{"title":"Oils \u0026 Lubricants","description":"\u003csection class=\"mm-oils-collection\"\u003e\n\u003cdiv class=\"mm-ol-hero\"\u003e\n\u003cdiv class=\"mm-ol-hero__content\"\u003e\n\u003cp class=\"mm-ol-eyebrow\"\u003eMarine Oils \u0026amp; Lubricants\u003c\/p\u003e\n\u003ch1\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eMarine Engine Oils, Gear Lube, Transmission Fluid \u0026amp; Grease\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"mm-ol-lead\"\u003eShop marine engine oil, transmission fluid, gear oil, hydraulic fluid, grease, oil filters, oil change pumps, corrosion protection fluids, and lubrication products for engine and drive-system maintenance.\u003c\/p\u003e\n\u003cdiv class=\"mm-ol-quick-actions\"\u003e\n\u003ca class=\"mm-ol-btn mm-ol-btn--primary\" href=\"https:\/\/marisolmarine.com\/collections\/oils-lubricants#mm-ol-products\"\u003eShop Oils \u0026amp; Lubricants\u003c\/a\u003e\n\u003ca class=\"mm-ol-btn\" href=\"https:\/\/marisolmarine.com\/search?q=Engine+Oil\"\u003eEngine Oil\u003c\/a\u003e\n\u003ca class=\"mm-ol-btn\" href=\"https:\/\/marisolmarine.com\/search?q=Gear+Oil\"\u003eGear Oil\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-guide-callout\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"mm-ol-guide-label\"\u003eFitment Check\u003c\/span\u003e\u003cp\u003eMatch oil type, viscosity, specification, engine model, drive type, transmission model, and service interval before ordering fluids.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca class=\"mm-ol-guide-link\" href=\"https:\/\/marisolmarine.com\/pages\/marisol-parts-desk\"\u003eAsk Parts Desk\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp class=\"mm-ol-fitment-note\"\u003eUse the oil, lubricant, and fluid specifications listed by the engine or drive manufacturer. Confirm viscosity, marine rating, capacity, filter match, and service procedure before maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv aria-label=\"Oils and lubricants quick links\" class=\"mm-ol-brand-strip\"\u003e\n\u003ca href=\"#quick\"\u003eQuick Shop\u003c\/a\u003e\u003ca href=\"#oem\"\u003eTop OEM\u003c\/a\u003e\u003ca href=\"#brands\"\u003eShop by Brand\u003c\/a\u003e\u003ca href=\"#fitment\"\u003eFitment\u003c\/a\u003e\u003ca href=\"#systems\"\u003eFluid Types\u003c\/a\u003e\u003ca href=\"#service\"\u003eService\u003c\/a\u003e\u003ca href=\"#faq\"\u003eFAQ\u003c\/a\u003e\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Oil+Change+Pump\"\u003eOil Change Pumps\u003c\/a\u003e\u003ca href=\"https:\/\/marisolmarine.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-oem-wrap\" id=\"oem\"\u003e\n\u003cp class=\"mm-ol-card-kicker\"\u003eTop OEM Oil \u0026amp; Lubricant Searches\u003c\/p\u003e\n\u003cdiv class=\"mm-ol-oem-grid\"\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Volvo+Penta+Oil\"\u003e\u003cstrong\u003eVolvo Penta\u003c\/strong\u003e\u003cspan\u003eEngine oil, drive lube, coolant additives, and service fluids\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Mercury+MerCruiser+Oil\"\u003e\u003cstrong\u003eMercury MerCruiser\u003c\/strong\u003e\u003cspan\u003eEngine oil, gear lube, DFI oil, and service fluids\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Yanmar+Oil\"\u003e\u003cstrong\u003eYanmar\u003c\/strong\u003e\u003cspan\u003eDiesel engine oil, transmission fluid, and filters\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Crusader+Oil\"\u003e\u003cstrong\u003eCrusader\u003c\/strong\u003e\u003cspan\u003eGas inboard oil and maintenance fluids\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Indmar+Oil\"\u003e\u003cstrong\u003eIndmar\u003c\/strong\u003e\u003cspan\u003eWatersports engine oil and service supplies\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=PCM+Oil\"\u003e\u003cstrong\u003ePCM\u003c\/strong\u003e\u003cspan\u003eInboard oil, filters, and lubricant support\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-brand-wrap\" id=\"brands\"\u003e\n\u003cp class=\"mm-ol-card-kicker\"\u003eShop Oils by Brand\u003c\/p\u003e\n\u003ch2\u003eMarine Oil, Lubricant, Filter \u0026amp; Service Brands\u003c\/h2\u003e\n\u003cp\u003eBrowse oil, lubricant, grease, fuel and oil filter, fluid-transfer, corrosion-protection, and service products by brand. Use the exact engine, drive, transmission, filter, or fluid specification before ordering.\u003c\/p\u003e\n\u003cdiv class=\"mm-ol-brand-grid\"\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=AMSOIL+Oil\"\u003e\u003cstrong\u003eAMSOIL\u003c\/strong\u003e\u003cspan\u003eSynthetic engine oil, 2-cycle oil, diesel oil, and marine lubricant searches\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Honda+Oil\"\u003e\u003cstrong\u003eHonda\u003c\/strong\u003e\u003cspan\u003eHonda Marine oil and outboard maintenance fluid searches\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Mercury+Oil\"\u003e\u003cstrong\u003eMercury\u003c\/strong\u003e\u003cspan\u003e4-stroke oil, DFI oil, gear lube, and outboard service fluids\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=MerCruiser+Oil\"\u003e\u003cstrong\u003eMerCruiser\u003c\/strong\u003e\u003cspan\u003eSterndrive oil, gear lube, synthetic oil, and service fluid searches\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Volvo+Penta+Oil\"\u003e\u003cstrong\u003eVolvo Penta\u003c\/strong\u003e\u003cspan\u003eOEM engine oil, diesel oil, anti-rust agents, and service fluids\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Yanmar+Oil\"\u003e\u003cstrong\u003eYanmar\u003c\/strong\u003e\u003cspan\u003eYanmar marine diesel engine oil and OEM lubricant searches\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Sierra+Oil\"\u003e\u003cstrong\u003eSierra\u003c\/strong\u003e\u003cspan\u003eMarine engine oil, oil filters, fuel filters, gear lube, and service parts\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=CRC+Lubricant\"\u003e\u003cstrong\u003eCRC\u003c\/strong\u003e\u003cspan\u003eLubricants, silicone spray, white lithium grease, cleaners, and protectants\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Racor+Filter\"\u003e\u003cstrong\u003eRacor\u003c\/strong\u003e\u003cspan\u003eFuel\/water separator filters, replacement elements, bowls, and service kits\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Seachoice+Oil\"\u003e\u003cstrong\u003eSeachoice\u003c\/strong\u003e\u003cspan\u003eFuel filters, oil-change tools, fluid-transfer pumps, and service accessories\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Panther+Oil+Extractor\"\u003e\u003cstrong\u003ePanther\u003c\/strong\u003e\u003cspan\u003eOil extractors and fluid-service tools for cleaner oil changes\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Trac+Outdoors+Oil+Extractor\"\u003e\u003cstrong\u003eTrac Outdoors\u003c\/strong\u003e\u003cspan\u003eFluid extractors and oil-change support tools\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Moeller+Fuel+Filter\"\u003e\u003cstrong\u003eMoeller\u003c\/strong\u003e\u003cspan\u003eFuel\/water separator bowls and related service parts\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Fairview+Fittings\"\u003e\u003cstrong\u003eFairview Fittings\u003c\/strong\u003e\u003cspan\u003ePipe fittings and fuel or oil service connection support\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=WSM+Oil+Filter\"\u003e\u003cstrong\u003eWSM Performance Parts\u003c\/strong\u003e\u003cspan\u003eFilter O-rings, maintenance parts, and engine-service support\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Lubricants\"\u003e\u003cstrong\u003eMarine Lubricants\u003c\/strong\u003e\u003cspan\u003eSynthetic gear oil, diesel oil, and general marine lubricant searches\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-nano-wrap\" id=\"quick\"\u003e\n\u003cp class=\"mm-ol-card-kicker\"\u003eOil \u0026amp; Lubricant Subcategories\u003c\/p\u003e\n\u003cdiv class=\"mm-ol-nano-grid\"\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Engine+Oil\"\u003e\u003cstrong\u003eEngine Oil\u003c\/strong\u003e\u003cspan\u003eFC-W, diesel, synthetic, and conventional oils\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=2+Stroke+Oil\"\u003e\u003cstrong\u003e2-Stroke Oil\u003c\/strong\u003e\u003cspan\u003eOutboard and DFI oil options\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Gear+Oil\"\u003e\u003cstrong\u003eGear Oil\u003c\/strong\u003e\u003cspan\u003eOutdrive, lower unit, and gearcase lubrication\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Transmission+Fluid\"\u003e\u003cstrong\u003eTransmission Fluid\u003c\/strong\u003e\u003cspan\u003eMarine gearbox and hydraulic drive fluids\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Hydraulic+Steering+Fluid\"\u003e\u003cstrong\u003eHydraulic Fluid\u003c\/strong\u003e\u003cspan\u003eSteering, trim, and hydraulic system fluids\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Grease\"\u003e\u003cstrong\u003eMarine Grease\u003c\/strong\u003e\u003cspan\u003eWater-resistant grease for fittings and hardware\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/collections\/oil-filters\"\u003e\u003cstrong\u003eOil Filters\u003c\/strong\u003e\u003cspan\u003eSpin-on and cartridge oil filter replacements\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Oil+Change+Pump\"\u003e\u003cstrong\u003eOil Change Pumps\u003c\/strong\u003e\u003cspan\u003eManual and electric oil extraction tools\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=Anti+Rust+Agent\"\u003e\u003cstrong\u003eAnti-Rust \u0026amp; Additives\u003c\/strong\u003e\u003cspan\u003eCorrosion protection and service additives\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-grid\" id=\"fitment\"\u003e\n\u003cdiv class=\"mm-ol-card mm-ol-card--category\"\u003e\n\u003cp class=\"mm-ol-card-kicker\"\u003eFitment\u003c\/p\u003e\n\u003ch2\u003eUse the Correct Specification, Not Just the Brand\u003c\/h2\u003e\n\u003cp\u003eMarine oils and fluids are selected by viscosity, certification, application, and equipment requirement. Check the engine manual, drive manual, transmission plate, or existing part number before mixing or replacing fluids.\u003c\/p\u003e\n\u003cdiv class=\"mm-ol-category-buttons\"\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/search?q=10W-30+Oil\"\u003e10W-30 Marine Oil\u003c\/a\u003e\u003ca href=\"https:\/\/marisolmarine.com\/search?q=15W-40+Oil\"\u003e15W-40 Marine Oil\u003c\/a\u003e\u003ca href=\"https:\/\/marisolmarine.com\/search?q=FC-W+Oil\"\u003eFC-W Oil\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-card mm-ol-card--why\"\u003e\n\u003cp class=\"mm-ol-card-kicker\"\u003eService\u003c\/p\u003e\n\u003ch2\u003eFluids Tell a Story\u003c\/h2\u003e\n\u003cp\u003eMilky oil, burnt smell, metal flakes, dark gear lube, low fluid level, or repeated contamination can point to leaks, water intrusion, overheating, wear, or improper service.\u003c\/p\u003e\n\u003cp class=\"mm-ol-mini-note\"\u003eRecord hours, date, oil type, filter part number, quantity, and observations at every oil or fluid change.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-info-grid\" id=\"systems\"\u003e\n\u003cdiv class=\"mm-ol-panel mm-ol-panel--search\"\u003e\n\u003cspan class=\"mm-ol-panel-icon\"\u003eOIL\u003c\/span\u003e\u003ch3\u003eEngine Oils\u003c\/h3\u003e\n\u003cp\u003eMarine gasoline, diesel, 2-stroke, synthetic, and OEM-approved oils help protect engines under load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-panel mm-ol-panel--fitment\"\u003e\n\u003cspan class=\"mm-ol-panel-icon\"\u003eDRV\u003c\/span\u003e\u003ch3\u003eDrive \u0026amp; Gear Fluids\u003c\/h3\u003e\n\u003cp\u003eGear lube, lower-unit oil, transmission fluid, and hydraulic fluid protect drives, gearboxes, trim, and steering systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-panel mm-ol-panel--shipping\"\u003e\n\u003cspan class=\"mm-ol-panel-icon\"\u003eGRS\u003c\/span\u003e\u003ch3\u003eGrease \u0026amp; Additives\u003c\/h3\u003e\n\u003cp\u003eMarine grease, anti-rust agents, corrosion inhibitors, and service additives support long-term maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-service-section\" id=\"service\"\u003e\n\u003cdiv class=\"mm-ol-service-copy\"\u003e\n\u003cp class=\"mm-ol-card-kicker\"\u003eMaintenance\u003c\/p\u003e\n\u003ch2\u003eBuild Oil Changes Around the Whole Service\u003c\/h2\u003e\n\u003cp\u003eA proper oil or fluid service includes filters, drain plugs, gaskets, pumps, absorbent pads, inspection, correct disposal, and a final leak check after running the engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-service-list\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eChange filters\u003c\/strong\u003e\u003cspan\u003eReplace oil filters and seals when changing oil unless the service manual says otherwise.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUse clean transfer tools\u003c\/strong\u003e\u003cspan\u003eKeep oil pumps, funnels, hoses, and containers clean to avoid contamination.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCheck for water\u003c\/strong\u003e\u003cspan\u003eMilky engine oil or gear lube can indicate water intrusion and should be investigated.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDispose properly\u003c\/strong\u003e\u003cspan\u003eUsed oil, filters, and absorbents should be handled as waste fluids according to local rules.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-faq-wrap\" id=\"faq\"\u003e\n\u003cp class=\"mm-ol-card-kicker\"\u003eFAQ\u003c\/p\u003e\n\u003ch2\u003eOils \u0026amp; Lubricants Questions\u003c\/h2\u003e\n\u003cdetails class=\"mm-ol-faq\"\u003e\u003csummary\u003eWhat oil should I use in my marine engine?\u003c\/summary\u003e\u003cp\u003eUse the viscosity and specification listed by the engine manufacturer. Marine gasoline engines often require NMMA FC-W oil, while marine diesels and OEM engines may call for specific diesel or OEM-approved oils.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"mm-ol-faq\"\u003e\u003csummary\u003eHow often should boat engine oil be changed?\u003c\/summary\u003e\u003cp\u003eFollow the engine manual. Many recreational engines are serviced annually or by engine hours, whichever comes first, and more often after contamination or severe use.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"mm-ol-faq\"\u003e\u003csummary\u003eIs gear oil the same as engine oil?\u003c\/summary\u003e\u003cp\u003eNo. Gear oil, lower unit lube, engine oil, transmission fluid, and hydraulic fluid are different products with different specifications. Use the correct fluid for the component.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails class=\"mm-ol-faq\"\u003e\u003csummary\u003eWhy is my gear oil milky?\u003c\/summary\u003e\u003cp\u003eMilky gear oil usually suggests water contamination. Inspect seals, drain plugs, gaskets, and pressure-test the drive or gearcase as recommended before refilling.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mm-ol-bottom-cta\"\u003e\n\u003cp class=\"mm-ol-eyebrow\"\u003eReady for Fluid Service?\u003c\/p\u003e\n\u003ch2\u003eShop Marine Engine Oil, Gear Lube, Transmission Fluid, Grease \u0026amp; Filters\u003c\/h2\u003e\n\u003cp\u003eSearch by engine brand, viscosity, OEM part number, oil type, fluid specification, filter part number, drive type, or maintenance task.\u003c\/p\u003e\n\u003cdiv class=\"mm-ol-quick-actions mm-ol-quick-actions--center\"\u003e\n\u003ca class=\"mm-ol-btn mm-ol-btn--primary\" href=\"https:\/\/marisolmarine.com\/collections\/oils-lubricants#mm-ol-products\"\u003eShop Oils \u0026amp; Lubricants\u003c\/a\u003e\u003ca class=\"mm-ol-btn\" href=\"https:\/\/marisolmarine.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003ca class=\"mm-ol-btn\" href=\"https:\/\/marisolmarine.com\/search?q=Oil+Change+Pump\"\u003eOil Change Pumps\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan id=\"mm-ol-products\" class=\"mm-ol-product-anchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What oil should I use in my marine engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Use the viscosity and specification listed by the engine manufacturer. Marine gasoline engines often require NMMA FC-W oil, while marine diesels and OEM engines may call for specific diesel or OEM-approved oils.\"}},{\"@type\":\"Question\",\"name\":\"How often should boat engine oil be changed?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Follow the engine manual. Many recreational engines are serviced annually or by engine hours, whichever comes first, and more often after contamination or severe use.\"}},{\"@type\":\"Question\",\"name\":\"Is gear oil the same as engine oil?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Gear oil, lower unit lube, engine oil, transmission fluid, and hydraulic fluid are different products with different specifications. Use the correct fluid for the component.\"}},{\"@type\":\"Question\",\"name\":\"Why is my gear oil milky?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Milky gear oil usually suggests water contamination. Inspect seals, drain plugs, gaskets, and pressure-test the drive or gearcase as recommended before refilling.\"}}]}\u003c\/script\u003e\n\u003c\/section\u003e\n\u003cstyle\u003e\n.mm-oils-collection{box-sizing:border-box;position:relative;left:50%;width:min(1200px,calc(100vw - 40px));max-width:min(1200px,calc(100vw - 40px));margin:0;transform:translateX(-50%);padding:24px 20px 38px;color:#172033;font-family:inherit;overflow:hidden}.mm-oils-collection *{box-sizing:border-box;letter-spacing:0}.mm-oils-collection a{color:inherit}.mm-ol-hero{position:relative;overflow:hidden;border-radius:22px;padding:36px 30px;color:#fff;background:radial-gradient(circle at top right,rgba(0,170,255,.26),transparent 32%),radial-gradient(circle at bottom left,rgba(130,208,247,.16),transparent 34%),linear-gradient(135deg,#0f172a 0%,#17365c 56%,#0b2744 100%);box-shadow:0 18px 42px rgba(15,23,42,.22)}.mm-ol-hero__content{position:relative;z-index:1;max-width:980px}.mm-ol-eyebrow,.mm-ol-card-kicker{margin:0 0 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Whether you're servicing an outboard lower unit, a stern drive gear case, or a marine transmission, this 75W90 formula delivers reliable protection against wear, corrosion, and water contamination — season after season.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity Grade:\u003c\/strong\u003e 75W90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Full Synthetic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI Service:\u003c\/strong\u003e GL-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 1 Qt\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOutboard motor lower units\u003c\/li\u003e\n\u003cli\u003eStern drive (I\/O) gear cases\u003c\/li\u003e\n\u003cli\u003eInboard marine transmissions\u003c\/li\u003e\n\u003cli\u003eV-drives and jet drives\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExtreme-pressure (EP) additives protect gears and bearings under heavy load\u003c\/li\u003e\n\u003cli\u003eExcellent water separation — resists emulsification in saltwater and freshwater environments\u003c\/li\u003e\n\u003cli\u003eEnhanced thermal stability maintains viscosity at high operating temperatures\u003c\/li\u003e\n\u003cli\u003eAnti-corrosion inhibitors protect metal surfaces during storage and off-season layup\u003c\/li\u003e\n\u003cli\u003eCompatible with most OEM synthetic gear lubricants\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Routine lower unit and gear case service on outboards and stern drives — especially where the OEM spec calls for a GL-5 75W90 synthetic. This is a solid value-tier choice for annual gear oil changes or post-season layup service. For brand-specific OEM lubricants, see the \u003ca href=\"\/products\/volvo-penta-transmission-oil-1141680\"\u003eVolvo Penta Transmission Oil 1141680\u003c\/a\u003e or \u003ca href=\"\/products\/volvo-penta-transmission-oil-1141676\"\u003eVolvo Penta 80W-90 GL-5 Gear Lube (1141676)\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eWhen changing gear oil, pair this with a \u003ca href=\"\/products\/west-1936\"\u003eLower Unit Gear Oil Pump with Adapter\u003c\/a\u003e for a clean, no-spill fill. For a complete kit including lube and pump, consider the \u003ca href=\"\/products\/sierra-hi-performance-gear-lube-pump-kit-qt\"\u003eSierra Hi-Performance Gear Lube \u0026amp; Pump Kit\u003c\/a\u003e.\u003c\/p\u003e","brand":"Marine Lubricants","offers":[{"title":"Default Title","offer_id":43206033702948,"sku":"AGMQTC","price":24.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/Premium_Synthetic_75W90_Gear_Oil.png?v=1769815373"},{"product_id":"syn-15w40-diesel-marine","title":"Synthetic 15W40 Diesel\/Marine Engine Oil - 1 Gallon","description":"\u003ch3\u003ePremium Synthetic 15W40 Diesel\/Marine Engine Oil - 1 Gallon\u003c\/h3\u003e\n\u003cp\u003eHigh-performance synthetic multi-grade engine oil specifically formulated for marine diesel engines. This advanced 15W40 oil delivers superior protection, extended drain intervals, and reliable performance in demanding marine environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Synthetic Formula\u003c\/strong\u003e - Advanced synthetic base oils for maximum protection and performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Grade Viscosity\u003c\/strong\u003e - 15W40 rating provides excellent flow in cold starts and protection at high temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Diesel Specific\u003c\/strong\u003e - Formulated for the unique demands of marine diesel engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Protection\u003c\/strong\u003e - Guards against wear, sludge, and deposits in high-load conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Drain Intervals\u003c\/strong\u003e - Synthetic formula lasts longer than conventional oils\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Stability\u003c\/strong\u003e - Resists breakdown under extreme heat and stress\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection\u003c\/strong\u003e - Protects internal engine components from saltwater corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e AME1GC\u003cbr\u003e\u003cstrong\u003eBarcode:\u003c\/strong\u003e AME1GC\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 1 Gallon\u003cbr\u003e\u003cstrong\u003eViscosity Grade:\u003c\/strong\u003e 15W40\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Full Synthetic\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Marine diesel engines (inboard, generator sets)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e Meets or exceeds API CJ-4, CI-4 PLUS, and ACEA E7 specifications. Suitable for turbocharged and naturally aspirated diesel engines.\u003c\/p\u003e\n\u003cp\u003eEssential maintenance oil for keeping your marine diesel running smoothly and reliably. Synthetic formulation provides superior protection compared to conventional oils, especially in high-load marine applications. Ideal for cruising vessels, commercial boats, and auxiliary generators. Gallon size is economical for larger engines and multiple oil changes.\u003c\/p\u003e","brand":"Marisol Marine Company","offers":[{"title":"Default Title","offer_id":43206033735716,"sku":"AME1GC","price":362.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/PremiumSynthetic15W40Oil-1Gallon.png?v=1769815159"},{"product_id":"syn-15w40-diesel-marine-1","title":"Synthetic 15W40 Marine Diesel Engine Oil AMEQTC","description":"\u003cp data-start=\"72\" data-end=\"574\"\u003eAMEQTC is a \u003cstrong data-start=\"110\" data-end=\"170\"\u003esynthetic 15W-40 heavy-duty diesel and marine engine oil\u003c\/strong\u003e designed for demanding diesel applications. AMSOIL describes this oil as suitable for marine engines as well as other heavy-duty diesel use, with a formula focused on \u003cstrong data-start=\"338\" data-end=\"408\"\u003ewear protection, deposit control, and resistance to heat breakdown\u003c\/strong\u003e. The AME product family is also described as having a \u003cstrong data-start=\"463\" data-end=\"481\"\u003ehigh TBN of 12\u003c\/strong\u003e to help control acids from combustion blow-by and EGR. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"576\" data-end=\"594\"\u003e\u003cstrong data-start=\"576\" data-end=\"592\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"595\" data-end=\"1018\"\u003e\n\u003cli data-start=\"595\" data-end=\"648\"\u003e\n\u003cstrong data-start=\"597\" data-end=\"617\"\u003eSynthetic 15W-40\u003c\/strong\u003e diesel and marine engine oil\u003c\/li\u003e\n\u003cli data-start=\"649\" data-end=\"711\"\u003eDesigned for \u003cstrong data-start=\"664\" data-end=\"709\"\u003eheavy-duty diesel and marine applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"712\" data-end=\"777\"\u003eHelps protect against \u003cstrong data-start=\"736\" data-end=\"775\"\u003ewear, soot, deposits, and oxidation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"848\"\u003eBuilt for strong performance in \u003cstrong data-start=\"812\" data-end=\"846\"\u003ehigh-heat operating conditions\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"849\" data-end=\"915\"\u003eProduct family is described with a \u003cstrong data-start=\"886\" data-end=\"896\"\u003e12 TBN\u003c\/strong\u003e for acid control\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"1018\"\u003e\n\u003cstrong data-start=\"918\" data-end=\"928\"\u003eAMEQTC\u003c\/strong\u003e is the quart-size product code within the AME line. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1020\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1020\" data-end=\"1041\"\u003eApplication Notes\u003c\/strong\u003e\u003cbr data-start=\"1041\" data-end=\"1044\"\u003eThis oil is marketed for a wide variety of \u003cstrong data-start=\"1087\" data-end=\"1116\"\u003ediesel and marine engines\u003c\/strong\u003e, especially where a \u003cstrong data-start=\"1137\" data-end=\"1169\"\u003e15W-40 heavy-duty diesel oil\u003c\/strong\u003e is specified. As always, confirm the correct oil grade and specification against the engine manufacturer’s manual before use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1335\" data-end=\"1652\"\u003e\u003cstrong data-start=\"1335\" data-end=\"1357\"\u003eParts Desk Insight\u003c\/strong\u003e\u003cbr data-start=\"1357\" data-end=\"1360\"\u003eThis is a solid option when you want a \u003cstrong data-start=\"1399\" data-end=\"1437\"\u003esynthetic 15W-40 marine diesel oil\u003c\/strong\u003e with broader heavy-duty diesel coverage as well. The main selling point is its combination of \u003cstrong data-start=\"1532\" data-end=\"1613\"\u003emarine-duty protection, synthetic stability, and strong deposit-control focus\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1654\" data-end=\"1719\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"Marisol Marine Company","offers":[{"title":"Default Title","offer_id":43206033768484,"sku":"AMEQTC","price":24.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/ameqtc.jpg?v=1775699372"},{"product_id":"outboard-two-cycle","title":"Outboard Two-Cycle Oil - Premium 2-Stroke Engine Oil","description":"\u003ch3\u003ePremium Outboard Two-Cycle Engine Oil\u003c\/h3\u003e\n\u003cp\u003eHigh-quality 2-stroke oil formulated specifically for outboard marine engines. This premium two-cycle oil provides superior lubrication and protection for your outboard motor while reducing smoke and carbon deposits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Specific Formula\u003c\/strong\u003e - Designed for the unique demands of outboard 2-stroke engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Lubrication\u003c\/strong\u003e - Protects pistons, rings, and cylinder walls from wear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Burning\u003c\/strong\u003e - Reduces exhaust smoke and spark plug fouling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Deposits\u003c\/strong\u003e - Minimizes carbon buildup in combustion chamber and exhaust ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection\u003c\/strong\u003e - Guards against saltwater corrosion in marine environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e - Works with all 2-cycle outboard motors (check manufacturer specs for mixing ratio)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e ATOBC\u003cbr\u003e\u003cstrong\u003eBarcode:\u003c\/strong\u003e ATOBC\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e 2-stroke outboard motors\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMixing Instructions:\u003c\/strong\u003e Follow your outboard manufacturer's recommended fuel-to-oil ratio (typically 50:1 or 100:1). Mix thoroughly before adding to fuel tank. Use fresh, clean gasoline for best results.\u003c\/p\u003e\n\u003cp\u003eEssential maintenance product for keeping your outboard running smoothly and reliably. Regular use of quality 2-cycle oil extends engine life and maintains peak performance on the water.\u003c\/p\u003e","brand":"Marisol Marine Company","offers":[{"title":"Default Title","offer_id":43206033834020,"sku":"ATOBC","price":22.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/PremiumOutboardTwo-CycleEngineOil.png?v=1769810947"},{"product_id":"diesel-cetane-boost","title":"Diesel Cetane Boost - Premium Fuel Additive for Marine Diesel Engines","description":"\u003ch3\u003ePremium Diesel Cetane Booster for Marine Engines\u003c\/h3\u003e\u003cp\u003eEnhance your marine diesel engine's performance with our premium cetane booster fuel additive. Formulated specifically for marine diesel applications, this advanced fuel treatment improves combustion efficiency, enhances cold-start performance, and maintains optimal engine operation in all conditions.\u003c\/p\u003e\u003ch4\u003eKey Benefits:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Cetane Rating\u003c\/strong\u003e - Boosts cetane number for better combustion and smoother engine operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Cold Starts\u003c\/strong\u003e - Improves cold-weather starting performance and reduces white smoke on startup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter Fuel Economy\u003c\/strong\u003e - More complete combustion leads to improved fuel efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Emissions\u003c\/strong\u003e - Cleaner combustion reduces smoke, particulates, and harmful emissions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjector Cleaning\u003c\/strong\u003e - Cleans and protects fuel injectors from deposits and varnish buildup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Power\u003c\/strong\u003e - Optimized combustion delivers better throttle response and power output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Engine Noise\u003c\/strong\u003e - Higher cetane reduces diesel knock and engine noise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel System Protection\u003c\/strong\u003e - Lubricates fuel pumps and injectors, preventing wear and corrosion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Dispersant\u003c\/strong\u003e - Helps disperse water contamination in fuel systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Stability\u003c\/strong\u003e - Prevents fuel degradation during extended storage periods\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e Essential fuel additive for marine diesel engines including sailboat auxiliaries, trawler engines, commercial fishing vessels, workboats, and all diesel-powered marine applications. Particularly beneficial for engines operating in cold climates, using lower-quality fuel, or experiencing hard starting issues.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow It Works:\u003c\/strong\u003e Cetane number is to diesel fuel what octane is to gasoline - it measures ignition quality. Higher cetane numbers result in shorter ignition delay, more complete combustion, and smoother engine operation. This cetane booster raises the cetane rating of diesel fuel, improving combustion characteristics and overall engine performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePerformance Improvements:\u003c\/strong\u003e Expect easier cold starts, reduced white smoke on startup, quieter engine operation, improved throttle response, better fuel economy, and reduced emissions. Particularly noticeable in older engines or when using lower-quality diesel fuel.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInjector Cleaning:\u003c\/strong\u003e The advanced detergent package cleans existing deposits from fuel injectors and prevents new deposit formation. Clean injectors ensure proper fuel atomization, complete combustion, and optimal engine performance. Essential for maintaining modern high-pressure common-rail diesel systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFuel System Protection:\u003c\/strong\u003e Provides lubrication for fuel pumps and injectors, critical for modern ultra-low sulfur diesel (ULSD) which has reduced natural lubricity. Prevents wear and corrosion in fuel system components, extending service life and preventing costly repairs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCold Weather Performance:\u003c\/strong\u003e Significantly improves cold-start performance by reducing ignition delay. Essential for engines operating in cold climates or stored in unheated locations. Reduces the cranking time needed for cold starts and minimizes white smoke during warm-up.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEmissions Reduction:\u003c\/strong\u003e Cleaner, more complete combustion reduces particulate matter, smoke, and harmful emissions. Important for environmental compliance and reducing visible smoke that can be problematic in marinas and harbors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDosage:\u003c\/strong\u003e Follow manufacturer's recommended dosage rates based on fuel tank capacity. Typically added at each refueling for continuous protection and performance benefits. Safe for use with all diesel engines and compatible with biodiesel blends.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStorage:\u003c\/strong\u003e Store in cool, dry location away from direct sunlight. Keep container tightly closed when not in use. Follow all safety precautions on product label.\u003c\/p\u003e\u003cp\u003eTrust in premium marine fuel additives that deliver measurable performance improvements, protect your investment, and ensure reliable diesel engine operation in all conditions.\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43206033866788,"sku":"CCBCN","price":14.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/DieselCetaneBoost.png?v=1769810747"},{"product_id":"amsoil-dominator-2cyl","title":"AMSOIL Dominator 2-Cycle Racing Oil - Quart","description":"\u003ch3\u003eAMSOIL Dominator 2-Cycle Racing Oil\u003c\/h3\u003e\u003cp\u003ePremium synthetic 2-stroke racing oil engineered for maximum performance in high-RPM marine engines. AMSOIL Dominator delivers superior protection and power for outboards, personal watercraft, and high-performance 2-cycle marine engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic Formula\u003c\/strong\u003e - Advanced synthetic base oils for maximum lubrication and protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance\u003c\/strong\u003e - Designed for racing and high-output 2-stroke engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Burning\u003c\/strong\u003e - Reduces carbon deposits, exhaust smoke, and spark plug fouling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Protection\u003c\/strong\u003e - Prevents piston scuffing and ring sticking in extreme conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Mixing\u003c\/strong\u003e - Compatible with various fuel-to-oil ratios (check manufacturer specs)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e TDR-QT\u003cbr\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e TDR-QT\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 1 Quart\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e 2-cycle outboard motors, PWC, and high-performance marine engines\u003c\/p\u003e\u003cp\u003eMaximize power output and engine life with AMSOIL's race-proven 2-stroke oil. Ideal for competitive racing, high-speed boating, and demanding marine applications where performance and reliability are critical.\u003c\/p\u003e","brand":"Marisol Marine Company","offers":[{"title":"Default Title","offer_id":43206033899556,"sku":"TDR-QT","price":21.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/AMSOILDominator2CycleRacingOil.png?v=1769810588"},{"product_id":"shell-rotella-t1-sae-40-diesel-engine-oil-5l-550054467","title":"Shell Rotella T1 SAE 40 Diesel Engine Oil 5L | 550054467","description":"\u003ch2\u003eShell Rotella T1 SAE 40 Diesel Engine Oil — 5L\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 550054467 (Shell Rotella)\u003c\/p\u003e\n\u003cp\u003eShell Rotella T1 SAE 40 is a straight-grade heavy-duty engine oil for diesel and mixed-fleet applications where an SAE 40 monograde oil is specified. It meets \u003cstrong\u003eAPI CF\/SL\u003c\/strong\u003e performance standards and is formulated to protect against wear, deposits, and oil thickening under sustained heavy-duty service. The 5L container suits scheduled oil changes on marine auxiliary engines, generators, industrial engines, and older diesel equipment.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity grade:\u003c\/strong\u003e SAE 40 (straight-grade \/ monograde)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI rating:\u003c\/strong\u003e CF\/SL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContainer size:\u003c\/strong\u003e 5L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 550054467\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIntended Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOlder diesel engines specifying SAE 40 monograde oil\u003c\/li\u003e\n\u003cli\u003eMarine auxiliary engines and generators where a straight-grade oil is required\u003c\/li\u003e\n\u003cli\u003eIndustrial engines and equipment with API CF\/SL oil requirements\u003c\/li\u003e\n\u003cli\u003eMixed-fleet equipment where SAE 40 monograde is the manufacturer-specified viscosity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment \/ Application Notice\u003c\/h3\u003e\n\u003cp\u003eAlways confirm the required oil viscosity grade and API specification in the engine or equipment service manual before use. \u003cstrong\u003eDo not substitute SAE 40 monograde oil for a multi-grade oil\u003c\/strong\u003e (such as 15W-40) unless the manufacturer explicitly allows the interchange. Modern engines designed for multi-grade oils are not well served by a straight-grade monograde.\u003c\/p\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eFollow the engine or equipment manufacturer’s recommended oil change interval. For marine engines and generators, annual service or service by hours (whichever comes first) is the most common schedule. Always replace the oil filter at each oil change where a filter is fitted.\u003c\/p\u003e\n\n\u003ch3\u003eOil Change Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWarm the engine before draining to improve oil flow and help suspend contaminants\u003c\/li\u003e\n\u003cli\u003eDrain fully and allow time for oil to clear before refilling\u003c\/li\u003e\n\u003cli\u003eReplace the oil filter at each change where one is fitted\u003c\/li\u003e\n\u003cli\u003eFill only to the manufacturer’s specified capacity — overfilling can cause foaming and seal damage\u003c\/li\u003e\n\u003cli\u003eRun the engine briefly after refilling, then shut down and recheck the level\u003c\/li\u003e\n\u003cli\u003eDispose of used oil responsibly at an approved recycling facility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11120080715812\"\u003eShell Rotella T1 SAE 30 Diesel Engine Oil, 5L — 550054460\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11120080453668\"\u003eShell Rotella T4 Triple Protection 15W-40, 9.5L — Case of 2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11120080519204\"\u003eShell Rotella T4 Triple Protection 15W-40, 5L — Case of 3\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11120080551972\"\u003eShell Rotella T4 Triple Protection 15W-40, 208.2L (Drum)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11120080683044\"\u003eShell Rotella T4 Triple Protection 15W-40, 946mL — Case of 6\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11120080584740\"\u003eShell Rotella T6 Full Synthetic 5W-40, 5L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/11120080650276\"\u003eShell Rotella T6 Full Synthetic 5W-40, 18.9L — 550046217\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003eRotella T1 SAE 40 is the right choice for older diesel engines — particularly marine auxiliary engines, generators, and industrial equipment — where the manufacturer specifically calls for a straight-grade SAE 40 oil and an API CF\/SL rating. It is commonly used during seasonal recommissioning and annual service on legacy diesel installations.\u003c\/p\u003e\n\u003cp\u003eThe most common issue is customers ordering a monograde oil when their engine actually requires a multi-grade such as 15W-40. Always check the engine service manual for the viscosity and API specification — the two are not interchangeable. If the manual calls for SAE 40 straight-grade, this is the correct product. If it calls for 15W-40, see the \u003ca href=\"\/products\/11120080453668\"\u003eShell Rotella T4 15W-40\u003c\/a\u003e range instead.\u003c\/p\u003e","brand":"BTB","offers":[{"title":"Default Title","offer_id":43563780112420,"sku":"550054467","price":50.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/shopping_e8ea1628-604e-4282-8a06-38d08da31cdf.webp?v=1778778953"},{"product_id":"fairview-31","title":"Kleen-Flo Kleen-Stor Engine Storage \u0026 Fogging Oil 340g - 789","description":"\u003cp\u003eThe \u003cstrong\u003eKleen-Flo Kleen-Stor Engine Storage \u0026amp; Fogging Oil 789\u003c\/strong\u003e is an aerosol engine storage spray designed to help protect internal engine components during seasonal layup or long-term storage. It leaves a protective oil film on cylinder walls, pistons, rings, valves, and combustion chamber surfaces to help reduce rust, oxidation, moisture damage, and sticking during periods of inactivity.\u003c\/p\u003e\n\u003cp\u003eThis product is suitable for winterizing marine engines, outboards, personal watercraft, snowmobiles, lawn equipment, chainsaws, generators, and other stored gasoline or diesel internal combustion engines where fogging oil is recommended by the equipment manufacturer.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eKleen-Flo Kleen-Stor engine storage and fogging oil.\u003c\/li\u003e\n\u003cli\u003ePart number \/ SKU: \u003cstrong\u003e789\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCommon catalog reference: \u003cstrong\u003eLordco 177789\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eContainer size: \u003cstrong\u003e340 g \/ 12 oz aerosol\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSolvent-based lubricant formulation.\u003c\/li\u003e\n\u003cli\u003eHelps protect internal engine parts during storage.\u003c\/li\u003e\n\u003cli\u003eLeaves a corrosion-resistant protective coating.\u003c\/li\u003e\n\u003cli\u003eHelps reduce cylinder wall rust, ring sticking, valve corrosion, and moisture-related oxidation.\u003c\/li\u003e\n\u003cli\u003eSuitable for many 2-stroke, 4-stroke, gas, and diesel engine storage applications where fogging oil is specified.\u003c\/li\u003e\n\u003cli\u003eDesigned for seasonal winterization, long-term storage, and recommissioning preparation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCommon use cases include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOutboard marine engines.\u003c\/li\u003e\n\u003cli\u003eSterndrive and inboard gasoline engines where fogging is recommended.\u003c\/li\u003e\n\u003cli\u003ePersonal watercraft and jet skis.\u003c\/li\u003e\n\u003cli\u003eSnowmobiles.\u003c\/li\u003e\n\u003cli\u003eLawn mowers and seasonal power equipment.\u003c\/li\u003e\n\u003cli\u003eChainsaws and small 2-stroke equipment.\u003c\/li\u003e\n\u003cli\u003eGenerators and utility engines.\u003c\/li\u003e\n\u003cli\u003eStored gas or diesel internal combustion engines where the service manual allows fogging oil use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse this product only where the engine manufacturer's storage procedure allows fogging oil or cylinder storage oil.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment \/ Use Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConfirm the correct storage procedure for the exact engine before use. Some modern EFI, direct-injection, catalyst-equipped, or sensor-heavy engines may have manufacturer-specific fogging procedures that differ from older carbureted engines. Follow the service manual for the engine type, fuel system, and emissions equipment.\u003c\/p\u003e\n\u003cp\u003eDo not spray into hot exhaust components, electrical sparks, open flames, or enclosed areas without ventilation. Aerosol fogging oils are flammable and should be handled according to the label and safety data sheet.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Product Is Used\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUse fogging oil during seasonal storage, winterization, long-term layup, or whenever an engine will sit unused long enough for moisture and internal corrosion to become a concern. It is especially useful for marine and outdoor power equipment exposed to humidity, salt air, condensation, or long off-season storage.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor carbureted engines, the typical storage method is to run the engine at a warm idle and spray fogging oil into the carburetor or intake according to the equipment manufacturer's procedure until the engine begins to smoke heavily or stalls. Shut the engine down safely.\u003c\/p\u003e\n\u003cp\u003eFor cylinder protection, remove the spark plugs, spray fogging oil into each cylinder, and rotate or crank the engine briefly with ignition disabled to distribute the oil film across the cylinder walls and piston rings. Reinstall the spark plugs after fogging.\u003c\/p\u003e\n\u003cp\u003eAlways follow the engine manufacturer's storage instructions, especially on EFI, 2-stroke oil-injection, diesel, and catalyst-equipped engines.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eStorage \u0026amp; Safety Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eStore the aerosol can in a cool, dry location away from heat, sparks, flame, and direct sunlight. Keep the cap on when not in use. Do not puncture, burn, or expose the container to high heat. Use with adequate ventilation and wear appropriate eye and hand protection during application.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate \/ Cross-Reference Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKleen-Flo 789\u003c\/strong\u003e — manufacturer part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKleen-Stor 789\u003c\/strong\u003e — common product reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLordco 177789\u003c\/strong\u003e — catalog reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e340 g \/ 12 oz aerosol\u003c\/strong\u003e — package size reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFogging oil is a simple but important storage product for engines that sit through winter or long periods of inactivity. The goal is to coat internal metal surfaces before moisture can settle in the cylinders. For best results, combine fogging with fresh stabilized fuel, proper oil service, cooling-system winterization, and battery\/storage maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"FVW","offers":[{"title":"Default Title","offer_id":43563793580068,"sku":"789","price":18.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/fb94432e-f679-4722-8587-d325b6402e4a.png?v=1781634424"},{"product_id":"amsoil-15w40-heavy-duty-diesel-marine-oil-ame1gc-378l","title":"AMSOIL 15W-40 Heavy-Duty Diesel \u0026 Marine Oil AME1GC | 3.78 L","description":"\u003ch2\u003eAMSOIL 15W-40 Heavy-Duty Diesel \u0026amp; Marine Oil | AME1GC | 3.78 L\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eAME1GC (retail unit: AME1GC-EA)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eAMSOIL\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eOfficial Product Type\u003c\/th\u003e\n\u003ctd\u003eSynthetic Heavy-Duty Diesel \u0026amp; Marine Engine Oil\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eViscosity\u003c\/th\u003e\n\u003ctd\u003eSAE 15W-40\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eOil Type\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eTBN\u003c\/th\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eAPI Rating\u003c\/th\u003e\n\u003ctd\u003eCI-4+ and prior specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eContainer Size\u003c\/th\u003e\n\u003ctd\u003e3.78 L \/ 1 U.S. gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003ctd\u003eEngine Lubrication — Heavy-Duty Diesel \u0026amp; Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eSupersedes\u003c\/th\u003e\n\u003ctd\u003eRefer to AMSOIL product documentation for supersession history\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eReplaced By\u003c\/th\u003e\n\u003ctd\u003eVerify current formulation status at time of order\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eAMSOIL AME1GC is a synthetic SAE 15W-40 heavy-duty diesel and marine engine oil formulated for high-load, high-temperature diesel applications. Its 12 TBN detergent package helps neutralize acids from combustion and EGR blow-by, while the synthetic base resists heat-related breakdown and viscosity loss. It is rated for API CI-4+ and earlier diesel-oil specifications, making it a strong match for older marine diesel engines that benefit from high-detergent, soot-controlling formulations. Always verify the engine manufacturer’s required oil specification before selecting an oil.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMarine diesel engines specifying SAE 15W-40 and API CI-4+ or earlier diesel-oil categories\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty commercial diesel engines\u003c\/li\u003e\n  \u003cli\u003eOff-highway diesel equipment\u003c\/li\u003e\n  \u003cli\u003eOlder diesel engines with high soot and wear requirements\u003c\/li\u003e\n  \u003cli\u003eHigh-load, high-temperature diesel applications\u003c\/li\u003e\n  \u003cli\u003eExtended-drain capable applications where supported by the engine manufacturer and oil analysis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e For engines fitted with modern diesel particulate filters (DPF) or low-SAPS emissions systems, follow the engine manufacturer’s required oil specification — not viscosity alone — when selecting engine oil.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e12 TBN for acid neutralization from combustion and EGR blow-by\u003c\/li\u003e\n  \u003cli\u003eStrong soot-dispersing capability — resists viscosity increase from soot loading\u003c\/li\u003e\n  \u003cli\u003eProtection against cylinder-bore wear and polishing\u003c\/li\u003e\n  \u003cli\u003eControls varnish, sludge, and deposit formation\u003c\/li\u003e\n  \u003cli\u003eResists oil oxidation and thermal breakdown at high operating temperatures\u003c\/li\u003e\n  \u003cli\u003eReduced oil consumption in high-load service\u003c\/li\u003e\n  \u003cli\u003eImproved cold-weather startup protection versus conventional heavy-duty oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSize Options — Same Formulation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/marisolmarine.com\/products\/syn-15w40-diesel-marine-1\"\u003eAMSOIL AME1GC 15W-40 Heavy-Duty Diesel \u0026amp; Marine Oil — 946 mL \/ 1 Qt (AMEQTC)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eAME1GC — 3.78 L \/ 1 Gallon (this listing)\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003eAMETPC — 9.46 L (contact us for availability)\u003c\/li\u003e\n  \u003cli\u003eAME55 — 208 L drum (contact us for availability)\u003c\/li\u003e\n  \u003cli\u003eAME27 — 1041 L tote (contact us for availability)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eChange engine oil according to the engine manufacturer’s specified interval or hours of operation. Extended drain intervals should only be used where supported by the engine manufacturer, oil-analysis results, or AMSOIL service guidance. Change the oil filter at every oil change as specified.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow the engine manufacturer’s required change interval or hour-based service schedule\u003c\/li\u003e\n  \u003cli\u003eReduce interval in severe service, high-soot, or fuel-dilution conditions\u003c\/li\u003e\n  \u003cli\u003eFollow annual lay-up or seasonal service requirements for marine engines\u003c\/li\u003e\n  \u003cli\u003eConsider oil analysis to confirm extended-drain suitability for your application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eService Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace the engine oil filter at every oil change\u003c\/li\u003e\n  \u003cli\u003eVerify crankcase capacity before service — do not overfill\u003c\/li\u003e\n  \u003cli\u003eAvoid mixing with unknown or contaminated oils\u003c\/li\u003e\n  \u003cli\u003eInspect for leaks after refill and check oil pressure at startup\u003c\/li\u003e\n  \u003cli\u003eRecheck oil level after the engine has fully circulated the new oil\u003c\/li\u003e\n  \u003cli\u003eConfirm the required API category and viscosity match your engine manufacturer’s specification before use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/marisolmarine.com\/products\/syn-15w40-diesel-marine-1\"\u003eAMSOIL AMEQTC — 15W-40 Heavy-Duty Diesel \u0026amp; Marine Oil, 946 mL \/ 1 Qt\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/marisolmarine.com\/products\/amsoil-oil-filter-asf-25\"\u003eAMSOIL Oil Filter ASF-25\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/products\/volvo-penta-vds-4-5-15w-40-diesel-engine-oil-5-gallon-23219264\"\u003eVolvo Penta VDS-4.5 15W-40 Diesel Engine Oil — 5 Gallon (23219264)\u003c\/a\u003e (OEM alternative for Volvo Penta diesel applications)\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/marisolmarine.com\/products\/yanmar-15w-40-marine-engine-oil-1-gallon\"\u003eYanmar 15W-40 Marine Engine Oil — 1 Gallon\u003c\/a\u003e (OEM alternative for Yanmar diesel applications)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cdl\u003e\n  \u003cdt\u003eWhat engines is AME1GC designed for?\u003c\/dt\u003e\n  \u003cdd\u003eAME1GC is formulated for heavy-duty diesel and marine diesel engines that specify SAE 15W-40 viscosity and an API CI-4+ or earlier diesel-oil category. It is particularly well suited to older marine diesels, commercial engines, and high-load applications where strong soot control and high TBN are priorities.\u003c\/dd\u003e\n\n  \u003cdt\u003eCan I use AME1GC in a modern diesel with a DPF?\u003c\/dt\u003e\n  \u003cdd\u003eNot without verifying the engine manufacturer’s specific oil requirements. Modern DPF-equipped engines typically require low-SAPS oils meeting API CJ-4 or later specifications. Always match the oil to the engine manufacturer’s required specification, not just the viscosity.\u003c\/dd\u003e\n\n  \u003cdt\u003eWhat is TBN and why does it matter?\u003c\/dt\u003e\n  \u003cdd\u003eTBN (Total Base Number) measures an oil’s ability to neutralize acids produced during combustion. A 12 TBN is relatively high for a 15W-40 diesel oil, which makes AME1GC a strong choice for engines that generate significant combustion blow-by or run EGR systems that increase acid load on the oil.\u003c\/dd\u003e\n\n  \u003cdt\u003eWhat is the difference between AME1GC and AMEQTC?\u003c\/dt\u003e\n  \u003cdd\u003eSame formulation — same oil, same viscosity, same API rating. AME1GC is the 3.78 L \/ 1 gallon jug; AMEQTC is the 946 mL \/ 1 quart size. Choose the size that suits your service quantity and storage needs.\u003c\/dd\u003e\n\n  \u003cdt\u003eCan I extend my oil change interval with AME1GC?\u003c\/dt\u003e\n  \u003cdd\u003eExtended drain intervals are only recommended where supported by the engine manufacturer, oil-analysis results, or AMSOIL’s specific service guidance for your application. Do not extend drain intervals without confirming the engine manufacturer allows it and that oil condition supports it.\u003c\/dd\u003e\n\n  \u003cdt\u003eWhich oil filter should I use with AME1GC?\u003c\/dt\u003e\n  \u003cdd\u003eUse the oil filter specified by your engine manufacturer. The \u003ca href=\"https:\/\/marisolmarine.com\/products\/amsoil-oil-filter-asf-25\"\u003eAMSOIL ASF-25 oil filter\u003c\/a\u003e is available in-store for compatible applications — confirm the correct filter for your specific engine before ordering.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003chr\u003e\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e AME1GC is the right choice for older marine diesel engines — think Yanmar, Cummins, Detroit Diesel, or older Volvo Penta diesels — where the engine manual calls for 15W-40 and an API CI-4+ or earlier category. The high TBN and synthetic formulation make it a step up from conventional heavy-duty diesel oils in the same viscosity class, particularly for engines running extended hours between service, or in boats that see infrequent seasonal use where oil degradation matters. It’s also a cost-effective option for customers who want a premium synthetic at a lower price than OEM-branded lubricants.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon customer questions:\u003c\/strong\u003e The most frequent issue is customers assuming any 15W-40 diesel oil will work in their engine, including modern DPF-equipped engines. Always confirm the engine’s required API category before completing the order — AME1GC is a CI-4+ oil, not a CJ-4 or CK-4 low-SAPS oil. The second common question is about drain intervals — customers ask if they can run it longer than the OEM interval. The answer is “only with oil analysis or explicit AMSOIL guidance for their application”, not simply because it’s synthetic. Also confirm the correct filter for their engine if they are ordering oil and filter together.\u003c\/p\u003e","brand":"FVW","offers":[{"title":"Default Title","offer_id":43563794989092,"sku":"ame1gc","price":362.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/images_45c73ded-2360-4225-aad9-c934c2de54f2.jpg?v=1788742424"},{"product_id":"honda-marine-10w-30-nmma-oil-08207-10w30fcw","title":"Honda - Marine 10W-30 NMMA Oil - 08207-10W30FCW","description":"\u003cp\u003e\u003cstrong\u003eHonda Marine 10W-30 FC-W Engine Oil\u003c\/strong\u003e is formulated for Honda marine engines and approved to meet the \u003cstrong\u003eNMMA FC-W\u003c\/strong\u003e marine oil standard. It is tested by Honda Research and Development and certified for use in Honda marine engines, meeting Honda service and warranty requirements.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e10W-30 marine engine oil\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNMMA FC-W approved\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCertified for use in Honda marine engines\u003c\/li\u003e\n\u003cli\u003eIncreased rust and oxidation inhibitors for marine corrosion protection\u003c\/li\u003e\n\u003cli\u003eShear-stable polymers help resist viscosity breakdown under high RPM and heavy load\u003c\/li\u003e\n\u003cli\u003eAnti-foaming protection for high-RPM marine operation\u003c\/li\u003e\n\u003cli\u003eHigh Temperature High Shear viscosity performance for viscosity retention\u003c\/li\u003e\n\u003cli\u003eAdded anti-wear protection for bearings and internal engine components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eRecommended for Honda marine engines that specify \u003cstrong\u003e10W-30 FC-W marine engine oil\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAlways confirm the correct oil grade and capacity using your Honda outboard owner's manual or service manual. Oil requirements can vary by model, year, and operating conditions.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Oil Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace during scheduled oil changes, seasonal service, after extended storage, or whenever the oil is contaminated, diluted, or past the recommended service interval.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWarm the engine before draining oil, replace the oil filter when required, refill with the correct amount of oil, then run the engine and re-check the final oil level after it settles.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUse the exact Honda oil part number or bottle size required for the listing when available.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eMarine engines work harder than automotive engines at sustained RPM and load. FC-W marine oil is built for that environment, with corrosion protection, anti-foam performance, and viscosity stability that standard automotive oil may not provide.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"HON","offers":[{"title":"Default Title","offer_id":43563814387748,"sku":"08207-10W30FCW","price":18.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/gln1_1.webp?v=1779046640"},{"product_id":"sierra-47-78761-marine-oil-filter-gm-chev-long","title":"Sierra \/ Marine Oil Filter GM Chevrolet Long Style \/ 47-78761","description":"\u003ch2\u003eMarine Oil Filter for GM\/Chevrolet Engines — Long Style\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSierra 47-78761\u003c\/strong\u003e is a long-style marine oil filter for GM and Chevrolet-based marine engines commonly found in MerCruiser sterndrives and inboard applications. The long-style configuration provides increased filter media surface area for extended filtration capacity, and is specified where engine bay clearance allows for the longer housing.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e GM and Chevrolet-based marine engines — long style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Style:\u003c\/strong\u003e Long — greater filter media area vs. short style; use where clearance permits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Grade Construction:\u003c\/strong\u003e Built to withstand the vibration, heat cycles, and extended run times typical of marine engine use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Designed as a service replacement for compatible GM\/Chevrolet-based marine engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Notice\u003c\/h2\u003e\u003cp\u003eConfirm fitment by engine make, model, year, and displacement before ordering. GM and Chevrolet-based marine engines are used across multiple sterndrive and inboard platforms. Verify the correct filter thread size, bypass valve rating, and anti-drainback valve requirement for your specific engine. Confirm whether your installation requires the long or short style before ordering.\u003c\/p\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eDrain the engine oil fully before replacing the filter. Lightly lubricate the filter gasket with clean engine oil before installation. Tighten hand-tight plus 3\/4 turn, or to the torque specification in your engine service manual. Do not over-tighten. Check for leaks after the first start and verify oil pressure is within the normal operating range.\u003c\/p\u003e\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\u003cp\u003eSKU \u003cstrong\u003e47-78761\u003c\/strong\u003e is a Sierra marine oil filter under the Sierra brand, long-style configuration for GM\/Chevrolet marine engines. Compare against the short-style Sierra filter (47-78242) — the long style is preferred where clearance allows, as the additional filter media can extend service intervals. GM-block engines appear across MerCruiser, OMC, and some Volvo Penta applications; verify the specific platform and engine code.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":43563827822628,"sku":"47-78761","price":19.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/7f8b1de9-13bd-4dde-b2e1-541a8596095c.png?v=1783361786"},{"product_id":"merc-769","title":"Mercury Quicksilver High Performance Gear Lube 5 Gallon 858008K01","description":"\u003cp\u003eMercury Quicksilver High Performance Gear Lube 858008K01 (8M0222055) is a genuine OEM \u003cstrong\u003ehigh performance gear lubricant\u003c\/strong\u003e formulated specifically for Mercury MerCruiser sterndrives, Mercury and Mariner outboard gearcases, and Bravo drive applications. This 5 US gallon (18.9 L) pail is the bulk service size for marine dealers, service centres, and high-volume operators.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Quicksilver OEM gear lube — factory-specified formulation.\u003c\/li\u003e\n\u003cli\u003ePart number \u003cstrong\u003e858008K01\u003c\/strong\u003e, current reference \u003cstrong\u003e8M0222055\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e5 US gallon (18.9 L) bulk pail — ideal for dealer and service centre use.\u003c\/li\u003e\n\u003cli\u003eFormulated for Mercury MerCruiser sterndrives and outboard lower units.\u003c\/li\u003e\n\u003cli\u003eProvides superior gear protection, corrosion resistance, and water separation.\u003c\/li\u003e\n\u003cli\u003eEngineered for the high-load, high-RPM demands of marine gearcase operation.\u003c\/li\u003e\n\u003cli\u003eProtects against wear, pitting, and corrosion in saltwater and freshwater environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMercury MerCruiser Alpha One, Bravo One, Bravo Two, Bravo Three sterndrives.\u003c\/li\u003e\n\u003cli\u003eMercury and Mariner outboard lower units (all HP ranges requiring HP gear lube).\u003c\/li\u003e\n\u003cli\u003eAny MerCruiser or Mercury application specifying High Performance Gear Lube.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 858008K01 \/ 8M0222055\u003c\/li\u003e\n\u003cli\u003eSize: 5 US Gallons (18.9 L)\u003c\/li\u003e\n\u003cli\u003eType: High Performance Gear Lube\u003c\/li\u003e\n\u003cli\u003eBrand: Mercury Quicksilver\u003c\/li\u003e\n\u003cli\u003eOEM Quality: Factory specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eService Notes\u003c\/h2\u003e\n\u003cp\u003eAlways verify the correct gear lube specification for your specific drive or outboard model before servicing. Some MerCruiser and Mercury applications require standard gear lube rather than high performance — confirm via your factory service manual or serial number lookup. Change gear lube at factory-recommended intervals and inspect for water contamination (milky appearance) at every service.\u003c\/p\u003e\n\u003cp\u003eShips same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885461540,"sku":"858008K01","price":464.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/6dcd193c-34ac-4188-a6e9-e0bdd367b5ed.png?v=1777416746"},{"product_id":"merc-771","title":"Mercury Premium Plus TC-W3 2-Stroke Oil 32 oz 858026KC1","description":"\u003cp\u003eMercury 858026KC1 is a genuine OEM \u003cstrong\u003ePremium Plus TC-W3 2-stroke marine engine oil\u003c\/strong\u003e in a \u003cstrong\u003e32 oz \/ 1 quart \/ 1 liter\u003c\/strong\u003e package. Mercury's current product information describes Premium Plus as an \u003cstrong\u003eadvanced synthetic blend\u003c\/strong\u003e formulated for hard-working 2-stroke marine engines, with strong wear and corrosion protection and reduced carbon build-up under high-speed, heavy-load operation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury OEM part number \u003cstrong\u003e858026KC1\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Plus TC-W3\u003c\/strong\u003e synthetic blend 2-stroke marine engine oil.\u003c\/li\u003e\n\u003cli\u003ePackage size is \u003cstrong\u003e32 oz \/ 1 quart \/ 1 liter\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eoil-injected, carbureted, or EFI mid- to high-horsepower 2-stroke outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eHelps provide \u003cstrong\u003ewear and corrosion protection\u003c\/strong\u003e while minimizing \u003cstrong\u003eperformance-robbing carbon deposits\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eMeets manufacturer recommendations for use of \u003cstrong\u003eNMMA TC-W3\u003c\/strong\u003e oil in premix or oil-injected 2-stroke applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe strongest supportable application for 858026KC1 is \u003cstrong\u003emid- to high-horsepower 2-stroke outboards\u003c\/strong\u003e that call for \u003cstrong\u003eTC-W3 oil\u003c\/strong\u003e, including \u003cstrong\u003eoil-injected, carbureted, and EFI\u003c\/strong\u003e systems. This is an oil-specification product, so the key compatibility check is the engine's required lubricant standard rather than a narrow engine serial range.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eMatch this product by the \u003cstrong\u003eengine oil requirement in the owner's manual or service manual\u003c\/strong\u003e rather than by serial number alone. The important check is whether the engine specifies \u003cstrong\u003eNMMA TC-W3 2-stroke oil\u003c\/strong\u003e and whether Premium Plus is the correct grade for the engine's horsepower range and operating conditions.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis oil is used during normal \u003cstrong\u003e2-stroke oil reservoir refill\u003c\/strong\u003e or \u003cstrong\u003epremix service\u003c\/strong\u003e on compatible engines. It is the right product when the engine requires a TC-W3 oil and the owner wants the higher protection level Mercury describes for harder-running mid- to high-horsepower 2-stroke use.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUse 858026KC1 only in engines that call for \u003cstrong\u003eTC-W3 2-stroke oil\u003c\/strong\u003e. It is suitable for \u003cstrong\u003eoil injection systems\u003c\/strong\u003e or \u003cstrong\u003epremix\u003c\/strong\u003e use where that oil specification is required, and it should not be substituted for a different oil category that the engine manual specifically requires.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCurrent sources reviewed clearly support \u003cstrong\u003e858026KC1\u003c\/strong\u003e as the \u003cstrong\u003e32 oz \/ 1 quart \/ 1 liter\u003c\/strong\u003e Mercury package reference. Related Premium Plus family packaging appears under other Mercury and Quicksilver size-specific part numbers, but the exact requested SKU is \u003cstrong\u003e858026KC1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWith 2-stroke oil, the most important match is the \u003cstrong\u003eoil specification and engine type\u003c\/strong\u003e, not just the bottle size. Checking that the engine specifically calls for \u003cstrong\u003eTC-W3\u003c\/strong\u003e before ordering is the simplest way to avoid buying the wrong lubricant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885527076,"sku":"858026KC1","price":27.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/a4476545-dcd9-4656-b516-b9b8fbf4a22f.png?v=1777014581"},{"product_id":"mercury-quicksilver-gear-lube-858058kc1","title":"Mercury Quicksilver High Performance Gear Lube – 858058KC1","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:cd752dab-2ca2-48b9-a8be-3a6513ba9f84-119\" data-testid=\"conversation-turn-18\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"ca7138da-460b-4f0c-b663-465ce7b43ce5\" dir=\"auto\" data-message-model-slug=\"gpt-5-4-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"80\" data-end=\"577\"\u003eMercury Quicksilver High Performance Gear Lube 858058KC1 is a marine gearcase lubricant formulated for \u003cstrong data-start=\"209\" data-end=\"248\"\u003eoutboard and sterndrive lower units\u003c\/strong\u003e. This high-performance \u003cstrong data-start=\"272\" data-end=\"282\"\u003eSAE 90\u003c\/strong\u003e gear lube is designed to help protect gears and bearings against \u003cstrong data-start=\"348\" data-end=\"403\"\u003ewear, corrosion, and the effects of water intrusion\u003c\/strong\u003e in marine gear housings. It is commonly specified for \u003cstrong data-start=\"458\" data-end=\"524\"\u003ehigher-horsepower outboards and Mercury MerCruiser sterndrives\u003c\/strong\u003e where a high-performance gear lubricant is required.\u003c\/p\u003e\n\u003cp data-start=\"579\" data-end=\"597\"\u003e\u003cstrong data-start=\"579\" data-end=\"595\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"598\" data-end=\"983\"\u003e\n\u003cli data-start=\"598\" data-end=\"655\"\u003eGenuine \u003cstrong data-start=\"608\" data-end=\"631\"\u003eMercury Quicksilver\u003c\/strong\u003e marine gear lubricant\u003c\/li\u003e\n\u003cli data-start=\"656\" data-end=\"716\"\u003e\n\u003cstrong data-start=\"658\" data-end=\"685\"\u003eHigh Performance SAE 90\u003c\/strong\u003e formula for marine gearcases\u003c\/li\u003e\n\u003cli data-start=\"717\" data-end=\"773\"\u003eDesigned for \u003cstrong data-start=\"732\" data-end=\"771\"\u003eoutboard and sterndrive lower units\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"774\" data-end=\"827\"\u003eHelps protect against \u003cstrong data-start=\"798\" data-end=\"825\"\u003egear wear and corrosion\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"828\" data-end=\"912\"\u003eFormulated to help protect components in the presence of \u003cstrong data-start=\"887\" data-end=\"910\"\u003ewater contamination\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"913\" data-end=\"983\"\u003eCommonly used where \u003cstrong data-start=\"935\" data-end=\"971\"\u003ehigh-load marine gear protection\u003c\/strong\u003e is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"985\" data-end=\"1374\"\u003e\u003cstrong data-start=\"985\" data-end=\"1009\"\u003eEngine Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1009\" data-end=\"1012\"\u003eThis lubricant is generally used in \u003cstrong data-start=\"1048\" data-end=\"1088\"\u003eoutboard lower units and sterndrives\u003c\/strong\u003e that call for \u003cstrong data-start=\"1103\" data-end=\"1160\"\u003eMercury\/Quicksilver High Performance Gear Lube SAE 90\u003c\/strong\u003e. It is commonly associated with \u003cstrong data-start=\"1193\" data-end=\"1224\"\u003ehigher-horsepower outboards\u003c\/strong\u003e and \u003cstrong data-start=\"1229\" data-end=\"1275\"\u003eMercury MerCruiser sterndrive applications\u003c\/strong\u003e. Always confirm the required lubricant against the engine or drive owner’s manual before ordering.\u003c\/p\u003e\n\u003cp data-start=\"1376\" data-end=\"1664\"\u003e\u003cstrong data-start=\"1376\" data-end=\"1408\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003cbr data-start=\"1408\" data-end=\"1411\"\u003eLubricant fitment should always be confirmed by \u003cstrong data-start=\"1459\" data-end=\"1507\"\u003eengine model, drive model, and serial number\u003c\/strong\u003e. Mercury and MerCruiser applications can vary by gearcase design and service requirements, so the correct fluid specification should be verified before use.\u003c\/p\u003e\n\u003cp data-start=\"1666\" data-end=\"1949\"\u003e\u003cstrong data-start=\"1666\" data-end=\"1702\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003cbr data-start=\"1702\" data-end=\"1705\"\u003eReplace gear lube during scheduled maintenance, seasonal service, or whenever the gearcase has been opened or drained. It should also be changed if the lubricant shows signs of \u003cstrong data-start=\"1882\" data-end=\"1948\"\u003ewater contamination, metal debris, discoloration, or breakdown\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1951\" data-end=\"2258\"\u003e\u003cstrong data-start=\"1951\" data-end=\"1973\"\u003eInstallation Notes\u003c\/strong\u003e\u003cbr data-start=\"1973\" data-end=\"1976\"\u003eDrain the old gear lube fully and refill the gearcase using the manufacturer’s recommended procedure. Always verify the correct lubricant specification for the exact application before servicing. New drain and vent screw seals should be used where required during gear lube service.\u003c\/p\u003e\n\u003cp data-start=\"2260\" data-end=\"2301\"\u003e\u003cstrong data-start=\"2260\" data-end=\"2299\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2302\" data-end=\"2350\"\u003e\n\u003cli data-start=\"2302\" data-end=\"2316\"\u003e\u003cstrong data-start=\"2304\" data-end=\"2314\"\u003e858058\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2317\" data-end=\"2332\"\u003e\u003cstrong data-start=\"2319\" data-end=\"2330\"\u003e858058K\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2333\" data-end=\"2350\"\u003e\u003cstrong data-start=\"2335\" data-end=\"2348\"\u003e858058KC1\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2352\" data-end=\"2711\"\u003e\u003cstrong data-start=\"2352\" data-end=\"2374\"\u003eParts Desk Insight\u003c\/strong\u003e\u003cbr data-start=\"2374\" data-end=\"2377\"\u003eFor Mercury and MerCruiser drives, using the correct \u003cstrong data-start=\"2430\" data-end=\"2448\"\u003egear lube type\u003c\/strong\u003e matters just as much as changing it on time. High Performance Gear Lube is typically chosen for applications that see \u003cstrong data-start=\"2567\" data-end=\"2629\"\u003eheavier loads, higher operating demands, or sterndrive use\u003c\/strong\u003e, where extra protection against wear and water intrusion is especially important.\u003c\/p\u003e\n\u003cp data-start=\"2713\" data-end=\"2778\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px absolute bottom-0\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885723684,"sku":"858058KC1","price":26.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/7d30a504-85ae-4e4c-9d03-5f42b20a3362.png?v=1775538931"},{"product_id":"merc-777","title":"Mercruiser High Performance Gear Lube 8M0222063","description":"\u003cp data-start=\"96\" data-end=\"528\"\u003eMercury 8M0222063 is a genuine OEM \u003cstrong data-start=\"157\" data-end=\"194\"\u003eSAE 90 High Performance Gear Lube\u003c\/strong\u003e for marine gearcases. It is formulated for \u003cstrong data-start=\"238\" data-end=\"313\"\u003eoutboard lower units, jet pumps, sport jets, and MerCruiser sterndrives\u003c\/strong\u003e, with corrosion and wear protection designed to perform even when water enters the gear housing. Dealer listings identify this part number as the \u003cstrong data-start=\"460\" data-end=\"482\"\u003e1 quart \/ 32 fl oz\u003c\/strong\u003e bottle. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"530\" data-end=\"548\"\u003e\u003cstrong data-start=\"530\" data-end=\"546\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"549\" data-end=\"884\"\u003e\n\u003cli data-start=\"549\" data-end=\"603\"\u003eGenuine Mercury Marine \/ Quicksilver OEM gear lube\u003c\/li\u003e\n\u003cli data-start=\"604\" data-end=\"633\"\u003ePart number \u003cstrong data-start=\"618\" data-end=\"631\"\u003e8M0222063\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"634\" data-end=\"675\"\u003e\u003cstrong data-start=\"636\" data-end=\"673\"\u003eSAE 90 High Performance Gear Lube\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"676\" data-end=\"718\"\u003e\n\u003cstrong data-start=\"678\" data-end=\"709\"\u003e1 quart \/ 32 fl oz \/ 946 mL\u003c\/strong\u003e bottle\u003c\/li\u003e\n\u003cli data-start=\"719\" data-end=\"884\"\u003eFormulated to help protect against \u003cstrong data-start=\"756\" data-end=\"821\"\u003ewear, pitting, corrosion, and water intrusion-related failure\u003c\/strong\u003e in marine gear housings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"886\" data-end=\"1201\"\u003e\u003cstrong data-start=\"886\" data-end=\"910\"\u003eEngine Compatibility\u003c\/strong\u003e\u003cbr data-start=\"910\" data-end=\"913\"\u003eThis lube is recommended for \u003cstrong data-start=\"942\" data-end=\"987\"\u003eMercury\/Mariner outboards 75 HP and above\u003c\/strong\u003e and for \u003cstrong data-start=\"996\" data-end=\"1026\"\u003eall MerCruiser sterndrives\u003c\/strong\u003e. Mercury also states it is suitable for \u003cstrong data-start=\"1067\" data-end=\"1130\"\u003eoutboard gearcases \/ lower units, jet pumps, and sport jets\u003c\/strong\u003e in the appropriate applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1203\" data-end=\"1520\"\u003e\u003cstrong data-start=\"1203\" data-end=\"1235\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003cbr data-start=\"1235\" data-end=\"1238\"\u003ePlease confirm the correct lubricant specification by your exact engine or drive model and serial number before purchase. Gear lube selection matters most when comparing standard applications against specialized or racing gearcase requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1522\" data-end=\"1969\"\u003e\u003cstrong data-start=\"1522\" data-end=\"1558\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003cbr data-start=\"1558\" data-end=\"1561\"\u003eReplace gear lube during regular lower-unit or sterndrive service intervals, or anytime the gearcase has been opened, contaminated, or exposed to water intrusion. Fresh marine gear lube helps protect internal gears and bearings under load and temperature. This is a practical service inference supported by Mercury’s focus on corrosion, wear, and water-entry protection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1971\" data-end=\"2240\"\u003e\u003cstrong data-start=\"1971\" data-end=\"1993\"\u003eInstallation Notes\u003c\/strong\u003e\u003cbr data-start=\"1993\" data-end=\"1996\"\u003eUse this lube only in applications calling for \u003cstrong data-start=\"2043\" data-end=\"2087\"\u003eSAE 90 high-performance marine gear lube\u003c\/strong\u003e. Mercury also references using a gear lube pump for cleaner filling service on compatible drain\/fill screw setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2242\" data-end=\"2283\"\u003e\u003cstrong data-start=\"2242\" data-end=\"2281\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2284\" data-end=\"2459\"\u003e\n\u003cli data-start=\"2284\" data-end=\"2328\"\u003eEarlier Mercury reference: \u003cstrong data-start=\"2313\" data-end=\"2326\"\u003e858064K01\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2329\" data-end=\"2459\"\u003eOlder packaged reference: \u003cstrong data-start=\"2357\" data-end=\"2369\"\u003e802854A1\u003c\/strong\u003e was superseded to \u003cstrong data-start=\"2388\" data-end=\"2401\"\u003e8M0222063\u003c\/strong\u003e in dealer listings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2461\" data-end=\"2798\"\u003e\u003cstrong data-start=\"2461\" data-end=\"2483\"\u003eParts Desk Insight\u003c\/strong\u003e\u003cbr data-start=\"2483\" data-end=\"2486\"\u003eMarine gear lube is one of those products where the right formula matters. Mercury’s high-performance SAE 90 is built specifically for marine gear housings, where water intrusion, corrosion, and sustained load are much bigger concerns than they are with automotive gear oil. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2800\" data-end=\"2865\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885756452,"sku":"858064K01","price":25.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/8M0222063.png?v=1771543236"},{"product_id":"merc-779","title":"Mercury Quicksilver Power Trim and Steering Fluid 8 oz 858074K01","description":"\u003cp\u003eMercury Quicksilver 858074K01 is genuine OEM \u003cstrong\u003ePower Trim \u0026amp; Steering Fluid\u003c\/strong\u003e supplied in an \u003cstrong\u003e8 oz bottle\u003c\/strong\u003e for compatible Mercury, Mariner, Force, and MerCruiser power trim, power tilt, and power steering systems. It is a universal marine hydraulic fluid designed to support smooth trim and steering operation while helping protect internal hydraulic components, hoses, and seals.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine \/ Quicksilver OEM fluid.\u003c\/li\u003e\n\u003cli\u003ePart number \u003cstrong\u003e858074K01\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFull OEM-style reference: \u003cstrong\u003e92-858074K01\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSupplied in an \u003cstrong\u003e8 oz bottle\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible \u003cstrong\u003epower trim\u003c\/strong\u003e, \u003cstrong\u003epower tilt\u003c\/strong\u003e, and \u003cstrong\u003epower steering\u003c\/strong\u003e systems.\u003c\/li\u003e\n\u003cli\u003eRecommended for Mercury, Mariner, Force, and MerCruiser applications where this fluid is specified.\u003c\/li\u003e\n\u003cli\u003eAlso suitable for applications requiring \u003cstrong\u003eType F transmission fluid\u003c\/strong\u003e, where specified.\u003c\/li\u003e\n\u003cli\u003eUniversal hydraulic fluid designed to mix with hydraulic fluids in compatible power trim and steering systems.\u003c\/li\u003e\n\u003cli\u003eHelps protect \u003cstrong\u003eseals and hoses\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eHelps prevent \u003cstrong\u003efoaming, oxidation, and corrosion\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eNot intended for Mercury electric power steering systems requiring \u003cstrong\u003eSAE 0W-30 synthetic power steering fluid\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eNot intended for non-power hydraulic helm steering systems requiring \u003cstrong\u003ehydraulic helm steering fluid\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis is \u003cstrong\u003enot an engine-specific product\u003c\/strong\u003e. It is selected by the boat’s \u003cstrong\u003etrim, tilt, or power steering system fluid requirement\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMercury outboard power trim and tilt systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMariner outboard power trim and tilt systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eForce outboard power trim and tilt systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMerCruiser power trim systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMerCruiser power steering systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eMarine hydraulic systems where \u003cstrong\u003eMercury \/ Quicksilver Power Trim \u0026amp; Steering Fluid\u003c\/strong\u003e is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways confirm the correct fluid in the owner’s manual or service manual before use.\u003c\/p\u003e\n\u003ch2\u003eFitment \u0026amp; System Compatibility Notice\u003c\/h2\u003e\n\u003cp\u003eConfirm the fluid requirement by the exact engine, drive, trim pump, or steering system service information before filling or topping off. Mercury power trim and steering fluid, SAE 0W-30 synthetic power steering fluid, hydraulic helm steering fluid, gear lube, and other marine hydraulic fluids are not automatically interchangeable.\u003c\/p\u003e\n\u003ch2\u003eWhen This Product Needs Replacement\u003c\/h2\u003e\n\u003cp\u003eUse this fluid when topping off, bleeding, flushing, or servicing a compatible power trim, power tilt, or power steering system. Fluid should be inspected if the trim or steering system is noisy, slow, inconsistent, aerated, leaking, contaminated, or after any hydraulic component has been replaced or disconnected.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eUse clean filling equipment and keep dirt, water, and air out of the hydraulic system during service. Follow the correct bleed or fill procedure for the trim pump or steering system being serviced. Do not mix with unknown or incompatible fluids, and inspect hoses, fittings, cylinders, reservoirs, and pump assemblies for leaks before returning the system to use.\u003c\/p\u003e\n\u003ch2\u003eAlternate \/ Superseded Part Numbers\u003c\/h2\u003e\n\u003cp\u003eActive and related OEM references include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e858074K01\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e92-858074K01\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated Mercury \/ Quicksilver power trim and steering fluid package references vary by bottle size, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e858075K01\u003c\/strong\u003e — 32 oz \/ 1 quart bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eParts Desk Insight\u003c\/h2\u003e\n\u003cp\u003eThe key difference between the Mercury steering fluids is the system type. \u003cstrong\u003e858074K01\u003c\/strong\u003e is for compatible power trim and power steering systems, while SAE 0W-30 synthetic steering fluid and hydraulic helm steering fluid serve different Mercury steering applications. Checking the system requirement first prevents the wrong fluid from being added.\u003c\/p\u003e\n\u003cp\u003eShips same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885821988,"sku":"858074K01","price":21.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/526777d0-0aec-436c-9ad1-485a2f84c613.png?v=1777431846"},{"product_id":"merc-780","title":"Mercury Quicksilver Power Trim and Steering Fluid 858075K01","description":"\u003cp\u003eMercury Quicksilver 858075K01 is genuine OEM \u003cstrong\u003ePower Trim \u0026amp; Steering Fluid\u003c\/strong\u003e for compatible Mercury, Mariner, Force, and MerCruiser marine trim, tilt, and steering systems. It is formulated for marine hydraulic service where proper fluid performance helps support smooth trim operation, reliable steering assist, and protection of internal hydraulic components.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine \/ Quicksilver OEM fluid.\u003c\/li\u003e\n\u003cli\u003ePart number \u003cstrong\u003e858075K01\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFull OEM-style reference: \u003cstrong\u003e92-858075K01\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible \u003cstrong\u003epower trim\u003c\/strong\u003e, \u003cstrong\u003epower tilt\u003c\/strong\u003e, and \u003cstrong\u003epower steering\u003c\/strong\u003e systems.\u003c\/li\u003e\n\u003cli\u003eSuitable for Mercury, Mariner, Force, and MerCruiser applications where this fluid is specified.\u003c\/li\u003e\n\u003cli\u003eHelps support smooth hydraulic operation in trim and steering circuits.\u003c\/li\u003e\n\u003cli\u003eMarine-formulated for use in demanding onboard hydraulic environments.\u003c\/li\u003e\n\u003cli\u003eCommonly supplied as a \u003cstrong\u003e32 oz \/ 1 quart\u003c\/strong\u003e service bottle.\u003c\/li\u003e\n\u003cli\u003eShould not be confused with Mercury \u003cstrong\u003eHydraulic Helm Steering Fluid\u003c\/strong\u003e, which is used for non-power hydraulic helm steering systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis is \u003cstrong\u003enot an engine-specific product\u003c\/strong\u003e. It is selected by the boat’s \u003cstrong\u003etrim, tilt, or steering system fluid requirement\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eMercury outboard power trim and tilt systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMariner outboard power trim and tilt systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eForce outboard power trim and tilt systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMerCruiser power trim systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMerCruiser power steering systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eMarine hydraulic systems where \u003cstrong\u003eMercury \/ Quicksilver Power Trim \u0026amp; Steering Fluid\u003c\/strong\u003e is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways confirm the correct fluid in the owner’s manual or service manual before use.\u003c\/p\u003e\n\u003ch2\u003eFitment \u0026amp; System Compatibility Notice\u003c\/h2\u003e\n\u003cp\u003eConfirm the fluid requirement by the exact engine, drive, trim pump, or steering system service information before filling or topping off. Mercury power trim and steering fluid, hydraulic helm steering fluid, gear lube, and other marine hydraulic fluids are not automatically interchangeable.\u003c\/p\u003e\n\u003ch2\u003eWhen This Product Needs Replacement\u003c\/h2\u003e\n\u003cp\u003eUse this fluid when topping off, bleeding, flushing, or servicing a compatible power trim, power tilt, or power steering system. Fluid should be inspected if the trim or steering system is noisy, slow, inconsistent, aerated, leaking, or after any hydraulic component has been replaced or disconnected.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eUse clean filling equipment and keep dirt, water, and air out of the hydraulic system during service. Follow the correct bleed or fill procedure for the trim pump or steering system being serviced. Do not mix with unknown or incompatible fluids, and inspect hoses, fittings, cylinders, and reservoirs for leaks before returning the system to use.\u003c\/p\u003e\n\u003ch2\u003eAlternate \/ Superseded Part Numbers\u003c\/h2\u003e\n\u003cp\u003eActive and related OEM references include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e858075K01\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e92-858075K01\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated Mercury \/ Quicksilver trim and steering fluid package references may vary by bottle size or packaging suffix, so match the required fluid type and package number before ordering.\u003c\/p\u003e\n\u003ch2\u003eParts Desk Insight\u003c\/h2\u003e\n\u003cp\u003eThe important detail with this bottle is that it is \u003cstrong\u003ePower Trim \u0026amp; Steering Fluid\u003c\/strong\u003e, not hydraulic helm steering fluid. The names sound similar, but the correct choice depends on the system being serviced — trim pump, power steering, or non-power hydraulic helm steering.\u003c\/p\u003e\n\u003cp\u003eShips same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885854756,"sku":"858075K01","price":25.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/40378fa8-1e0e-4afe-8f5e-bbf3b9bed9de.png?v=1777420021"},{"product_id":"merc-781","title":"Mercury Quicksilver SAE 0W-30 Full Synthetic Power Steering Fluid 858077K01","description":"\u003cp\u003eMercury Quicksilver 858077K01 is genuine OEM \u003cstrong\u003eSAE 0W-30 Full Synthetic Power Steering Fluid\u003c\/strong\u003e supplied in a \u003cstrong\u003e32 oz \/ 1-quart bottle\u003c\/strong\u003e. It is formulated for compatible Mercury electric power steering systems and selected Zeus drive steering, transmission, and actuator systems where this fluid is specified. It is not intended for non-power hydraulic helm steering systems.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine \/ Quicksilver OEM fluid.\u003c\/li\u003e\n\u003cli\u003ePart number \u003cstrong\u003e858077K01\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFull OEM-style reference: \u003cstrong\u003e92-858077K01\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE 0W-30 full synthetic\u003c\/strong\u003e power steering fluid.\u003c\/li\u003e\n\u003cli\u003eSupplied as a \u003cstrong\u003e32 oz \/ 1-quart bottle\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eRecommended for compatible \u003cstrong\u003eMercury electric power steering systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSuitable for \u003cstrong\u003eVerado power steering\u003c\/strong\u003e and \u003cstrong\u003eMercury Joystick Piloting for Outboards\u003c\/strong\u003e systems where specified.\u003c\/li\u003e\n\u003cli\u003eRecommended for \u003cstrong\u003etransmission, steering, and actuator systems for Zeus drives\u003c\/strong\u003e where specified.\u003c\/li\u003e\n\u003cli\u003eNot for use in \u003cstrong\u003enon-power hydraulic steering systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eProduced to Mercury Marine OEM specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis is \u003cstrong\u003enot an engine-specific product\u003c\/strong\u003e. It is selected by the boat’s \u003cstrong\u003esteering system, drive system, and fluid specification\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCommonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eVerado electric power steering systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMercury Joystick Piloting for Outboards\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCompatible \u003cstrong\u003eZeus drive transmission, steering, and actuator systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMercury \/ MerCruiser applications where \u003cstrong\u003eSAE 0W-30 Full Synthetic Power Steering Fluid\u003c\/strong\u003e is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not select this fluid by engine model alone. The correct match is the steering or drive system fluid requirement.\u003c\/p\u003e\n\u003ch2\u003eFitment \u0026amp; System Compatibility Notice\u003c\/h2\u003e\n\u003cp\u003eConfirm the correct steering-fluid requirement in the boat’s \u003cstrong\u003eowner’s manual, service manual, or system documentation\u003c\/strong\u003e before use. Mercury power steering fluid, hydraulic helm steering fluid, power trim fluid, and other marine hydraulic fluids are not automatically interchangeable.\u003c\/p\u003e\n\u003ch2\u003eWhen This Product Needs Replacement\u003c\/h2\u003e\n\u003cp\u003eUse this fluid when topping off, bleeding, flushing, or servicing a compatible electric power steering or Zeus steering \/ actuator system. Fluid should be checked when steering becomes noisy, inconsistent, heavy, aerated, contaminated, or after steering-system components have been replaced or disconnected.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eUse clean filling equipment and keep dirt, water, and air out of the system during service. Follow the correct Mercury service procedure for the steering or Zeus system being serviced. Do not mix with unknown or incompatible fluids, and inspect hoses, fittings, reservoirs, and steering components for leaks before returning the system to use.\u003c\/p\u003e\n\u003ch2\u003eAlternate \/ Superseded Part Numbers\u003c\/h2\u003e\n\u003cp\u003eActive and related OEM references include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e858077K01\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e92-858077K01\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated Mercury \/ Quicksilver package references may vary by bottle size or branding, so match the required fluid type and package number before ordering.\u003c\/p\u003e\n\u003ch2\u003eParts Desk Insight\u003c\/h2\u003e\n\u003cp\u003eThe important detail with 858077K01 is that it is \u003cstrong\u003eSAE 0W-30 full synthetic power steering fluid\u003c\/strong\u003e for specific Mercury electric power steering and Zeus applications. It should not be confused with hydraulic helm steering fluid, which is used for non-power hydraulic steering systems.\u003c\/p\u003e\n\u003cp\u003eShips same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885887524,"sku":"858077K01","price":41.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/39c46a77-5576-4e8e-9255-411ec8711edd.png?v=1777420695"},{"product_id":"merc-782","title":"Mercury Quicksilver Power Steering Fluid 858078Q01","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-69e68f09-0808-8327-bfd9-932b81cf1d60-32\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69e68f09-0808-8327-bfd9-932b81cf1d60-32\" data-testid=\"conversation-turn-286\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"48eaec34-8c04-4f1f-835e-cbe4708f3e1e\" dir=\"auto\" data-message-model-slug=\"gpt-5-5-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"94\" data-end=\"608\"\u003eMercury Quicksilver 858078Q01 is genuine OEM \u003cstrong data-start=\"139\" data-end=\"172\"\u003eHydraulic Helm Steering Fluid\u003c\/strong\u003e supplied in a \u003cstrong data-start=\"187\" data-end=\"203\"\u003e32 oz bottle\u003c\/strong\u003e for compatible non-power hydraulic steering systems. It is formulated for marine hydraulic helm systems where the steering fluid must provide proper lubrication, smooth steering response, and long steering-system service life. This is the correct Mercury \/ Quicksilver fluid for applications that specify \u003cstrong data-start=\"509\" data-end=\"542\"\u003ehydraulic helm steering fluid\u003c\/strong\u003e, not a general power trim fluid or electric power steering fluid.\u003c\/p\u003e\n\u003ch2 data-start=\"610\" data-end=\"629\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"613\" data-end=\"629\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"630\" data-end=\"1437\"\u003e\n\u003cli data-start=\"630\" data-end=\"688\"\u003eGenuine Mercury Marine \/ Quicksilver OEM steering fluid.\u003c\/li\u003e\n\u003cli data-start=\"689\" data-end=\"717\"\u003ePart number \u003cstrong data-start=\"703\" data-end=\"716\"\u003e858078Q01\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"718\" data-end=\"763\"\u003eFull OEM-style reference: \u003cstrong data-start=\"746\" data-end=\"762\"\u003e92-858078Q01\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"764\" data-end=\"807\"\u003eSupplied in a \u003cstrong data-start=\"780\" data-end=\"806\"\u003e32 oz \/ 1 quart bottle\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"808\" data-end=\"864\"\u003eDesigned for \u003cstrong data-start=\"823\" data-end=\"863\"\u003enon-power hydraulic steering systems\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"865\" data-end=\"951\"\u003eSuitable for \u003cstrong data-start=\"880\" data-end=\"934\"\u003eMerCruiser compact hydraulic helm steering systems\u003c\/strong\u003e where specified.\u003c\/li\u003e\n\u003cli data-start=\"952\" data-end=\"1098\"\u003eSuitable for compatible \u003cstrong data-start=\"978\" data-end=\"1016\"\u003ebolt-on hydraulic steering systems\u003c\/strong\u003e, including SeaStar-style helm systems where this fluid specification is required.\u003c\/li\u003e\n\u003cli data-start=\"1099\" data-end=\"1127\"\u003eMeets \u003cstrong data-start=\"1107\" data-end=\"1126\"\u003eMIL Spec H5606G\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1128\" data-end=\"1180\"\u003eHelps support smooth hydraulic steering operation.\u003c\/li\u003e\n\u003cli data-start=\"1181\" data-end=\"1286\"\u003eProduced to Mercury Marine OEM specifications for Mercury, Mariner, and MerCruiser marine applications.\u003c\/li\u003e\n\u003cli data-start=\"1287\" data-end=\"1437\"\u003eNot intended for non-compatible electric power steering systems or other systems requiring a different Mercury \/ Quicksilver steering or trim fluid.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1439\" data-end=\"1471\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1442\" data-end=\"1471\"\u003eApplication Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1472\" data-end=\"1663\"\u003eThis is \u003cstrong data-start=\"1480\" data-end=\"1514\"\u003enot an engine-specific product\u003c\/strong\u003e. It is selected by the boat’s \u003cstrong data-start=\"1545\" data-end=\"1587\"\u003ehydraulic steering system requirements\u003c\/strong\u003e and the fluid specification listed in the owner’s manual or service manual.\u003c\/p\u003e\n\u003cp data-start=\"1665\" data-end=\"1683\"\u003eCommonly used for:\u003c\/p\u003e\n\u003cul data-start=\"1684\" data-end=\"1985\"\u003e\n\u003cli data-start=\"1684\" data-end=\"1731\"\u003e\u003cstrong data-start=\"1686\" data-end=\"1731\"\u003eNon-power hydraulic helm steering systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1732\" data-end=\"1788\"\u003e\u003cstrong data-start=\"1734\" data-end=\"1788\"\u003eMerCruiser compact hydraulic helm steering systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1789\" data-end=\"1840\"\u003eCompatible \u003cstrong data-start=\"1802\" data-end=\"1840\"\u003ebolt-on hydraulic steering systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1841\" data-end=\"1985\"\u003eMercury, Mariner, and MerCruiser marine steering applications where \u003cstrong data-start=\"1911\" data-end=\"1939\"\u003e858078Q01 \/ 92-858078Q01\u003c\/strong\u003e or hydraulic helm steering fluid is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1987\" data-end=\"2098\"\u003eDo not select this fluid by engine model alone. The correct match is the steering system and fluid requirement.\u003c\/p\u003e\n\u003ch2 data-start=\"2100\" data-end=\"2144\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2103\" data-end=\"2144\"\u003eFitment \u0026amp; System Compatibility Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2145\" data-end=\"2492\"\u003eConfirm the correct steering-fluid requirement in the boat’s \u003cstrong data-start=\"2206\" data-end=\"2279\"\u003eowner’s manual, service manual, or helm steering system documentation\u003c\/strong\u003e before use. Hydraulic helm steering fluid, power trim and steering fluid, and synthetic electric power steering fluid are not always interchangeable, even though the containers and descriptions can sound similar.\u003c\/p\u003e\n\u003ch2 data-start=\"2494\" data-end=\"2536\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2497\" data-end=\"2536\"\u003eWhen This Product Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2537\" data-end=\"2823\"\u003eUse this fluid when topping off, bleeding, flushing, or servicing a compatible hydraulic helm steering system. Steering fluid should be checked when steering becomes noisy, inconsistent, spongy, hard to turn, or after any steering component has been replaced, disconnected, or serviced.\u003c\/p\u003e\n\u003ch2 data-start=\"2825\" data-end=\"2850\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2828\" data-end=\"2850\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2851\" data-end=\"3218\"\u003eUse clean filling and bleeding equipment to avoid introducing dirt, water, or air into the steering system. Follow the steering-system manufacturer’s bleeding procedure, keep the reservoir filled during service, and do not mix with unknown or incompatible fluids. If old fluid is contaminated, discolored, or aerated, the system should be inspected before refilling.\u003c\/p\u003e\n\u003ch2 data-start=\"3220\" data-end=\"3260\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3223\" data-end=\"3260\"\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3261\" data-end=\"3303\"\u003eActive and related OEM references include:\u003c\/p\u003e\n\u003cul data-start=\"3304\" data-end=\"3338\"\u003e\n\u003cli data-start=\"3304\" data-end=\"3319\"\u003e\u003cstrong data-start=\"3306\" data-end=\"3319\"\u003e858078Q01\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"3320\" data-end=\"3338\"\u003e\u003cstrong data-start=\"3322\" data-end=\"3338\"\u003e92-858078Q01\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3340\" data-end=\"3402\"\u003eRelated earlier reference commonly associated with this fluid:\u003c\/p\u003e\n\u003cul data-start=\"3403\" data-end=\"3417\"\u003e\n\u003cli data-start=\"3403\" data-end=\"3417\"\u003e\u003cstrong data-start=\"3405\" data-end=\"3417\"\u003e862014Q1\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3419\" data-end=\"3444\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3422\" data-end=\"3444\"\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3445\" data-end=\"3765\"\u003eThe important detail with this bottle is that it is \u003cstrong data-start=\"3497\" data-end=\"3530\"\u003ehydraulic helm steering fluid\u003c\/strong\u003e for non-power hydraulic steering systems. It should not be confused with Mercury power trim fluid or synthetic electric power steering fluid, so checking the steering-system requirement first prevents the wrong fluid from being added.\u003c\/p\u003e\n\u003cp data-start=\"3767\" data-end=\"3836\"\u003e\u003cstrong data-start=\"3767\" data-end=\"3836\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885920292,"sku":"858078Q01","price":39.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/448e6b79-2aaf-45df-9236-e47fb107717b.png?v=1777419413"},{"product_id":"merc-784","title":"Mercury \/ MerCruiser Quicksilver Engine Cleaner — 858080KC3","description":"\u003ch3 data-start=\"42\" data-end=\"109\"\u003eMercury \/ MerCruiser Quicksilver \u003cstrong data-start=\"79\" data-end=\"109\"\u003eEngine Cleaner — 858080KC3\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"111\" data-end=\"521\"\u003eThe \u003cstrong data-start=\"115\" data-end=\"163\"\u003eMercury Quicksilver 858080KC3 Engine Cleaner\u003c\/strong\u003e (commonly listed as \u003cstrong data-start=\"184\" data-end=\"212\"\u003e858080K03 \/ 92-858080K03\u003c\/strong\u003e) is an OEM \u003cstrong data-start=\"224\" data-end=\"262\"\u003ePower Tune internal engine cleaner\u003c\/strong\u003e designed to remove carbon, gum, and varnish deposits from gasoline engines. It is widely used on \u003cstrong data-start=\"360\" data-end=\"415\"\u003eMercury outboards and MerCruiser sterndrive engines\u003c\/strong\u003e to restore lost performance caused by combustion-chamber buildup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"523\" data-end=\"526\"\u003e\n\u003ch2 data-start=\"528\" data-end=\"549\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cul data-start=\"550\" data-end=\"806\"\u003e\n\u003cli data-start=\"550\" data-end=\"615\"\u003e\n\u003cp data-start=\"552\" data-end=\"615\"\u003e\u003cstrong data-start=\"552\" data-end=\"568\"\u003ePart Number:\u003c\/strong\u003e 858080KC3 (often cataloged as \u003cstrong data-start=\"599\" data-end=\"612\"\u003e858080K03\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"616\" data-end=\"682\"\u003e\n\u003cp data-start=\"618\" data-end=\"682\"\u003e\u003cstrong data-start=\"618\" data-end=\"635\"\u003eProduct Type:\u003c\/strong\u003e Internal engine \/ combustion chamber cleaner\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"683\" data-end=\"720\"\u003e\n\u003cp data-start=\"685\" data-end=\"720\"\u003e\u003cstrong data-start=\"685\" data-end=\"694\"\u003eSize:\u003c\/strong\u003e \u003cstrong data-start=\"695\" data-end=\"718\"\u003e12 oz aerosol spray\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"721\" data-end=\"806\"\u003e\n\u003cp data-start=\"723\" data-end=\"806\"\u003e\u003cstrong data-start=\"723\" data-end=\"733\"\u003eBrand:\u003c\/strong\u003e Mercury Marine \/ Quicksilver OEM \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"808\" data-end=\"811\"\u003e\n\u003ch2 data-start=\"813\" data-end=\"828\"\u003eWhat It Does\u003c\/h2\u003e\n\u003cp data-start=\"829\" data-end=\"919\"\u003ePower Tune works by breaking down deposits that accumulate during normal engine operation.\u003c\/p\u003e\n\u003cp data-start=\"921\" data-end=\"937\"\u003eIt helps remove:\u003c\/p\u003e\n\u003cul data-start=\"939\" data-end=\"1167\"\u003e\n\u003cli data-start=\"939\" data-end=\"985\"\u003e\n\u003cp data-start=\"941\" data-end=\"985\"\u003e\u003cstrong data-start=\"941\" data-end=\"983\"\u003eCarbon deposits in combustion chambers\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"986\" data-end=\"1025\"\u003e\n\u003cp data-start=\"988\" data-end=\"1025\"\u003e\u003cstrong data-start=\"988\" data-end=\"1023\"\u003eGum and varnish in fuel systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1026\" data-end=\"1080\"\u003e\n\u003cp data-start=\"1028\" data-end=\"1080\"\u003eDeposits on \u003cstrong data-start=\"1040\" data-end=\"1078\"\u003epistons, valves, and exhaust ports\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1081\" data-end=\"1167\"\u003e\n\u003cp data-start=\"1083\" data-end=\"1167\"\u003eBuild-up inside \u003cstrong data-start=\"1099\" data-end=\"1127\"\u003ecarburetors or injectors\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1169\" data-end=\"1311\"\u003eRemoving these deposits improves \u003cstrong data-start=\"1202\" data-end=\"1270\"\u003efuel\/air flow, throttle response, and overall engine performance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1313\" data-end=\"1316\"\u003e\n\u003ch2 data-start=\"1318\" data-end=\"1339\"\u003eCompatible Engines\u003c\/h2\u003e\n\u003cp data-start=\"1340\" data-end=\"1399\"\u003eSafe for use in \u003cstrong data-start=\"1356\" data-end=\"1387\"\u003eall gasoline marine engines\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul data-start=\"1401\" data-end=\"1571\"\u003e\n\u003cli data-start=\"1401\" data-end=\"1450\"\u003e\n\u003cp data-start=\"1403\" data-end=\"1450\"\u003e\u003cstrong data-start=\"1403\" data-end=\"1448\"\u003eMercury outboards (2-stroke and 4-stroke)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1451\" data-end=\"1488\"\u003e\n\u003cp data-start=\"1453\" data-end=\"1488\"\u003e\u003cstrong data-start=\"1453\" data-end=\"1486\"\u003eMerCruiser sterndrive engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1489\" data-end=\"1571\"\u003e\n\u003cp data-start=\"1491\" data-end=\"1571\"\u003e\u003cstrong data-start=\"1491\" data-end=\"1531\"\u003eCarbureted and fuel-injected engines\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1573\" data-end=\"1724\"\u003eIt can also be used on other small gasoline engines such as motorcycles, ATVs, lawn equipment, and snowmobiles. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1726\" data-end=\"1729\"\u003e\n\u003ch2 data-start=\"1731\" data-end=\"1753\"\u003eTypical Service Use\u003c\/h2\u003e\n\u003cp data-start=\"1754\" data-end=\"1790\"\u003eTechnicians often use Power Tune to:\u003c\/p\u003e\n\u003cul data-start=\"1792\" data-end=\"2045\"\u003e\n\u003cli data-start=\"1792\" data-end=\"1854\"\u003e\n\u003cp data-start=\"1794\" data-end=\"1854\"\u003eRestore power in engines suffering from \u003cstrong data-start=\"1834\" data-end=\"1852\"\u003ecarbon buildup\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1855\" data-end=\"1892\"\u003e\n\u003cp data-start=\"1857\" data-end=\"1892\"\u003eClean engines during \u003cstrong data-start=\"1878\" data-end=\"1890\"\u003etune-ups\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1893\" data-end=\"1931\"\u003e\n\u003cp data-start=\"1895\" data-end=\"1931\"\u003eDecarbonize \u003cstrong data-start=\"1907\" data-end=\"1929\"\u003e2-stroke outboards\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1932\" data-end=\"2045\"\u003e\n\u003cp data-start=\"1934\" data-end=\"2045\"\u003eClean \u003cstrong data-start=\"1940\" data-end=\"1974\"\u003ecarburetors and intake systems\u003c\/strong\u003e during maintenance or rebuilds \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2047\" data-end=\"2219\"\u003eWhen sprayed into the intake of a running engine, the cleaner penetrates deposits and they are burned off after a short soak period. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2221\" data-end=\"2224\"\u003e\n\u003cp data-start=\"2226\" data-end=\"2439\"\u003e⚠️ \u003cstrong data-start=\"2229\" data-end=\"2245\"\u003eService Tip:\u003c\/strong\u003e\u003cbr data-start=\"2245\" data-end=\"2248\"\u003ePower Tune is an \u003cstrong data-start=\"2265\" data-end=\"2288\"\u003eengine decarbonizer\u003c\/strong\u003e, not a fuel stabilizer. For fuel storage protection, Mercury recommends using \u003cstrong data-start=\"2367\" data-end=\"2380\"\u003eQuickstor\u003c\/strong\u003e, and for routine fuel treatment \u003cstrong data-start=\"2413\" data-end=\"2438\"\u003eQuickleen or Quickare\u003c\/strong\u003e.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563885985828,"sku":"858080KC3","price":12.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/de79363b-e781-4b93-973d-4d6e149f275e.png?v=1773269355"},{"product_id":"mercury-4-stroke-high-performance-oil-quart-8m0078013","title":"Mercury 4-Stroke High Performance Engine Oil 25W-50 | 1 Qt | 8M0078013","description":"\u003ch2\u003eMercury 4-Stroke High Performance Engine Oil 25W-50 | 1 Quart | Part 8M0078013\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8M0078013\u003cbr\u003e\n\u003cstrong\u003eFull Reference:\u003c\/strong\u003e 92-8M0078013\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mercury Marine \/ Quicksilver\u003cbr\u003e\n\u003cstrong\u003eOfficial Product Type:\u003c\/strong\u003e 4-Stroke High Performance Marine Engine Oil\u003cbr\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e SAE 25W-50\u003cbr\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e Synthetic blend\u003cbr\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 1 Quart (946 mL)\u003cbr\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e NMMA FC-W\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat It Does\u003c\/h2\u003e\n\u003cp\u003eThis is the OEM-specified engine oil for Mercury high-performance and supercharged 4-stroke outboard and sterndrive engines. The SAE 25W-50 viscosity grade is engineered for engines that operate at sustained high RPM and extreme thermal load — conditions where standard 25W-40 or 10W-30 marine oils cannot maintain adequate film strength. The synthetic-blend formula resists viscosity breakdown under heat, protects against wear and corrosion, and keeps engine internals clean over the service interval.\u003c\/p\u003e\n\n\u003cp\u003eThis is \u003cstrong\u003enot\u003c\/strong\u003e a general-purpose upgrade for standard Mercury FourStroke outboards. It is the factory-specified oil for Verado, Mercury Racing, and high-output MerCruiser applications. Using the wrong viscosity grade in either direction can affect engine protection and may affect warranty coverage.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSystem\u003c\/h2\u003e\n\u003cp\u003e4-stroke engine lubrication system. Used in the crankcase of applicable high-performance Mercury outboard and MerCruiser sterndrive engines. Change at the interval specified in your engine’s owner’s manual or service manual.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eAlways confirm the correct oil viscosity for your engine in the Mercury owner’s manual or service manual before ordering. The 25W-50 grade is not interchangeable with 25W-40 or 10W-30 specifications.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado supercharged 4-stroke outboards (all displacements)\u003c\/li\u003e\n\u003cli\u003eMercury Racing 4-stroke outboards\u003c\/li\u003e\n\u003cli\u003eMercury FormulaRace engines\u003c\/li\u003e\n\u003cli\u003eMerCruiser 525 EFI, 600 SCi, 700 SCi, 850 SCi high-performance sterndrives\u003c\/li\u003e\n\u003cli\u003eMerCruiser 1350 and 1650 Racing engines\u003c\/li\u003e\n\u003cli\u003eAny Mercury or MerCruiser engine specifying SAE 25W-50 high-performance marine oil — confirm in your owner’s manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e SAE 25W-50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e Synthetic blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 1 Quart (946 mL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e NMMA FC-W (meets marine engine manufacturer warranty requirements)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Wax-element, spring-loaded valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cp\u003eCommonly ordered together for a complete high-performance engine oil service:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/merc-768\"\u003eMercury MerCruiser Quicksilver High Performance Oil Filter 858004K\u003c\/a\u003e — the correct high-performance oil filter for applicable engines\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/merc-701\"\u003eMercury MerCruiser Quicksilver Oil Filter 822626Q15\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/merc-1194\"\u003eMercury MerCruiser Quicksilver Oil Filter 8M0116378\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/merc-1122\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 1L | 8M0078639\u003c\/a\u003e — standard FourStroke viscosity (not for Verado\/Racing)\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/merc-1123\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 4L | 8M0078640\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/merc-1124\"\u003eMercury 4-Stroke Full Synthetic Marine Engine Oil – 25W-40, 1L | 8M0078641\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/merc-1125\"\u003eMercury 4-Stroke Synthetic Blend Engine Oil – 25W-40, 4L | 8M0078642\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eService Interval\u003c\/h2\u003e\n\u003cp\u003eChange engine oil and filter every \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first — or per the interval specified in your engine’s owner’s manual. High-performance and supercharged engines operate under greater thermal stress than standard outboards and should not exceed the recommended change interval. Always replace the oil filter at every oil change.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the correct oil viscosity (25W-50) is specified for your engine in the owner’s manual before use\u003c\/li\u003e\n\u003cli\u003eReplace the oil filter at every oil change — use the filter specified for your engine model\u003c\/li\u003e\n\u003cli\u003eWarm the engine before draining to ensure full oil evacuation\u003c\/li\u003e\n\u003cli\u003eCheck the oil level after filling and again after the first run to confirm no leaks\u003c\/li\u003e\n\u003cli\u003eDispose of used oil responsibly — do not discharge into the water\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eTechnical FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this oil in a standard Mercury FourStroke outboard?\u003c\/strong\u003e\u003cbr\u003e\nNo. Standard Mercury FourStroke outboards (non-Verado, non-Racing) typically specify 25W-40 or 10W-30. Using 25W-50 in an engine that calls for a lighter viscosity can affect oil flow at startup and is not recommended. Always use the viscosity specified in your owner’s manual.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this the same as Mercury’s standard 4-stroke marine oil?\u003c\/strong\u003e\u003cbr\u003e\nNo. The 25W-50 high-performance formula uses a different viscosity grade and additive package than the standard 25W-40 marine oil. They are not interchangeable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need a specific oil filter with this oil?\u003c\/strong\u003e\u003cbr\u003e\nYes. Use the oil filter specified for your engine model. For most high-performance Mercury applications, the \u003ca href=\"\/products\/merc-768\"\u003eMercury High Performance Oil Filter 858004K\u003c\/a\u003e is the correct filter. Confirm by your engine model and serial number.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I mix this with another brand of 25W-50 marine oil?\u003c\/strong\u003e\u003cbr\u003e\nMixing oil brands is not recommended. If switching oils, drain the crankcase fully before refilling. For warranty-covered engines, use the OEM-specified Mercury oil.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Routine oil changes on Mercury Verado supercharged outboards, Mercury Racing engines, and high-output MerCruiser sterndrives that specify SAE 25W-50. Order alongside the correct high-performance oil filter so the full service can be completed in one visit. At 1 quart per bottle, most Verado and high-performance MerCruiser applications require multiple quarts — confirm the crankcase capacity in your service manual before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon issues:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrdering this oil for a standard FourStroke outboard\u003c\/strong\u003e — the most common mistake. “High performance” does not mean better for every engine. This 25W-50 grade is specifically for supercharged and racing applications. Standard Mercury FourStroke outboards use 25W-40 or 10W-30. Using the wrong viscosity can affect engine protection and warranty coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot ordering enough quarts\u003c\/strong\u003e — high-performance and supercharged engines have larger crankcase capacities than standard outboards. Check the service manual for your engine’s oil capacity before ordering — a single quart is rarely sufficient for a full oil change.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsing the wrong oil filter\u003c\/strong\u003e — high-performance engines require the correct filter for their application. Confirm the filter part number for your engine model before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceeding the service interval\u003c\/strong\u003e — high-performance engines are harder on oil than standard outboards. Do not extend oil change intervals beyond the manufacturer’s specification.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563912757284,"sku":"8M0078013","price":31.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/add1ec9c-af70-4b9a-a133-e4b6955c3572.png?v=1773435994"},{"product_id":"merc-1119","title":"Quicksilver 4-Stroke Engine Oil – 4L | Part 8M0078634","description":"\u003ch2\u003eQuicksilver 4-Stroke Engine Oil – 4 Litre\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0078634\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92-8M0078634\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuicksilver (Mercury Marine)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOfficial Product Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Stroke Marine Engine Oil\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Litres (approx. 1.06 US gallons)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine Lubrication – Crankcase\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaged Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 4.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAbout This Oil\u003c\/h3\u003e\n\u003cp\u003eThis is the OEM-specified 4-stroke crankcase oil for Mercury and MerCruiser gasoline-powered outboard and sterndrive engines. Formulated specifically for the sustained high-load, corrosive conditions of marine use, it protects against wear, corrosion, and deposit build-up — keeping your engine running clean between service intervals. Sold in a 4-litre container.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury 4-stroke outboard engines (all displacements requiring 4-stroke crankcase oil)\u003c\/li\u003e\n  \u003cli\u003eMerCruiser sterndrive engines (gasoline 4-stroke)\u003c\/li\u003e\n  \u003cli\u003eMariner 4-stroke outboard engines\u003c\/li\u003e\n  \u003cli\u003eVerify compatibility against your engine's serial number and current Mercury parts diagram before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eChange engine oil and filter at the interval specified in your Mercury or MerCruiser service manual — typically every \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first. Always replace the oil filter at each oil change.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use automotive 4-stroke oil instead?\u003c\/strong\u003e\u003cbr\u003eA: Not recommended. Marine engines run under sustained high load in a corrosive saltwater environment. OEM-spec marine oil contains additives specifically engineered for these conditions that automotive oils lack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this oil compatible with my older Mercury engine?\u003c\/strong\u003e\u003cbr\u003eA: This oil meets current Mercury 4-stroke specifications. Consult your service manual or the Mercury parts diagram for your specific engine serial range to confirm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What viscosity is this oil?\u003c\/strong\u003e\u003cbr\u003eA: Refer to the product label or your engine's service manual. Mercury 4-stroke outboards commonly use 25W-40 or 10W-30 depending on model year and operating temperature range.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-701\"\u003eMercury MerCruiser Quicksilver Oil Filter 822626Q15\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-768\"\u003eMercury MerCruiser Quicksilver High Performance Oil Filter 858004K\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/mercury-oil-filter-866340k01\"\u003eMercury MerCruiser Quicksilver Oil Filter 866340K01\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-931\"\u003eMercury Quicksilver Oil Filter 877761K01 – 75-150 HP FourStroke Outboard\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-932\"\u003eMercury Quicksilver Oil Filter 877769K01 – L6 Verado Outboard\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1116\"\u003eMercury MerCruiser Oil Pan Drain Plug Gasket – 8M0077608\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/mercruiser-marine-engine-parts\"\u003eBrowse all MerCruiser Marine Engine Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Routine oil changes on Mercury and MerCruiser 4-stroke engines. This is the correct OEM oil for scheduled maintenance — not a substitute or aftermarket alternative. Ideal for owners who want to maintain warranty compliance and use the fluid specified in the Mercury service manual.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon mistakes:\u003c\/strong\u003e Customers sometimes order this when they actually need gear lube for the lower unit — these are completely different products. If you're servicing the lower unit or gearcase, you need a gear lube product, not engine oil. Also confirm you need the 4-litre size; other volumes may be available. Always pair an oil change with a new oil filter.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563912790052,"sku":"8M0078634","price":64.16,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/ae3711c4-0409-4973-b866-d2d0b30f8e0e.png?v=1787255488"},{"product_id":"merc-1120","title":"Mercury 4-Stroke Engine Oil – 10W-30, 1L | Part 8M0078637","description":"\u003ch2\u003eMercury 4-Stroke Engine Oil – 10W-30 | 1 Litre\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0078637\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92-8M0078637\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOfficial Product Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Stroke Marine Engine Oil – Conventional\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eViscosity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAE 10W-30\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Litre (approx. 1.06 qt)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNMMA FC-W \u0026amp; FC-W Catalyst Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine Lubrication – Crankcase\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaged Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAbout This Oil\u003c\/h3\u003e\n\u003cp\u003eThis is the OEM-specified SAE 10W-30 4-stroke crankcase oil for Mercury FourStroke outboards and MerCruiser sterndrive engines. Its marine-specific additive package delivers corrosion resistance, shear stability, and wear protection under the sustained high-RPM and high-load conditions of marine use. NMMA FC-W and FC-W Catalyst Compatible certified. Sold in a 1-litre container.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury FourStroke outboards 2.5 HP – 150 HP requiring 10W-30 crankcase oil\u003c\/li\u003e\n  \u003cli\u003eMercury 75 HP – 115 HP EFI FourStroke outboards\u003c\/li\u003e\n  \u003cli\u003eMercury Pro XS FourStroke models\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 3.0L, 4.3L V6, 5.0L V8, 5.7L V8, and 6.2L V8 sterndrive engines\u003c\/li\u003e\n  \u003cli\u003eOther 4-stroke marine engines specifying SAE 10W-30 marine-rated oil\u003c\/li\u003e\n  \u003cli\u003eAlways verify the recommended viscosity in your engine owner's manual and against your serial number range before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eChange engine oil and filter every \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first — per the Mercury and MerCruiser service manual. Always replace the oil filter at each oil change. Do not extend intervals in saltwater or high-hour applications.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use automotive 10W-30 instead of this marine oil?\u003c\/strong\u003e\u003cbr\u003eA: Not recommended. Automotive oils lack the corrosion inhibitors and shear-stability additives required for marine environments. Using non-marine oil can void warranty coverage and accelerate internal wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My engine calls for 25W-40 — can I use this 10W-30?\u003c\/strong\u003e\u003cbr\u003eA: No. Always use the viscosity specified in your engine's service manual. If your engine requires 25W-40, see our \u003ca href=\"\/products\/merc-1122\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 1L (8M0078639)\u003c\/a\u003e or \u003ca href=\"\/products\/merc-1123\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 4L (8M0078640)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this the same as the synthetic blend 10W-30?\u003c\/strong\u003e\u003cbr\u003eA: No. This is a conventional (mineral-base) marine oil. For a synthetic blend option in 10W-30, see \u003ca href=\"\/products\/mercury-synthetic-engine-oil-10w30-8m0149203\"\u003eMercury Synthetic Blend 4-Stroke Marine Engine Oil, 10W-30, 1 Qt (8M0149203)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need more than 1 litre for a full oil change?\u003c\/strong\u003e\u003cbr\u003eA: Most Mercury 4-stroke outboards require 1.5–2.5 litres per change depending on displacement. Consider the \u003ca href=\"\/products\/merc-1128\"\u003eMercury Oil Change Kit – 15 \u0026amp; 20 HP Carbureted FourStroke (8M0081914)\u003c\/a\u003e or \u003ca href=\"\/products\/merc-1129\"\u003eMercury Oil Change Kit – 1.7L 75–115 HP EFI FourStroke (8M0081917)\u003c\/a\u003e, which include the correct quantity of oil plus a filter.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/merc-1119\"\u003eQuicksilver 4-Stroke Engine Oil – 4L (8M0078634)\u003c\/a\u003e — larger volume for multiple changes or twin-engine boats\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/merc-1122\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 1L (8M0078639)\u003c\/a\u003e — for engines specifying 25W-40\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1123\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 4L (8M0078640)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/mercury-synthetic-engine-oil-10w30-8m0149203\"\u003eMercury Synthetic Blend 4-Stroke Marine Engine Oil, 10W-30, 1 Qt (8M0149203)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-931\"\u003eMercury Quicksilver Oil Filter 877761K01 – 75–150 HP FourStroke\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-701\"\u003eMercury MerCruiser Quicksilver Oil Filter 822626Q15\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1128\"\u003eMercury Oil Change Kit – 15 \u0026amp; 20 HP Carbureted FourStroke (8M0081914)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1129\"\u003eMercury Oil Change Kit – 1.7L 75–115 HP EFI FourStroke (8M0081917)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1301\"\u003eMercury MerCruiser Oil Change Kit – V6\/V8 10W-30 (8M0187621)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/mercury-mercruiser-engine-maintenance-parts\"\u003eBrowse all Mercury MerCruiser Engine Maintenance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Routine scheduled oil changes on Mercury 4-stroke outboards and MerCruiser sterndrives that specify 10W-30. This is the correct OEM conventional oil for standard maintenance intervals — ideal for owners who want to stay within OEM spec. The 1-litre size is best for topping up between changes or for smaller single-cylinder engines; for a full change on most outboards, you'll need multiple litres or a complete oil change kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon mistakes:\u003c\/strong\u003e The most frequent error is ordering this when the engine actually requires 25W-40 — always check your owner's manual viscosity spec before purchasing. Customers also sometimes confuse this conventional oil with the synthetic blend 10W-30 (8M0149203); they are different products. Finally, always change the oil filter at the same time — ordering oil without a filter is a common oversight.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563912822820,"sku":"8M0078637","price":18.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/9fe82a65-3204-4bf9-a348-e71456fa8383.png?v=1773435690"},{"product_id":"merc-1121","title":"Mercury 4-Stroke Engine Oil – 10W-30, 4L | Part 8M0078638","description":"\u003ch2\u003eMercury 4-Stroke Engine Oil – 10W-30 | 4 Litres\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0078638\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92-8M0078638\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOfficial Product Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Stroke Marine Engine Oil – Conventional\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eViscosity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAE 10W-30\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Litres (approx. 1.06 US gallons)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNMMA FC-W \u0026amp; FC-W Catalyst Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine Lubrication – Crankcase\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaged Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 4.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAbout This Oil\u003c\/h3\u003e\n\u003cp\u003eThis is the OEM-specified SAE 10W-30 4-stroke crankcase oil for Mercury FourStroke outboards and MerCruiser sterndrive engines, sold in a 4-litre container. The same marine-specific formula as the \u003ca href=\"\/products\/merc-1120\"\u003e1L version (8M0078637)\u003c\/a\u003e, the 4L size is ideal for full oil changes on larger-displacement engines, twin-engine boats, or stocking up for a full season. NMMA FC-W and FC-W Catalyst Compatible certified.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury FourStroke outboards 2.5 HP – 150 HP requiring 10W-30 crankcase oil\u003c\/li\u003e\n  \u003cli\u003eMercury 75 HP – 150 HP EFI FourStroke outboards\u003c\/li\u003e\n  \u003cli\u003eMercury Pro XS FourStroke models\u003c\/li\u003e\n  \u003cli\u003eMercury 3.4L V6 FourStroke outboards\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 3.0L, 4.3L V6, 5.0L V8, 5.7L V8, and 6.2L V8 sterndrive engines\u003c\/li\u003e\n  \u003cli\u003eOther 4-stroke marine engines specifying SAE 10W-30 marine-rated oil\u003c\/li\u003e\n  \u003cli\u003eAlways verify the recommended viscosity in your engine owner’s manual and against your serial number range before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eChange engine oil and filter every \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first — per the Mercury and MerCruiser service manual. Always replace the oil filter at each oil change. Do not extend intervals in saltwater or high-hour applications. Most Mercury 4-stroke outboards require 1.5–2.5 litres per change; MerCruiser sterndrives typically require 4–5 litres — confirm your engine’s capacity in the service manual.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the 4L differ from the 1L (8M0078637)?\u003c\/strong\u003e\u003cbr\u003eA: Same oil, larger container. The 4L is more economical per litre and covers most full oil changes in a single bottle. The \u003ca href=\"\/products\/merc-1120\"\u003e1L (8M0078637)\u003c\/a\u003e is better for top-ups or small-displacement engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use automotive 10W-30 instead?\u003c\/strong\u003e\u003cbr\u003eA: Not recommended. Automotive oils lack the corrosion inhibitors and shear-stability additives required for marine environments. Using non-marine oil can void warranty coverage and accelerate internal wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My engine calls for 25W-40 — can I use this 10W-30?\u003c\/strong\u003e\u003cbr\u003eA: No. Always use the viscosity specified in your engine’s service manual. If your engine requires 25W-40, see our \u003ca href=\"\/products\/merc-1122\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 1L (8M0078639)\u003c\/a\u003e or \u003ca href=\"\/products\/merc-1123\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 4L (8M0078640)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this the same as the synthetic blend 10W-30?\u003c\/strong\u003e\u003cbr\u003eA: No. This is a conventional (mineral-base) marine oil. For a synthetic blend in 10W-30, see \u003ca href=\"\/products\/merc-1253\"\u003eMercury Synthetic Blend 10W-30, 1 Gallon (8M0149213)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/merc-1120\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 1L (8M0078637)\u003c\/a\u003e — smaller size for top-ups or compact engines\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1122\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 1L (8M0078639)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1123\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 4L (8M0078640)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-931\"\u003eMercury Quicksilver Oil Filter 877761K01 – 75–150 HP FourStroke\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-701\"\u003eMercury MerCruiser Quicksilver Oil Filter 822626Q15\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1128\"\u003eMercury Oil Change Kit – 15 \u0026amp; 20 HP Carbureted FourStroke (8M0081914)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1301\"\u003eMercury MerCruiser Oil Change Kit – V6\/V8 10W-30 (8M0187621)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/mercury-mercruiser-engine-maintenance-parts\"\u003eBrowse all Mercury MerCruiser Engine Maintenance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Full scheduled oil changes on Mercury 4-stroke outboards and MerCruiser sterndrives that specify 10W-30. The 4L size is the right choice for most complete oil changes — particularly MerCruiser sterndrives and larger-displacement outboards — and offers better value per litre than buying multiple 1L bottles. Also a smart buy for twin-engine boats or anyone servicing multiple engines in a season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon mistakes:\u003c\/strong\u003e Customers sometimes order the 4L when they only need a top-up and would be better served by the \u003ca href=\"\/products\/merc-1120\"\u003e1L (8M0078637)\u003c\/a\u003e. The most frequent error is ordering 10W-30 when the engine actually requires 25W-40 — always check the owner’s manual viscosity spec first. Always replace the oil filter at the same time; ordering oil without a filter is a common oversight. Do not confuse this conventional oil with the synthetic blend versions (8M0149213).\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563912855588,"sku":"8M0078638","price":65.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/76600462-a7bd-4fda-bcb3-c43ac9768c26.png?v=1773435434"},{"product_id":"merc-1122","title":"Mercury 4-Stroke Marine Engine Oil – 25W-40, 1L | Part 8M0078639","description":"\u003ch2\u003eMercury 4-Stroke Marine Engine Oil – 25W-40 | 1 Litre\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0078639\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92-8M0078639\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOfficial Product Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Stroke Marine Engine Oil – Synthetic Blend\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eViscosity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAE 25W-40\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Litre (approx. 1.06 qt)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNMMA FC-W \u0026amp; FC-W Catalyst Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine Lubrication – Crankcase\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaged Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAbout This Oil\u003c\/h3\u003e\n\u003cp\u003eThis is the OEM-specified SAE 25W-40 4-stroke crankcase oil for Mercury FourStroke outboards and MerCruiser sterndrive engines — the standard viscosity for the majority of Mercury and MerCruiser 4-stroke engines. Its marine-specific synthetic blend additive package delivers corrosion resistance, shear stability, and wear protection under the sustained high-RPM and high-load conditions of marine use. NMMA FC-W and FC-W Catalyst Compatible certified, making it safe for catalytic converter-equipped engines. Sold in a 1-litre container.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury FourStroke outboards 2.5 HP – 400 HP requiring 25W-40 crankcase oil\u003c\/li\u003e\n  \u003cli\u003eMercury Pro XS FourStroke outboards\u003c\/li\u003e\n  \u003cli\u003eMercury Verado FourStroke outboards\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 3.0L, 4.3L V6, 5.0L V8, 5.7L V8, 6.2L V8, 7.4L V8, and 8.2L V8 sterndrive and inboard engines\u003c\/li\u003e\n  \u003cli\u003eAny 4-stroke marine engine where SAE 25W-40 is specified\u003c\/li\u003e\n  \u003cli\u003eAlways verify the recommended viscosity in your engine owner’s manual and against your serial number range before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eChange engine oil and filter every \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first — per the Mercury and MerCruiser service manual. Always replace the oil filter at each oil change. Do not extend intervals in saltwater or high-hour applications. Most Mercury 4-stroke outboards require 1.5–2.5 litres per change; larger MerCruiser sterndrives typically require 4–5 litres — confirm your engine’s capacity in the service manual.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use automotive 25W-40 instead of this marine oil?\u003c\/strong\u003e\u003cbr\u003eA: No. Automotive oils lack the marine-specific corrosion inhibitors and FC-W certification required for boat engines. Using automotive oil can void your warranty and accelerate internal corrosion, particularly in engines that sit with moisture exposure between uses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My engine calls for 25W-40 — is this the right oil?\u003c\/strong\u003e\u003cbr\u003eA: Yes, for most Mercury and MerCruiser 4-stroke engines. Confirm in your owner’s manual — some newer models specify 10W-30 or 25W-50 instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How much oil does my engine take?\u003c\/strong\u003e\u003cbr\u003eA: Capacity varies by engine. Refer to your owner’s manual for the correct fill volume and always check the dipstick after filling. For most full oil changes, the \u003ca href=\"\/products\/merc-1123\"\u003e4L size (8M0078640)\u003c\/a\u003e is more economical than multiple 1L bottles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What’s the difference between this and the 10W-30 version?\u003c\/strong\u003e\u003cbr\u003eA: Viscosity grade. Most Mercury and MerCruiser 4-stroke engines specify 25W-40; some smaller-displacement or newer models specify 10W-30. Always follow your engine’s service manual. See our \u003ca href=\"\/products\/merc-1120\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 1L (8M0078637)\u003c\/a\u003e if your engine requires 10W-30.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is there a higher-performance option?\u003c\/strong\u003e\u003cbr\u003eA: Yes. For high-performance or racing applications, see the \u003ca href=\"\/products\/mercury-4-stroke-high-performance-oil-quart-8m0078013\"\u003eMercury 4-Stroke High Performance Engine Oil – 25W-50, 1 Qt (8M0078013)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/merc-1123\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 4L (8M0078640)\u003c\/a\u003e — larger size for full oil changes\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/merc-1120\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 1L (8M0078637)\u003c\/a\u003e — for engines specifying 10W-30\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1121\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 4L (8M0078638)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/mercury-4-stroke-high-performance-oil-quart-8m0078013\"\u003eMercury 4-Stroke High Performance Engine Oil – 25W-50, 1 Qt (8M0078013)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-931\"\u003eMercury Quicksilver Oil Filter 877761K01 – 75–150 HP FourStroke\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-932\"\u003eMercury Quicksilver Oil Filter 877769K01 – L6 Verado Outboard\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-701\"\u003eMercury MerCruiser Quicksilver Oil Filter 822626Q15\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-518\"\u003eMercury MerCruiser Quicksilver Oil Filter Wrench 802653K02\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1128\"\u003eMercury Oil Change Kit – 15 \u0026amp; 20 HP Carbureted FourStroke (8M0081914)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/mercury-mercruiser-engine-maintenance-parts\"\u003eBrowse all Mercury MerCruiser Engine Maintenance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Routine scheduled oil changes on Mercury 4-stroke outboards and MerCruiser sterndrives that specify 25W-40 — which covers the majority of Mercury’s 4-stroke lineup. This is the go-to viscosity for most Mercury marine engines. The 1L size is best for topping up between changes or for smaller engines with low oil capacity; for a full change on most outboards or sterndrives, the \u003ca href=\"\/products\/merc-1123\"\u003e4L (8M0078640)\u003c\/a\u003e is more economical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon mistakes:\u003c\/strong\u003e The most frequent error is using an automotive 25W-40 because the viscosity matches — marine engines require FC-W certified oil with a corrosion inhibitor package that automotive oils don’t include. Customers also sometimes order 25W-40 when their engine actually specifies 10W-30 (common on smaller-displacement or newer Mercury outboards) — always check the owner’s manual first. Always replace the oil filter at the same time; ordering oil without a filter is a common oversight.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563912888356,"sku":"8M0078639","price":16.91,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/c0acb96a-0841-49d8-a83a-7c5ce987620f.png?v=1773435244"},{"product_id":"merc-1123","title":"Mercury 4-Stroke Marine Engine Oil – 25W-40, 4L | Part 8M0078640","description":"\u003ch2\u003eMercury 4-Stroke Marine Engine Oil – 25W-40 | 4 Litres\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0078640\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92-8M0078640\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOfficial Product Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Stroke Marine Engine Oil – Synthetic Blend\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eViscosity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAE 25W-40\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Litres (approx. 1.06 US gallons)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNMMA FC-W \u0026amp; FC-W Catalyst Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine Lubrication – Crankcase\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackaged Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 4.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAbout This Oil\u003c\/h3\u003e\n\u003cp\u003eThis is the OEM-specified SAE 25W-40 4-stroke crankcase oil for Mercury FourStroke outboards and MerCruiser sterndrive engines, sold in a 4-litre container. The 25W-40 grade is the standard viscosity for the majority of Mercury and MerCruiser 4-stroke engines. The synthetic blend formula delivers superior wear protection, corrosion resistance, and viscosity stability under the sustained high-RPM and high-load conditions of marine use. NMMA FC-W and FC-W Catalyst Compatible certified — safe for catalytic converter-equipped engines. The 4L size covers most single-engine outboard or sterndrive oil changes in a single jug.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury FourStroke outboards 2.5 HP – 400 HP requiring 25W-40 crankcase oil\u003c\/li\u003e\n  \u003cli\u003eMercury Pro XS FourStroke outboards\u003c\/li\u003e\n  \u003cli\u003eMercury Verado FourStroke outboards\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 3.0L, 4.3L V6, 5.0L V8, 5.7L V8, 6.2L V8, 7.4L V8, and 8.2L V8 sterndrive and inboard engines\u003c\/li\u003e\n  \u003cli\u003eAny 4-stroke marine engine where SAE 25W-40 is specified\u003c\/li\u003e\n  \u003cli\u003eAlways verify the recommended viscosity in your engine owner’s manual and against your serial number range before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eChange engine oil and filter every \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first — per the Mercury and MerCruiser service manual. Always replace the oil filter at each oil change. Do not extend intervals in saltwater or high-hour applications. Most Mercury 4-stroke outboards require 2.5–4L per change; larger MerCruiser sterndrives may require more — confirm your engine’s capacity in the service manual.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does this differ from the 1L version (8M0078639)?\u003c\/strong\u003e\u003cbr\u003eA: Same oil, larger container. The 4L jug covers most single-engine oil changes in one bottle and is more economical per litre. The \u003ca href=\"\/products\/merc-1122\"\u003e1L (8M0078639)\u003c\/a\u003e is better for top-ups or small-displacement engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use automotive 25W-40 instead?\u003c\/strong\u003e\u003cbr\u003eA: No. Automotive oils lack the marine-specific corrosion inhibitors and FC-W certification required for boat engines. Using automotive oil can void your warranty and accelerate internal corrosion, particularly in engines that sit with moisture exposure between uses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What if my engine specifies 10W-30 or 25W-50?\u003c\/strong\u003e\u003cbr\u003eA: Use the viscosity specified in your owner’s manual. For 10W-30 see our \u003ca href=\"\/products\/merc-1121\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 4L (8M0078638)\u003c\/a\u003e. For 25W-50 high-performance applications see the \u003ca href=\"\/products\/mercury-4-stroke-high-performance-oil-quart-8m0078013\"\u003eMercury 25W-50 High Performance Oil (8M0078013)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this FC-W Catalyst Compatible?\u003c\/strong\u003e\u003cbr\u003eA: Yes — safe for use in engines equipped with catalytic converters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is there a higher-spec synthetic blend version?\u003c\/strong\u003e\u003cbr\u003eA: Yes. See the \u003ca href=\"\/products\/merc-1125\"\u003eMercury 4-Stroke Synthetic Blend Engine Oil – 25W-40, 4L (8M0078642)\u003c\/a\u003e for a higher-spec synthetic blend option.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/merc-1122\"\u003eMercury 4-Stroke Marine Engine Oil – 25W-40, 1L (8M0078639)\u003c\/a\u003e — smaller size for top-ups\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1120\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 1L (8M0078637)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1121\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 4L (8M0078638)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1125\"\u003eMercury 4-Stroke Synthetic Blend Engine Oil – 25W-40, 4L (8M0078642)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/mercury-4-stroke-high-performance-oil-quart-8m0078013\"\u003eMercury 4-Stroke High Performance Engine Oil – 25W-50, 1 Qt (8M0078013)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-931\"\u003eMercury Quicksilver Oil Filter 877761K01 – 75–150 HP FourStroke\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-932\"\u003eMercury Quicksilver Oil Filter 877769K01 – L6 Verado Outboard\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-701\"\u003eMercury MerCruiser Quicksilver Oil Filter 822626Q15\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-518\"\u003eMercury MerCruiser Quicksilver Oil Filter Wrench 802653K02\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1129\"\u003eMercury Oil Change Kit – 1.7L 75–115 HP EFI FourStroke (8M0081917)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1160\"\u003eMercury Quicksilver 100-Hour Service Kit (8M0094232)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/merc-1167\"\u003eMercury Quicksilver 100-Hour Service Kit (8M0097854)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/mercury-mercruiser-engine-maintenance-parts\"\u003eBrowse all Mercury MerCruiser Engine Maintenance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Full scheduled oil changes on Mercury 4-stroke outboards and MerCruiser sterndrives that specify 25W-40 — the most common viscosity across Mercury’s 4-stroke lineup. The 4L jug is the right buy for most single-engine services: most Mercury 4-stroke outboards take 2.5–4L per change, so one jug typically covers a complete service with minimal waste. Also the economical choice for twin-engine boats or anyone servicing multiple engines in a season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon mistakes:\u003c\/strong\u003e The most frequent error is substituting automotive 25W-40 because the viscosity matches — marine engines require FC-W certified oil with a corrosion inhibitor package that automotive oils don’t include. Customers also sometimes order 25W-40 when their engine specifies 10W-30 (common on smaller-displacement or newer Mercury outboards) or 25W-50 (high-performance applications) — always check the owner’s manual first. Always replace the oil filter at the same time; ordering oil without a filter is a common oversight that leads to an incomplete service.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563912921124,"sku":"8M0078640","price":65.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/0199dd66-fc34-43e2-a61c-06c73909aaf2.png?v=1773434800"},{"product_id":"mercury-4-stroke-synthetic-blend-engine-oil-25w-40-4l-8m0078642","title":"Mercury 4-Stroke Synthetic Blend Engine Oil – 25W-40, 4L | 8M0078642","description":"\u003ch2\u003eMercury 4-Stroke Synthetic Blend Engine Oil – SAE 25W-40, 4L\u003c\/h2\u003e\n\n\u003cp\u003eThe OEM-specified SAE 25W-40 synthetic blend 4-stroke engine oil for Mercury outboard, MerCruiser sterndrive, and Mercury inboard engines, sold in a 4-litre container. The synthetic blend formula delivers improved film strength, better viscosity stability across temperature extremes, and enhanced protection during cold starts and sustained high-load operation compared to conventional marine oil. NMMA FC-W and FC-W Catalyst Compatible certified. Directly supersedes earlier part number 858053KC1.\u003c\/p\u003e\n\n\u003ch3\u003ePart Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8M0078642\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Reference:\u003c\/strong\u003e 92-8M0078642\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mercury Marine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e 858053KC1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e 4-Stroke Marine Engine Oil – Synthetic Blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e SAE 25W-40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 4 Litres (approx. 1.06 US gallons)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e NMMA FC-W \u0026amp; FC-W Catalyst Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Engine lubrication – crankcase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury FourStroke outboards requiring 25W-40 crankcase oil (all displacements)\u003c\/li\u003e\n\u003cli\u003eMercury Pro XS FourStroke outboards\u003c\/li\u003e\n\u003cli\u003eMercury Verado FourStroke outboards\u003c\/li\u003e\n\u003cli\u003eMerCruiser sterndrive engines – 3.0L, 4.3L V6, 5.0L V8, 5.7L V8, 6.2L V8, 7.4L V8, 8.2L V8\u003c\/li\u003e\n\u003cli\u003eMercury Marine 4-stroke inboard engines\u003c\/li\u003e\n\u003cli\u003eAny 4-stroke marine engine where SAE 25W-40 synthetic blend is specified — always confirm in your engine owner’s manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSupersession Note\u003c\/h3\u003e\n\u003cp\u003ePart number 8M0078642 is the current active part number and directly supersedes \u003cstrong\u003e858053KC1\u003c\/strong\u003e. If your parts diagram or service manual references 858053KC1, order 8M0078642.\u003c\/p\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eChange engine oil and filter every \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first — per the Mercury and MerCruiser service manual. Always replace the oil filter at each oil change. Most Mercury 4-stroke outboards in the 75–200 HP range require 3–4 litres per change; confirm your engine’s capacity in the service manual.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat’s the difference between this synthetic blend and the conventional 25W-40 (\u003ca href=\"\/products\/mercury-4-stroke-marine-engine-oil-25w-40-4l-part-8m0078640\"\u003e8M0078640\u003c\/a\u003e)?\u003c\/strong\u003e Same viscosity grade, higher-quality base oil. The synthetic blend offers improved film strength, better cold-start protection, and greater viscosity stability under heat compared to the conventional formula.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs there a full-synthetic version?\u003c\/strong\u003e Yes — see the \u003ca href=\"\/products\/mercury-4-stroke-full-synthetic-marine-engine-oil-25w-40-1l-8m0078641\"\u003eMercury 25W-40 Full Synthetic 4-Stroke Oil – 1L (8M0078641)\u003c\/a\u003e for the full-synthetic option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I use automotive 25W-40 instead?\u003c\/strong\u003e No. Automotive oils lack the marine-specific corrosion inhibitors and FC-W certification required for boat engines. Using automotive oil can void your warranty and accelerate internal corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMy parts diagram shows 858053KC1 — is this the right replacement?\u003c\/strong\u003e Yes. 8M0078642 directly supersedes 858053KC1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat if my engine specifies 10W-30?\u003c\/strong\u003e Use the viscosity in your owner’s manual. See the \u003ca href=\"\/products\/mercury-4-stroke-engine-oil-10w-30-4l-part-8m0078638\"\u003eMercury 10W-30 Engine Oil – 4L (8M0078638)\u003c\/a\u003e for that grade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mercury-4-stroke-marine-engine-oil-25w-40-4l-part-8m0078640\"\u003eMercury 4-Stroke Engine Oil – 25W-40, 4L (8M0078640)\u003c\/a\u003e — conventional formula\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mercury-4-stroke-marine-engine-oil-25w-40-1l-part-8m0078639\"\u003eMercury 4-Stroke Engine Oil – 25W-40, 1L (8M0078639)\u003c\/a\u003e — 1L synthetic blend\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-4-stroke-full-synthetic-marine-engine-oil-25w-40-1l-8m0078641\"\u003eMercury 4-Stroke Full Synthetic Engine Oil – 25W-40, 1L (8M0078641)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-4-stroke-engine-oil-10w-30-1l-part-8m0078637\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 1L (8M0078637)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-4-stroke-engine-oil-10w-30-4l-part-8m0078638\"\u003eMercury 4-Stroke Engine Oil – 10W-30, 4L (8M0078638)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-4-stroke-high-performance-engine-oil-25w-50-1-qt-8m0078013\"\u003eMercury 4-Stroke High Performance Engine Oil – 25W-50, 1 Qt (8M0078013)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-oil-filter-877761k01-75-150-hp-fourstroke-outboard\"\u003eMercury Quicksilver Oil Filter 877761K01 – 75–150 HP FourStroke\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-oil-filter-877769k01-l6-verado-outboard\"\u003eMercury Quicksilver Oil Filter 877769K01 – L6 Verado\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-100-hour-service-kit-8m0094232\"\u003eMercury Quicksilver 100-Hour Service Kit 8M0094232\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-100-hour-service-kit-8m0097854\"\u003eMercury Quicksilver 100-Hour Service Kit 8M0097854\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/mercury-mercruiser-engine-maintenance-parts\"\u003eBrowse all Mercury MerCruiser Engine Maintenance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003eThe 4L synthetic blend is the right choice for a complete single-engine oil change on most Mercury 4-stroke outboards and MerCruiser sterndrives that specify 25W-40 — particularly engines in the 75–200 HP range that typically require 3–4 litres per service. The synthetic blend formula is the practical step up for customers who want better protection than conventional oil without the cost of full synthetic: well-suited for saltwater use, high-hour engines, or boats that sit for extended periods between uses.\u003c\/p\u003e\n\u003cp\u003eThe most common customer mistake is selecting oil based on viscosity alone without confirming the correct formula for their engine — Mercury offers conventional, synthetic blend, and full synthetic in 25W-40, and the right choice depends on the engine model and Mercury’s current recommendation for that serial range. Always cross-reference with the Mercury parts diagram and owner’s manual. Always replace the oil filter at the same time as the oil — see the \u003ca href=\"\/products\/mercury-quicksilver-oil-filter-877761k01-75-150-hp-fourstroke-outboard\"\u003e877761K01 filter\u003c\/a\u003e for most 75–150 HP FourStroke outboards.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563912986660,"sku":"8M0078642","price":84.91,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/8M0078642.png?v=1771539888"},{"product_id":"merc-1233","title":"Mercury MerCruiser Synthetic 10W-30 Oil 1L 8M0142141","description":"\u003cp data-start=\"42\" data-end=\"330\"\u003eMaintain proper lubrication and engine protection with the \u003cstrong data-start=\"101\" data-end=\"157\"\u003eMercury MerCruiser Synthetic 10W-30 Oil 1L 8M0142141\u003c\/strong\u003e. This genuine Mercury Marine OEM synthetic blend engine oil is specifically formulated for marine 4-stroke engines operating in harsh environments and high-load conditions.\u003c\/p\u003e\n\u003cp data-start=\"332\" data-end=\"758\"\u003eThe advanced synthetic blend formula provides excellent resistance to viscosity breakdown, helping maintain consistent lubrication even at high RPM and elevated temperatures. Mercury’s specialized additive package includes advanced corrosion inhibitors and wear protection designed specifically for marine engines, ensuring reliable performance both during operation and seasonal storage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"760\" data-end=\"772\"\u003eKey Features\u003c\/p\u003e\n\u003cul data-start=\"774\" data-end=\"1250\"\u003e\n\u003cli data-section-id=\"j4m9o7\" data-start=\"774\" data-end=\"822\"\u003e\n\u003cp data-start=\"776\" data-end=\"822\"\u003eGenuine Mercury Marine OEM marine engine oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1k2p253\" data-start=\"823\" data-end=\"869\"\u003e\n\u003cp data-start=\"825\" data-end=\"869\"\u003eSAE \u003cstrong data-start=\"829\" data-end=\"867\"\u003e10W-30 synthetic blend formulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sr9ees\" data-start=\"870\" data-end=\"927\"\u003e\n\u003cp data-start=\"872\" data-end=\"927\"\u003eDesigned specifically for \u003cstrong data-start=\"898\" data-end=\"925\"\u003e4-stroke marine engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wygyvt\" data-start=\"928\" data-end=\"997\"\u003e\n\u003cp data-start=\"930\" data-end=\"997\"\u003eProvides strong resistance to viscosity breakdown under high load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"118tqyc\" data-start=\"998\" data-end=\"1053\"\u003e\n\u003cp data-start=\"1000\" data-end=\"1053\"\u003eAdvanced corrosion inhibitors exceed FC-W standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13jf6bk\" data-start=\"1054\" data-end=\"1181\"\u003e\n\u003cp data-start=\"1056\" data-end=\"1181\"\u003eProvides up to \u003cstrong data-start=\"1071\" data-end=\"1111\"\u003e33% greater camshaft wear protection\u003c\/strong\u003e compared to other marine oils \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y9phyp\" data-start=\"1182\" data-end=\"1250\"\u003e\n\u003cp data-start=\"1184\" data-end=\"1250\"\u003eIdeal for both regular operation and seasonal storage protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1252\" data-end=\"1264\"\u003ePart Details\u003c\/p\u003e\n\u003cp data-start=\"1266\" data-end=\"1378\"\u003eOEM Part Number: 8M0142141\u003cbr data-start=\"1292\" data-end=\"1295\"\u003eMercury Reference Number: 92-8M0142141\u003cbr data-start=\"1333\" data-end=\"1336\"\u003eProduct Type: 4-Stroke marine engine oil\u003c\/p\u003e\n\u003cp data-start=\"1380\" data-end=\"1490\"\u003eViscosity: SAE 10W-30\u003cbr data-start=\"1401\" data-end=\"1404\"\u003eOil Type: Synthetic blend marine engine oil\u003cbr data-start=\"1447\" data-end=\"1450\"\u003eContainer Size: 1 Quart (946 ml \/ ~1L)\u003c\/p\u003e\n\u003cp data-start=\"1492\" data-end=\"1530\"\u003eTypical Packaging: Individual bottle\u003c\/p\u003e\n\u003cp data-start=\"1532\" data-end=\"1571\"\u003eCompatible Mercury \u0026amp; MerCruiser Engines\u003c\/p\u003e\n\u003cp data-start=\"1573\" data-end=\"1650\"\u003eDesigned for \u003cstrong data-start=\"1586\" data-end=\"1638\"\u003e4-stroke marine engines requiring SAE 10W-30 oil\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cp data-start=\"1652\" data-end=\"1669\"\u003eMercury Outboards\u003c\/p\u003e\n\u003cul data-start=\"1671\" data-end=\"1933\"\u003e\n\u003cli data-section-id=\"903s53\" data-start=\"1671\" data-end=\"1717\"\u003e\n\u003cp data-start=\"1673\" data-end=\"1717\"\u003eMercury 4-Stroke outboards up to \u003cstrong data-start=\"1706\" data-end=\"1715\"\u003e150HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1k27ce9\" data-start=\"1718\" data-end=\"1764\"\u003e\n\u003cp data-start=\"1720\" data-end=\"1764\"\u003eMercury \u003cstrong data-start=\"1728\" data-end=\"1739\"\u003e3.4L V6\u003c\/strong\u003e outboards (175–225 HP)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sbeu4t\" data-start=\"1765\" data-end=\"1811\"\u003e\n\u003cp data-start=\"1767\" data-end=\"1811\"\u003eMercury \u003cstrong data-start=\"1775\" data-end=\"1786\"\u003e4.6L V8\u003c\/strong\u003e outboards (200–300 HP)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ra49zz\" data-start=\"1812\" data-end=\"1933\"\u003e\n\u003cp data-start=\"1814\" data-end=\"1933\"\u003eMercury \u003cstrong data-start=\"1822\" data-end=\"1832\"\u003ePro XS\u003c\/strong\u003e, \u003cstrong data-start=\"1834\" data-end=\"1844\"\u003eVerado\u003c\/strong\u003e, and \u003cstrong data-start=\"1850\" data-end=\"1860\"\u003eSeaPro\u003c\/strong\u003e models where 10W-30 is specified \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1935\" data-end=\"1953\"\u003eMerCruiser Engines\u003c\/p\u003e\n\u003cul data-start=\"1955\" data-end=\"2054\"\u003e\n\u003cli data-section-id=\"1obrcoa\" data-start=\"1955\" data-end=\"2054\"\u003e\n\u003cp data-start=\"1957\" data-end=\"2054\"\u003eMerCruiser \u003cstrong data-start=\"1968\" data-end=\"2020\"\u003e4-stroke gasoline inboard and sterndrive engines\u003c\/strong\u003e requiring SAE 10W-30 marine oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2056\" data-end=\"2126\"\u003eAlways follow the engine manufacturer’s recommended oil specification.\u003c\/p\u003e\n\u003cp data-start=\"2128\" data-end=\"2136\"\u003eFunction\u003c\/p\u003e\n\u003cp data-start=\"2138\" data-end=\"2393\"\u003eMarine engine oil lubricates internal engine components while helping manage heat, friction, and corrosion. The specialized additive package in Mercury marine oil is designed specifically for the higher loads and moisture exposure found in marine engines.\u003c\/p\u003e\n\u003cp data-start=\"2395\" data-end=\"2430\"\u003eUsing the correct marine oil helps:\u003c\/p\u003e\n\u003cul data-start=\"2432\" data-end=\"2608\"\u003e\n\u003cli data-section-id=\"ns0dsx\" data-start=\"2432\" data-end=\"2480\"\u003e\n\u003cp data-start=\"2434\" data-end=\"2480\"\u003eProtect internal engine components from wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"tdyht8\" data-start=\"2481\" data-end=\"2527\"\u003e\n\u003cp data-start=\"2483\" data-end=\"2527\"\u003eMaintain proper lubrication under high RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ibhrn1\" data-start=\"2528\" data-end=\"2563\"\u003e\n\u003cp data-start=\"2530\" data-end=\"2563\"\u003eReduce thermal breakdown of oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ci7337\" data-start=\"2564\" data-end=\"2608\"\u003e\n\u003cp data-start=\"2566\" data-end=\"2608\"\u003ePrevent corrosion in marine environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2610\" data-end=\"2638\"\u003eImportant Compatibility Note\u003c\/p\u003e\n\u003cp data-start=\"2640\" data-end=\"2842\"\u003eMarine engines require oils that meet \u003cstrong data-start=\"2678\" data-end=\"2717\"\u003eFC-W marine certification standards\u003c\/strong\u003e. Always verify the correct oil viscosity and specification in your \u003cstrong data-start=\"2785\" data-end=\"2830\"\u003eengine owner’s manual or by serial number\u003c\/strong\u003e before use.\u003c\/p\u003e\n\u003cp data-start=\"2844\" data-end=\"2880\"\u003eCross-Stock \/ Reference Part Numbers\u003c\/p\u003e\n\u003cul data-start=\"2882\" data-end=\"2968\"\u003e\n\u003cli data-section-id=\"1ft93jx\" data-start=\"2882\" data-end=\"2928\"\u003e\n\u003cp data-start=\"2884\" data-end=\"2928\"\u003eMercury Reference Number: \u003cstrong data-start=\"2910\" data-end=\"2926\"\u003e92-8M0142141\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"w5w517\" data-start=\"2929\" data-end=\"2968\"\u003e\n\u003cp data-start=\"2931\" data-end=\"2968\"\u003eGallon Size Equivalent: \u003cstrong data-start=\"2955\" data-end=\"2968\"\u003e8M0142151\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2970\" data-end=\"3035\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563921113124,"sku":"8M0142141","price":29.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/c89554e1-9ff0-4ccb-93e8-d5f5acdaab42.png?v=1773450364"},{"product_id":"mercury-synthetic-engine-oil-10w30-8m0149203","title":"Mercury Synthetic Blend 4-Stroke Marine Engine Oil, 10W-30, 1 Qt – 8M0149203","description":"\u003ch2\u003eMercury Synthetic Blend 4-Stroke Marine Engine Oil – 10W-30, 1 Quart\u003c\/h2\u003e\u003cp\u003eKeep your Mercury 4-stroke outboard protected with this genuine Mercury Marine synthetic blend engine oil. Formulated specifically for marine 4-stroke applications, it delivers corrosion protection, shear strength, and viscosity retention designed for the high-rpm, high-load demands of outboard operation — including humid, salty, and seasonal storage conditions where standard automotive oils fall short.\u003c\/p\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMercury 4-stroke outboards up to 150 HP where 10W-30 is specified\u003c\/li\u003e\n\u003cli\u003eMercury 3.4L V6 4-stroke outboards where 10W-30 is called for\u003c\/li\u003e\n\u003cli\u003eMercury 4.6L V8 4-stroke outboards where 10W-30 is called for\u003c\/li\u003e\n\u003cli\u003eAlways confirm the required oil grade in your engine’s owner’s manual or service manual using your exact model and serial number\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePart Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 8M0149203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mercury Marine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Synthetic blend 4-stroke marine engine oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e 10W-30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 1 Quart (946 mL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e Synthetic blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury 4-stroke outboard engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New OEM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eService Interval\u003c\/h3\u003e\u003cp\u003eUse during routine oil changes on applicable Mercury 4-stroke outboard engines. Mercury recommends oil changes at \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first. Always replace the oil filter at the same time. Refer to your engine’s service manual for the exact interval and capacity for your model.\u003c\/p\u003e\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I use automotive 10W-30 instead?\u003c\/strong\u003e No. Marine engine oils contain corrosion inhibitors and additives not found in automotive oils. Mercury specifically recommends marine-grade oil to protect against the unique demands of marine operation, including moisture exposure and extended storage periods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow much oil does my engine take?\u003c\/strong\u003e Capacity varies by engine model. Check your owner’s manual or service manual for the exact oil capacity and fill procedure for your specific engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs this the same as 8M0149213?\u003c\/strong\u003e No — 8M0149213 is the 1-gallon (3.78L) size of the same 10W-30 synthetic blend formula. See the \u003ca href=\"\/products\/mercury-4-stroke-synthetic-blend-marine-oil-10w-30-1-gallon-8m0149213\"\u003e1-gallon listing\u003c\/a\u003e for bulk purchases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat oil filter do I need?\u003c\/strong\u003e Filter fitment varies by engine. See our Mercury oil filter listings and confirm by model and serial number.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRelated Parts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-4-stroke-synthetic-blend-marine-oil-10w-30-1-gallon-8m0149213\"\u003eMercury Synthetic Blend 10W-30, 1 Gallon – 8M0149213\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-oil-filter-877761k01\"\u003eMercury Quicksilver Oil Filter – 877761K01\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-oil-filter-877769k01\"\u003eMercury Quicksilver Oil Filter – 877769K01\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-oil-change-kit-8m0081917\"\u003eMercury Quicksilver Oil Change Kit – 8M0081917\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-oil-change-kit-8m0081914\"\u003eMercury Quicksilver Oil Change Kit – 8M0081914\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-quicksilver-100-hour-service-kit-8m0094232\"\u003eMercury Quicksilver 100-Hour Service Kit – 8M0094232\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-4-stroke-outboard-oil-drain-screw-washer-12-803516\"\u003eMercury 4-Stroke Oil Drain Screw Washer – 12-803516\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eThe most common mistake with outboard oil changes is using automotive oil instead of a marine-specific formula. Marine engines run at sustained high RPM, often in humid or salty environments, and sit idle for months during off-season storage — conditions that demand the corrosion inhibitors and shear-stable additives found in marine-grade oil. The 10W-30 grade is Mercury’s spec for most of their mid-range 4-stroke outboards, but always verify against your specific engine model and serial number before purchasing — some engines in the same horsepower range call for a different viscosity. If you’re doing a full service, pair this oil with the correct oil filter and a new drain screw washer to complete the job properly.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563921801252,"sku":"8M0149203","price":18.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/138ab1fe-15e4-4683-8d3c-871257bfe86e.png?v=1775781726"},{"product_id":"merc-1253","title":"Mercury 10W-30 4-Stroke Synthetic Blend Marine Engine Oil – 1 Gallon | 8M0149213","description":"\u003ch2\u003eMercury 10W-30 4-Stroke Synthetic Blend Marine Engine Oil – 1 Gallon\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8M0149213\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mercury Marine\u003cbr\u003e\n\u003cstrong\u003eOfficial Product Type:\u003c\/strong\u003e Marine Engine Oil – SAE 10W-30 Synthetic Blend, 4-Stroke\u003cbr\u003e\n\u003cstrong\u003ePackage Size:\u003c\/strong\u003e 1 US Gallon (3.785 L)\u003c\/p\u003e\n\n\u003ch3\u003eAbout This Oil\u003c\/h3\u003e\n\u003cp\u003eThis is a genuine Mercury OEM synthetic blend 4-stroke marine engine oil engineered for high-temperature, high-RPM outboard operation. It delivers industry-leading viscosity retention under sustained load and uses advanced corrosion inhibitors to protect internal engine components from the harsh marine environment — salt, moisture, and heat cycles that land-based oils aren't built for.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 3.4L V6 FourStroke outboards (150–200 HP)\u003c\/li\u003e\n\u003cli\u003eMercury 4.6L V8 FourStroke outboards (200–300 HP)\u003c\/li\u003e\n\u003cli\u003eMercury FourStroke outboards up to 150 HP where SAE 10W-30 is specified in the owner's manual\u003c\/li\u003e\n\u003cli\u003eAny Mercury 4-stroke outboard engine whose service manual calls for SAE 10W-30 marine engine oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eAlways confirm the correct viscosity grade in your engine's owner's manual or service manual before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eSerial Number \/ Fitment Note\u003c\/h3\u003e\n\u003cp\u003eEngine oil is selected by \u003cstrong\u003eviscosity specification and engine family\u003c\/strong\u003e, not by serial number. If your engine's manual calls for SAE 10W-30 4-stroke marine oil, this product is the correct Mercury OEM choice. Serial number ranges do not apply to lubricant selection.\u003c\/p\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eReplace engine oil and filter per Mercury's recommended service schedule — typically every \u003cstrong\u003e100 hours or annually\u003c\/strong\u003e, whichever comes first. Refer to your engine's service manual for the exact interval and capacity for your model.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury OEM formulation — not an aftermarket substitute\u003c\/li\u003e\n\u003cli\u003eSAE 10W-30 synthetic blend for broad temperature range performance\u003c\/li\u003e\n\u003cli\u003eEngineered for high-RPM, high-output marine 4-stroke engines\u003c\/li\u003e\n\u003cli\u003eAdvanced corrosion inhibitors protect against salt water and moisture\u003c\/li\u003e\n\u003cli\u003eMaintains viscosity under sustained wide-open-throttle operation\u003c\/li\u003e\n\u003cli\u003eProduced to Mercury Marine OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSupersedes \/ Related Part Numbers\u003c\/h3\u003e\n\u003cp\u003e8M0149213 is the current Mercury-branded 1-gallon SKU for this 10W-30 synthetic blend oil. Related package formats (quart, case) carry different part numbers. No supersession data is currently published for this SKU.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use automotive 10W-30 instead?\u003c\/strong\u003e\u003cbr\u003e\nNo. Automotive oils contain friction modifiers that can damage marine engine components and do not meet Mercury's corrosion-protection requirements for saltwater use. Always use a marine-rated oil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this compatible with MerCruiser stern drives?\u003c\/strong\u003e\u003cbr\u003e\nThis oil is formulated for Mercury 4-stroke outboards. MerCruiser stern drives use a different oil specification — consult your MerCruiser service manual.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix this with other brands of 10W-30 marine oil?\u003c\/strong\u003e\u003cbr\u003e\nMercury recommends using their OEM oil exclusively. Mixing oils from different manufacturers is not recommended as additive packages may be incompatible.\u003c\/p\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This is the go-to oil for customers performing routine annual or 100-hour service on Mercury V6 and V8 FourStroke outboards. It's also the correct choice for any Mercury 4-stroke where the manual specifies 10W-30 — a very common spec across the lineup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon mistakes:\u003c\/strong\u003e Customers sometimes order this for a MerCruiser stern drive or a 2-stroke outboard — neither application is correct. Also watch for customers ordering the quart size when they need a full gallon for a larger engine's oil capacity; confirm the engine's oil capacity before ordering quantity.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563921834020,"sku":"8M0149213","price":69.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/92-8M0142151__74673.jpg?v=1773341011"},{"product_id":"mercury-high-performance-gear-lube-8m0222055-5-gallon","title":"Mercury High Performance Gear Lube 8M0222055 - 5 Gallon Pail","description":"\u003cp\u003ePremium Mercury High Performance gear lubricant in a convenient 5-gallon pail for marine lower unit and gear case protection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8M0222055\u003c\/p\u003e\n\n\u003cp\u003eThis genuine Mercury High Performance gear lube delivers superior protection for your marine drive's gears, bearings, and seals. Formulated specifically for marine applications, this premium lubricant provides exceptional wear protection, corrosion resistance, and thermal stability in demanding saltwater environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury OEM gear lubricant\u003c\/li\u003e\n\u003cli\u003e5-gallon pail for multiple service intervals\u003c\/li\u003e\n\u003cli\u003eSuperior wear and corrosion protection\u003c\/li\u003e\n\u003cli\u003eExcellent thermal stability for high-load conditions\u003c\/li\u003e\n\u003cli\u003eMarine-grade formulation for saltwater environments\u003c\/li\u003e\n\u003cli\u003eProtects gears, bearings, and seals\u003c\/li\u003e\n\u003cli\u003eRecommended for Mercury lower units and gear cases\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e Mercury marine lower units, stern drives, and gear cases\u003c\/p\u003e\n\n\u003cp\u003eTypically ships in 4–5 business days. Availability confirmed upon order.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563925930020,"sku":"8M0222055","price":443.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/8M0222055.png?v=1772568073"},{"product_id":"mercury-pump-lube-8m0222068","title":"Mercury Pump \u0026 Lube 8M0222068 - Marine Grease Lubricant kit","description":"\u003cp\u003ePremium Mercury pump and lube marine grease for protecting and lubricating critical marine components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 8M0222068\u003c\/p\u003e\n\n\u003cp\u003eThis genuine Mercury pump and lube grease delivers superior protection for marine applications requiring high-performance lubrication. Formulated specifically for marine environments, this premium grease provides exceptional water resistance, corrosion protection, and long-lasting lubrication for pumps, fittings, and mechanical components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury OEM marine grease\u003c\/li\u003e\n\u003cli\u003eSuperior water resistance and washout protection\u003c\/li\u003e\n\u003cli\u003eExcellent corrosion and rust protection\u003c\/li\u003e\n\u003cli\u003eHigh-performance lubrication for marine applications\u003c\/li\u003e\n\u003cli\u003eMarine-grade formulation for saltwater environments\u003c\/li\u003e\n\u003cli\u003eIdeal for pumps, fittings, and mechanical components\u003c\/li\u003e\n\u003cli\u003eLong-lasting protection in demanding conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e Marine pumps, steering systems, fittings, cables, and general marine lubrication\u003c\/p\u003e\n\n\u003cp\u003eTypically ships in 4–5 business days. Availability confirmed upon order.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563925995556,"sku":"8M0222068","price":50.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/8M0222068.png?v=1772568358"},{"product_id":"merc-1362","title":"Mercury 2-Cycle DFI Oil 8M0230194","description":"\u003cp data-start=\"78\" data-end=\"564\"\u003eMercury 8M0230194 is a genuine OEM \u003cstrong data-start=\"139\" data-end=\"183\"\u003e2-cycle DFI synthetic blend outboard oil\u003c\/strong\u003e for direct fuel injected Mercury and Mariner 2-stroke engines. Dealer listings identify this part number as the \u003cstrong data-start=\"296\" data-end=\"307\"\u003e4-litre\u003c\/strong\u003e package, and Mercury’s official DFI oil description says it is formulated for \u003cstrong data-start=\"386\" data-end=\"427\"\u003eOptiMax and other DFI 2-cycle engines\u003c\/strong\u003e where reduced oiling rates and higher operating temperatures place greater demands on lubrication. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"566\" data-end=\"584\"\u003e\u003cstrong data-start=\"566\" data-end=\"582\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"585\" data-end=\"908\"\u003e\n\u003cli data-start=\"585\" data-end=\"633\"\u003eGenuine Mercury Marine \/ Quicksilver OEM oil\u003c\/li\u003e\n\u003cli data-start=\"634\" data-end=\"663\"\u003ePart number \u003cstrong data-start=\"648\" data-end=\"661\"\u003e8M0230194\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"664\" data-end=\"689\"\u003e\n\u003cstrong data-start=\"666\" data-end=\"677\"\u003e4-litre\u003c\/strong\u003e container\u003c\/li\u003e\n\u003cli data-start=\"690\" data-end=\"761\"\u003e\n\u003cstrong data-start=\"692\" data-end=\"711\"\u003eSynthetic blend\u003c\/strong\u003e formula for \u003cstrong data-start=\"724\" data-end=\"759\"\u003eDFI \/ OptiMax 2-cycle outboards\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"762\" data-end=\"908\"\u003eDesigned to provide strong wear and corrosion protection, reduce smoke, and help minimize carbon deposits. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"910\" data-end=\"1274\"\u003e\u003cstrong data-start=\"910\" data-end=\"934\"\u003eEngine Compatibility\u003c\/strong\u003e\u003cbr data-start=\"934\" data-end=\"937\"\u003eThis oil is recommended for \u003cstrong data-start=\"965\" data-end=\"1045\"\u003eMercury and Mariner OptiMax and direct fuel injected (DFI) 2-cycle outboards\u003c\/strong\u003e. Dealer listings also note it is \u003cstrong data-start=\"1079\" data-end=\"1130\"\u003enot intended for engines that specify TC-W3 oil\u003c\/strong\u003e, so exact oil specification should always be confirmed by the engine model and owner’s manual before use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1276\" data-end=\"1591\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1308\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003cbr data-start=\"1308\" data-end=\"1311\"\u003ePlease confirm the correct oil specification by your exact engine model and serial number in the Mercury Parts Catalog or owner’s manual before purchase. Mercury’s catalog is the safest way to verify the correct lubricant for the application. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1593\" data-end=\"1933\"\u003e\u003cstrong data-start=\"1593\" data-end=\"1629\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003cbr data-start=\"1629\" data-end=\"1632\"\u003eUse this oil during routine oil tank refill and regular service on applicable DFI 2-stroke outboards. Fresh OEM DFI oil helps support injector cleanliness, reduced deposits, proper lubrication, and long-term engine protection under high-heat operating conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1935\" data-end=\"2198\"\u003e\u003cstrong data-start=\"1935\" data-end=\"1957\"\u003eInstallation Notes\u003c\/strong\u003e\u003cbr data-start=\"1957\" data-end=\"1960\"\u003eUse only in engines that call for Mercury\/Quicksilver \u003cstrong data-start=\"2014\" data-end=\"2059\"\u003eDFI \/ OptiMax synthetic blend 2-cycle oil\u003c\/strong\u003e. Do not substitute it for applications that specifically call for a different 2-stroke oil standard. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2200\" data-end=\"2451\"\u003e\u003cstrong data-start=\"2200\" data-end=\"2239\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003cbr data-start=\"2239\" data-end=\"2242\"\u003eNo confirmed superseded part number was established from the sources reviewed for this exact 4-litre listing. The exact package number consistently shown is \u003cstrong data-start=\"2399\" data-end=\"2412\"\u003e8M0230194\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2453\" data-end=\"2808\"\u003e\u003cstrong data-start=\"2453\" data-end=\"2475\"\u003eParts Desk Insight\u003c\/strong\u003e\u003cbr data-start=\"2475\" data-end=\"2478\"\u003eDFI oils are more specialized than general 2-stroke oils because OptiMax and other direct-injection engines run with lower oiling rates and higher thermal demand. Using the correct Mercury DFI blend helps keep carbon buildup under control while protecting injectors and internal engine parts. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2810\" data-end=\"2875\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563926093860,"sku":"8M0230194","price":91.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/0af64edc-6e7e-4040-ab12-8af0cba1adc2.png?v=1775796675"},{"product_id":"merc-1363","title":"Mercury OptiMax DFI Synthetic Blend 2-Stroke Oil 10L 8M0230196","description":"\u003cp\u003eMercury 8M0230196 is a genuine OEM \u003cstrong\u003eOptimax \/ DFI synthetic-blend 2-cycle engine oil\u003c\/strong\u003e package for direct fuel injected 2-stroke outboards. Current Mercury safety documentation lists \u003cstrong\u003e8M0230196\u003c\/strong\u003e under the Mercury Optimax Outboards Synthetic Blend oil family, and current dealer listings identify this exact SKU as the \u003cstrong\u003e10L\u003c\/strong\u003e package size.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury OEM part number \u003cstrong\u003e8M0230196\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent dealer listings identify this exact SKU as \u003cstrong\u003eMercury Optimax DFI synthetic 2-stroke oil – 10L\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eMercury’s current DFI oil product information describes this lubricant as a \u003cstrong\u003esynthetic blend\u003c\/strong\u003e for \u003cstrong\u003edirect fuel injection (DFI) 2-cycle engines\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eHelps provide \u003cstrong\u003ewear and corrosion protection\u003c\/strong\u003e, \u003cstrong\u003ereduced carbon deposits\u003c\/strong\u003e, \u003cstrong\u003eimproved lubricity\u003c\/strong\u003e, and \u003cstrong\u003ereduced smoke\u003c\/strong\u003e in DFI 2-stroke applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe strongest supportable fitment for 8M0230196 is \u003cstrong\u003eMercury OptiMax and other direct fuel injected (DFI) 2-stroke outboards\u003c\/strong\u003e. Mercury’s current DFI oil guidance recommends this oil type for \u003cstrong\u003eMercury OptiMax 2-stroke outboards and other DFI 2-cycle engines\u003c\/strong\u003e, and the current dealer listing for this exact SKU describes it the same way.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eMatch this product by \u003cstrong\u003eengine oil specification and engine family\u003c\/strong\u003e rather than by serial number alone. The key check is whether the engine is a \u003cstrong\u003eMercury \/ Mariner direct fuel injected 2-stroke outboard\u003c\/strong\u003e that calls for \u003cstrong\u003eOptimax \/ DFI oil\u003c\/strong\u003e, because this is a lubricant application decision rather than a hardware fitment part.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace or refill with this oil as part of normal oil-tank replenishment for compatible DFI 2-stroke outboards. In practical service terms, this oil is used when the engine’s oil reservoir needs topping up or refilling with the correct DFI-grade lubricant to maintain proper protection and performance. That guidance follows Mercury’s description of this oil as the correct lubricant for OptiMax and DFI engines.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUse 8M0230196 only in compatible \u003cstrong\u003eDFI 2-stroke outboard oiling systems\u003c\/strong\u003e. Current dealer guidance for this exact SKU also notes that it is intended for direct-injection 2-stroke engines and \u003cstrong\u003enot for mixing with gasoline\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCurrent SDS and cross-reference sources associate this oil family with related Mercury numbers including \u003cstrong\u003e8M0229798, 8M0229800, 8M0229796, and 8M0230194\u003c\/strong\u003e. Current dealer and retail sources also tie the same DFI oil formula to \u003cstrong\u003e858037K01 \/ 92-858037K01\u003c\/strong\u003e one-gallon packaging.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWith oil listings like this, the most important check is the \u003cstrong\u003eengine oil type and package size\u003c\/strong\u003e, not just the words in the product name. For 8M0230196, current sources consistently line up around \u003cstrong\u003eMercury Optimax \/ DFI synthetic-blend 2-stroke oil in a 10L package\u003c\/strong\u003e, so confirming the engine’s DFI oil requirement first is the best way to avoid ordering the wrong lubricant format.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563926126628,"sku":"8M0230196","price":198.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/858038KC12SOpti10L_721eec80-ea6d-44ac-bc1a-7ad20ded295c.webp?v=1776823572"},{"product_id":"default-19","title":"Wakefield SAE 30 Non-Detergent Motor Oil 4402842 – 1 L","description":"\u003ch2\u003eWakefield SAE 30 Non-Detergent Motor Oil – 1 L\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4402842 (catalog ref: AH198)\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wakefield\u003cbr\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 056012022110\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eWakefield 4402842 is a straight SAE 30 non-detergent lubricating oil for equipment that specifically requires this oil type. Unlike modern detergent motor oils, non-detergent oils do not contain dispersant additives — they allow contaminants to settle out in the sump rather than suspending them in the oil. This makes them appropriate for compressors, stationary pumps, and low-pressure hydraulic systems designed around non-detergent lubricants.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e SAE 30 (straight grade)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-detergent lubricating oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContainer:\u003c\/strong\u003e 1 L bottle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4402842\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Reference:\u003c\/strong\u003e AH198\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 056012022110\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAir compressors specifying SAE 30 non-detergent oil\u003c\/li\u003e\n\u003cli\u003eStationary pumps requiring a non-detergent lubricant\u003c\/li\u003e\n\u003cli\u003eLow-pressure hydraulic systems where SAE 30 non-detergent is specified\u003c\/li\u003e\n\u003cli\u003eSmall engines, gear boxes, and mechanical equipment where the manufacturer specifies a straight-grade, non-detergent lubricant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Use only where the equipment manufacturer specifically calls for SAE 30 non-detergent oil. Do not substitute for modern detergent engine oils, multigrade oils, or specialized hydraulic fluids. Consult your equipment’s owner’s manual if the required oil type is unclear.\u003c\/p\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eChange at the interval specified by the equipment manufacturer, or when inspection reveals contamination, moisture, oxidation, or visible deterioration. Most compressors and stationary pump applications specify oil changes every 200–500 operating hours — refer to your equipment manual for the exact schedule.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the equipment’s required viscosity, oil type, and fill volume before use\u003c\/li\u003e\n\u003cli\u003eDo not mix with detergent oils or multigrade lubricants unless specifically permitted by the equipment manufacturer\u003c\/li\u003e\n\u003cli\u003eAllow the sump to drain fully before refilling with fresh oil\u003c\/li\u003e\n\u003cli\u003eDispose of used oil in accordance with local environmental regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePart Number Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWakefield: 4402842\u003c\/li\u003e\n\u003cli\u003eCatalog reference: AH198\u003c\/li\u003e\n\u003cli\u003eUPC: 056012022110\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003eThe key distinction with 4402842 is that it is a \u003cstrong\u003estraight SAE 30 non-detergent oil\u003c\/strong\u003e — not a general-purpose motor oil and not interchangeable with modern detergent automotive or marine engine oils. Its primary use case is compressors and stationary pumps that specifically require non-detergent lubrication. The most common customer confusion is assuming any SAE 30 oil will work in their compressor — many compressors do specify non-detergent, so this is the correct product when that’s the case. Always confirm the equipment spec before recommending a substitute.\u003c\/p\u003e","brand":"MISC.","offers":[{"title":"Default Title","offer_id":43563930255396,"sku":"4402842","price":17.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/87f0874d-34cf-45f3-b8b1-6e8a770e5868.png?v=1788327506"},{"product_id":"volvo-penta-transmission-oil-1141676","title":"Volvo Penta Transmission Oil 80W-90 GL-5 1141676 | 1 Qt Gear Lube","description":"\u003ch2\u003eVolvo Penta Transmission Oil 80W-90 GL-5 — Part #1141676\u003c\/h2\u003e\n\u003cp\u003eGenuine Volvo Penta SAE 80W-90 API GL-5 petroleum gear oil for compatible older sterndrive and transmission applications. Formulated to protect drive and transmission gears under load, resist high-temperature breakdown, and provide corrosion protection in the demanding marine drivetrain environment.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePart Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1141676\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupersedes \/ Related References:\u003c\/strong\u003e 3855834, 38558342\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta OEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOfficial Product Type:\u003c\/strong\u003e Transmission \/ Sterndrive Gear Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e SAE 80W-90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e API GL-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e Petroleum (mineral)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1 quart (946 mL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Sterndrive Gear \/ Transmission Lubrication System\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta AQ-series sterndrive applications specifying SAE 80W-90 GL-5 gear oil\u003c\/li\u003e\n\u003cli\u003eVolvo Penta 280DP DuoProp sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta 290DP DuoProp sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta 290SP sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta SP-A sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta SP-A1 sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta DP-A sterndrive\u003c\/li\u003e\n\u003cli\u003eOther older Volvo Penta single-prop and DuoProp drives where SAE 80W-90 GL-5 is specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlways confirm the required oil type in your Volvo Penta service manual or by drive serial number before filling\u003c\/strong\u003e — some drives require a different lubricant specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhat This Product Does\u003c\/h3\u003e\n\u003cp\u003eThe transmission oil lubricates and protects the gears, bearings, and clutch components inside the sterndrive or transmission housing. The GL-5 rating indicates the oil contains extreme-pressure additives that protect hypoid and spiral bevel gears under high-load conditions. Using the correct viscosity and specification prevents premature gear wear, overheating, and corrosion inside the drive housing.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131473834020\"\u003eVolvo Penta Transmission Oil 75W-90 GL-5 Synthetic 1141679\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131473899556\"\u003eVolvo Penta Transmission Oil 1141681\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131506536484\"\u003eVolvo Penta Lower Gear Housing O-Ring SX-A DPS 3889786\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131511451684\"\u003eVolvo Penta DuoProp Propeller Shaft Sealing Ring 853807\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eReplace drive or transmission oil at the interval specified in your Volvo Penta service manual — typically every 100 hours or annually, whichever comes first. Also replace immediately if the oil appears milky or discoloured (indicating water intrusion), if metal debris is found on the magnetic drain plug, or after any major drive service involving seal replacement or disassembly.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my drive takes 80W-90 GL-5 or a different oil?\u003c\/strong\u003e\u003cbr\u003eA: Check the Volvo Penta service manual for your specific drive model and serial number. Older AQ-series and early DuoProp drives commonly specify 80W-90 GL-5. Later SX and DPS drives may require a different specification — do not substitute without confirming.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use a synthetic 75W-90 GL-5 instead of this 80W-90 petroleum oil?\u003c\/strong\u003e\u003cbr\u003eA: Some Volvo Penta drives accept synthetic GL-5 gear oil, but the service manual for your specific drive is the authoritative reference. If your manual specifies 80W-90 petroleum, use this product. If synthetic is approved, see our \u003ca href=\"\/products\/8131473834020\"\u003eVolvo Penta Synthetic 75W-90 GL-5 Transmission Oil 1141679\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My oil looks milky after draining — what does that mean?\u003c\/strong\u003e\u003cbr\u003eA: Milky or grey-coloured gear oil indicates water contamination, most commonly from a failed seal or bellows. Before refilling, inspect and replace the affected seals. Refilling with fresh oil without addressing the source of water intrusion will result in rapid gear and bearing damage.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This is the correct oil for annual drive service on older Volvo Penta AQ-series and early DuoProp sterndrive applications. It’s a straightforward fill for owners doing their own seasonal maintenance on these drive families.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon issues we see:\u003c\/strong\u003e The most common problem is customers selecting gear oil by viscosity alone without confirming the drive model. Volvo Penta has used different oil specifications across drive generations — some later drives require a specific synthetic or a different GL rating. Always confirm by drive serial number or service manual before ordering. We also see customers unsure whether 1141676 or the superseded numbers (3855834 \/ 38558342) are the same product — they are; 1141676 is the current part number.\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563974983716,"sku":"1141676","price":27.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/832d4730-5cb5-455e-b1b5-7a7cd895d81b.png?v=1778195566"},{"product_id":"volvo-penta-corrosion-shield-anti-rust-spray-21234027","title":"Volvo Penta Corrosion Shield Anti-Rust Spray – 21234027","description":"\u003ch2\u003eVolvo Penta Corrosion Shield Anti-Rust Spray – Part Number 21234027\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta (Genuine OEM)\u003cbr\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 21234027\u003cbr\u003e\n\u003cstrong\u003eOfficial Product Type:\u003c\/strong\u003e Anti-Rust Agent \/ Corrosion Shield\u003cbr\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e 362002\u003cbr\u003e\n\u003cstrong\u003eReplaced By:\u003c\/strong\u003e No replacement listed — 21234027 is the current active part number\u003c\/p\u003e\n\n\u003cp\u003eThis is a genuine Volvo Penta OEM corrosion shield spray designed for marine equipment. It penetrates corrosion cells, displaces moisture, and leaves a thin protective film that helps repel salt spray and water. Suitable for use on exposed metal components, electrical connections, linkages, fasteners, and other hardware in harsh marine environments. Sold as an aerosol can.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Corrosion Protection \/ Preventive Maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Aerosol anti-rust \/ corrosion inhibitor spray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Aerosol can (approx. 8–12 oz — confirm current packaging at time of order)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Moisture displacement, corrosion inhibition, light lubrication, protective film barrier\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp\u003eThis is a maintenance and protection product, not an engine-specific hard part. It is suitable for use across all Volvo Penta marine engine families and drive systems, as well as any marine equipment exposed to salt spray, moisture, or corrosive environments:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExposed electrical connectors and terminals\u003c\/li\u003e\n\u003cli\u003eLinkages, cables, and pivot points\u003c\/li\u003e\n\u003cli\u003eFasteners, bolts, and exposed hardware\u003c\/li\u003e\n\u003cli\u003eBattery terminals and ground connections\u003c\/li\u003e\n\u003cli\u003eBilge hardware and through-hull fittings\u003c\/li\u003e\n\u003cli\u003eAny metal surface requiring corrosion protection in a marine environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlternate \u0026amp; Cross-Reference Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e21234027 — Volvo Penta OEM (this part, active number)\u003c\/li\u003e\n\u003cli\u003e362002 — Superseded Volvo Penta reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhen to Use\u003c\/h2\u003e\n\u003cp\u003eApply this corrosion shield spray when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePerforming seasonal layup or spring recommissioning service\u003c\/li\u003e\n\u003cli\u003eServicing electrical connections or components exposed to salt spray\u003c\/li\u003e\n\u003cli\u003eTreating exposed metal hardware after saltwater exposure\u003c\/li\u003e\n\u003cli\u003eAddressing early-stage surface corrosion on accessible components\u003c\/li\u003e\n\u003cli\u003eAdding corrosion protection during routine engine or drive service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply to clean, dry surfaces for best adhesion and protection\u003c\/li\u003e\n\u003cli\u003eParticularly effective around electrical equipment, exposed hardware, and salt-spray-prone areas\u003c\/li\u003e\n\u003cli\u003eActs as both a corrosion inhibitor and a moisture-displacing lubricant\u003c\/li\u003e\n\u003cli\u003eFollow the product label directions for safe application, coverage, and ventilation requirements\u003c\/li\u003e\n\u003cli\u003eNot a substitute for structural corrosion repair — best used as a preventive treatment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eService Interval\u003c\/h2\u003e\n\u003cp\u003eApply as part of seasonal layup and recommissioning service, or any time electrical or metal components are serviced or exposed to increased salt-spray conditions. Reapply as needed based on operating environment and visual inspection of protected surfaces.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this safe to use on electrical connections?\u003c\/strong\u003e\u003cbr\u003eYes — this product is specifically recommended for marine electrical components and connectors. It displaces moisture and leaves a protective film that helps prevent corrosion at connection points.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used on all Volvo Penta engine families?\u003c\/strong\u003e\u003cbr\u003eYes. This is a maintenance product, not an engine-specific part. It is suitable for use across all Volvo Penta gasoline and diesel marine engines and drive systems, as well as any other marine equipment requiring corrosion protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs 362002 the same product?\u003c\/strong\u003e\u003cbr\u003eYes — 362002 is the superseded part number. 21234027 is the current active Volvo Penta part number for this product.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is this different from a standard WD-40 or penetrant spray?\u003c\/strong\u003e\u003cbr\u003eThis is a genuine Volvo Penta OEM formulation designed specifically for marine environments. It is engineered to meet Volvo Penta’s corrosion protection standards for their equipment and is the product specified in Volvo Penta service and maintenance documentation.\u003c\/p\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003eSalt and moisture are the two biggest enemies of marine electrical systems and exposed hardware, and the damage usually happens gradually — long before a connector fails or a fastener seizes completely. This spray is one of the easiest and most cost-effective things you can add to a seasonal service. We see a lot of electrical gremlins and seized hardware on boats that skipped corrosion protection during layup. If you’re already doing engine or drive service, it’s worth treating the electrical connections and exposed hardware at the same time. A few minutes of prevention saves a lot of diagnostic time later.\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563984912420,"sku":"21234027","price":38.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/20666e5c-767a-44a9-89f2-2f3a484d9787.png?v=1775858710"},{"product_id":"volvo-penta-marine-engine-oil-21681794","title":"Volvo Penta OEM Marine Engine Oil 21681794","description":"\u003ch2\u003eVolvo Penta OEM Marine Engine Oil — Part No. 21681794\u003c\/h2\u003e\n\u003cp\u003eThis is the genuine OEM Volvo Penta marine engine oil formulated to factory specifications for compatible Volvo Penta gasoline and diesel marine engines. Designed specifically for the demands of marine operation — including saltwater exposure, high-load running, and extended idle periods — this oil provides the wear protection, thermal stability, and corrosion resistance that Volvo Penta engineers into their lubrication requirements.\u003c\/p\u003e\n\u003cp\u003eIf your Volvo Penta service manual or parts lookup specifies \u003cstrong\u003e21681794\u003c\/strong\u003e, this is the correct oil.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 21681794\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta (OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOfficial Product Type:\u003c\/strong\u003e OEM Marine Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Engine lubrication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e Confirm via Volvo Penta serial-number lookup — earlier references may have been consolidated into this part number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaced By:\u003c\/strong\u003e Confirm via current Volvo Penta parts catalog\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp\u003eUse only where Volvo Penta part number \u003cstrong\u003e21681794\u003c\/strong\u003e is specified. Always verify the correct oil grade and specification against your engine model and service manual before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible Volvo Penta gasoline marine engines\u003c\/li\u003e\n\u003cli\u003eCompatible Volvo Penta diesel marine engines\u003c\/li\u003e\n\u003cli\u003eSterndrive and inboard applications where this OEM oil reference is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine OEM Volvo Penta formulation — meets factory lubrication specifications\u003c\/li\u003e\n\u003cli\u003eSuperior wear protection for marine engine internals under load\u003c\/li\u003e\n\u003cli\u003eExcellent thermal stability for high-temperature and extended-run operation\u003c\/li\u003e\n\u003cli\u003eCorrosion resistance for both saltwater and freshwater environments\u003c\/li\u003e\n\u003cli\u003eMaintains viscosity across a wide operating temperature range\u003c\/li\u003e\n\u003cli\u003eFormulated to protect against sludge and deposit buildup in marine duty cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eService Interval\u003c\/h2\u003e\n\u003cp\u003eChange engine oil at the interval specified in your Volvo Penta service manual — typically every 100–150 hours or annually, whichever comes first. Also change after any contamination event, extended storage, or when oil appears dark, milky, or has a burnt smell. Always replace the oil filter at every oil change.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the correct oil grade and specification for your engine model before filling\u003c\/li\u003e\n\u003cli\u003eAlways replace the oil filter at the same time as the oil change\u003c\/li\u003e\n\u003cli\u003eDrain fully before refilling — do not top up old oil with new\u003c\/li\u003e\n\u003cli\u003eCheck the dipstick after filling and run the engine briefly to circulate oil before rechecking the level\u003c\/li\u003e\n\u003cli\u003eDispose of used oil responsibly at a certified marine or automotive recycling facility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-oil-filter-21549542\"\u003eVolvo Penta Oil Filter — 21549542\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-oil-filter-3517857\"\u003eVolvo Penta Oil Filter — 3517857\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-oil-filter-835440\"\u003eVolvo Penta Oil Filter — 835440\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-oil-filter-841750\"\u003eVolvo Penta Oil Filter — 841750\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-oil-filter-861475-21549544\"\u003eVolvo Penta Oil Filter — 861475 \/ 21549544\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-transmission-oil-1141680\"\u003eVolvo Penta Transmission Oil — 1141680\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-marine-sealant-1161277\"\u003eVolvo Penta Marine Sealant Black RTV Silicone — 1161277\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a standard automotive engine oil instead of the OEM marine oil?\u003c\/strong\u003e\u003cbr\u003eAutomotive oils are not formulated for the specific demands of marine engines — including higher sustained RPM, saltwater corrosion exposure, and the absence of a catalytic converter (which affects additive packages). Volvo Penta OEM oil is the safest choice for protecting your engine and maintaining warranty compliance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know what viscosity grade this oil is?\u003c\/strong\u003e\u003cbr\u003eConfirm the viscosity grade and specification in your Volvo Penta engine service manual or by cross-referencing part number 21681794 in the Volvo Penta parts catalog for your engine model and serial number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I change the oil filter at every oil change?\u003c\/strong\u003e\u003cbr\u003eYes — always replace the oil filter when changing engine oil. A used filter can reintroduce contaminants into fresh oil and reduce the effectiveness of the oil change.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if my oil looks milky after draining?\u003c\/strong\u003e\u003cbr\u003eMilky oil indicates water intrusion — a serious condition that requires immediate inspection of the cooling system, head gasket, and any potential water ingestion points before returning the engine to service.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This is the right oil for scheduled engine oil changes on compatible Volvo Penta marine engines where the service manual specifies part number 21681794. It’s a straightforward maintenance item that pairs with a matching Volvo Penta oil filter for a complete OEM oil service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon customer questions:\u003c\/strong\u003e Customers frequently ask whether any marine engine oil will work — the answer is that Volvo Penta specifies particular oil grades and formulations by engine model, and using the wrong oil can affect engine protection and warranty standing. Always match the part number to your service manual rather than selecting by oil type alone.\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563989106724,"sku":"21681794","price":21.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/21681794.png?v=1771363250"},{"product_id":"volvo-penta-oil-218-oem","title":"Volvo Penta Engine Oil 21681795 | OEM 4-Stroke Marine Oil","description":"\u003ch2\u003eVolvo Penta OEM 4-Stroke Marine Engine Oil\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 218  |  \u003cstrong\u003eSKU:\u003c\/strong\u003e 21681795\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta  |  \u003cstrong\u003eType:\u003c\/strong\u003e OEM 4-Stroke Marine Engine Oil\u003c\/p\u003e\n\n\u003cp\u003eThis is the genuine factory-spec engine oil for Volvo Penta marine engines. Engineered to meet the exact lubrication requirements of Volvo Penta gasoline and diesel inboard and sterndrive engines, it delivers reliable protection in both freshwater and saltwater environments.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Volvo Penta OEM formulation — meets factory specifications\u003c\/li\u003e\n\u003cli\u003eSuperior wear protection for pistons, rings, and bearings\u003c\/li\u003e\n\u003cli\u003eExcellent corrosion resistance for saltwater and freshwater use\u003c\/li\u003e\n\u003cli\u003eMaintains stable viscosity across wide operating temperature ranges\u003c\/li\u003e\n\u003cli\u003eMinimizes sludge and deposit buildup for cleaner engine internals\u003c\/li\u003e\n\u003cli\u003eCompatible with Volvo Penta gasoline and diesel marine engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta AQ-series gasoline inboard engines\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D-series diesel inboard engines\u003c\/li\u003e\n\u003cli\u003eVolvo Penta IPS and DPS sterndrive systems\u003c\/li\u003e\n\u003cli\u003eVolvo Penta SX and DP sterndrive applications\u003c\/li\u003e\n\u003cli\u003eConsult your engine serial number and owner's manual to confirm compatibility with your specific model year\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eReplace engine oil and filter at every 100 operating hours or annually — whichever comes first. Always follow the interval specified in your Volvo Penta engine owner's manual for your specific model.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e Ideal for scheduled annual maintenance or 100-hour service intervals on Volvo Penta gasoline and diesel marine engines. This is the go-to oil for owners who want to maintain OEM warranty compliance and protect long-term engine reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e Customers frequently ask whether an aftermarket oil can substitute — while some marine-grade 15W-40 oils meet similar specs, using the genuine Volvo Penta oil is the safest choice for warranty-covered engines and ensures compatibility with Volvo Penta's seal materials and cooling system chemistry.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What viscosity is this oil?\u003c\/strong\u003e\u003cbr\u003eA: Volvo Penta 21681795 is a 15W-40 marine engine oil suitable for most operating temperatures encountered in recreational boating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this oil in both gasoline and diesel Volvo Penta engines?\u003c\/strong\u003e\u003cbr\u003eA: Yes — this oil is formulated for use in both gasoline and diesel Volvo Penta marine engines. Confirm with your owner's manual for your specific engine series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How much oil does my engine take?\u003c\/strong\u003e\u003cbr\u003eA: Oil capacity varies by engine model. Refer to your Volvo Penta owner's manual or engine specification sheet for the correct fill quantity.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cp\u003eComplete your service with these commonly paired items:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-aluminum-pencil-engine-anode-cm838929a-replaces-838929-194\"\u003eVolvo Penta Aluminum Pencil Engine Anode – CM838929A\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-v-belt-9319\"\u003eVolvo Penta V-Belt 9319\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-v-belt-9415\"\u003eVolvo Penta V-Belt 9415\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563989139492,"sku":"21681795","price":80.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/21681795.png?v=1771386242"},{"product_id":"volvo-penta-synthetic-engine-oil-10w-40-5gal-21681796","title":"Volvo Penta Synthetic Engine Oil 10W-40 | 5 Gallon | OEM 21681796","description":"\u003ch2\u003eVolvo Penta OEM Synthetic Engine Oil 10W-40 — 5 Gallon\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 21681796  |  \u003cstrong\u003eSKU:\u003c\/strong\u003e 21681796\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta  |  \u003cstrong\u003eType:\u003c\/strong\u003e OEM Synthetic 4-Stroke Marine Engine Oil\u003cbr\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e SAE 10W-40  |  \u003cstrong\u003ePerformance Grades:\u003c\/strong\u003e API SJ, ACEA A3\/B3\u003cbr\u003e\n\u003cstrong\u003eContainer Size:\u003c\/strong\u003e 5 Gallon (approx. 20 L)\u003c\/p\u003e\n\n\u003cp\u003eThe genuine factory-spec synthetic engine oil for Volvo Penta gasoline marine engines. This 5-gallon bulk size is formulated to meet Volvo Penta's exact lubrication requirements for post-2002 gasoline engine applications, delivering reliable protection in both freshwater and saltwater environments.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Volvo Penta OEM synthetic formulation — meets factory specifications\u003c\/li\u003e\n\u003cli\u003eSAE 10W-40 viscosity — recommended for Volvo Penta gasoline engines newer than 2002\u003c\/li\u003e\n\u003cli\u003eAPI SJ and ACEA A3\/B3 rated for proven performance\u003c\/li\u003e\n\u003cli\u003eSuperior wear protection for pistons, rings, and bearings\u003c\/li\u003e\n\u003cli\u003eExcellent corrosion resistance for saltwater and freshwater use\u003c\/li\u003e\n\u003cli\u003eMaintains stable viscosity across wide operating temperature ranges\u003c\/li\u003e\n\u003cli\u003eMinimizes sludge and deposit buildup for cleaner engine internals\u003c\/li\u003e\n\u003cli\u003e5-gallon bulk size — ideal for multi-engine service or full-season stocking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta gasoline marine engines manufactured after 2002\u003c\/li\u003e\n\u003cli\u003eVolvo Penta AQ-series gasoline inboard engines (confirm by serial number)\u003c\/li\u003e\n\u003cli\u003eVolvo Penta GXi, OSi, and related gasoline sterndrive packages\u003c\/li\u003e\n\u003cli\u003eVolvo Penta IPS gasoline pod-drive applications (confirm by serial number)\u003c\/li\u003e\n\u003cli\u003eNot intended for diesel engine applications — confirm with your engine operator's manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eAlways verify compatibility using your engine serial number and operator's manual before ordering. Oil specifications can vary by engine family, model year, and emissions configuration.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eReplace engine oil and filter at every \u003cstrong\u003e100 operating hours or annually\u003c\/strong\u003e — whichever comes first. Always follow the interval specified in your Volvo Penta engine owner's manual for your specific model and engine package.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e This 5-gallon bulk size is the right choice for marine service shops, multi-engine vessels, or owners who perform their own annual maintenance and want to stock the correct oil for the season. It's significantly more economical per litre than the single-bottle size when you're doing a full service or maintaining more than one Volvo Penta gasoline engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e Customers sometimes ask whether a high-quality aftermarket 10W-40 marine oil can substitute — while some third-party oils meet similar API\/ACEA ratings, using the genuine Volvo Penta synthetic ensures compatibility with seal materials, cooling system chemistry, and maintains OEM warranty compliance. We also frequently get asked about the difference between this part and the 1-litre version (\u003ca href=\"\/products\/volvo-penta-oil-218-oem\"\u003eVolvo Penta Engine Oil 21681795\u003c\/a\u003e) — the formulation is the same; this is simply the bulk 5-gallon size.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What viscosity is this oil?\u003c\/strong\u003e\u003cbr\u003eA: SAE 10W-40 — the Volvo Penta-recommended viscosity for gasoline marine engines manufactured after 2002.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this oil suitable for diesel Volvo Penta engines?\u003c\/strong\u003e\u003cbr\u003eA: No — this oil is formulated for gasoline applications. Diesel Volvo Penta engines require a different oil specification. Refer to your engine operator's manual.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How much oil does my engine take?\u003c\/strong\u003e\u003cbr\u003eA: Oil capacity varies by engine model. Refer to your Volvo Penta owner's manual or engine specification sheet for the correct fill quantity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between 21681796 and 21681795?\u003c\/strong\u003e\u003cbr\u003eA: Part 21681795 is the 1-litre single bottle; 21681796 is the 5-gallon (approx. 20 L) bulk container. Same OEM synthetic 10W-40 formulation.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cp\u003eComplete your service with these commonly paired items:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-penta-oil-218-oem\"\u003eVolvo Penta Engine Oil 21681795 — 1 Litre Single Bottle\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-199\"\u003eVolvo Penta Oil Filter 21549542\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-200\"\u003eVolvo Penta Oil Filter 21549544\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-225\"\u003eVolvo Penta Oil Filter 21707132\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-97\"\u003eVolvo Penta Oil Filter 21725859\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/volvo-1041\"\u003eVolvo Penta Oil Filter Wrench 9998487\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563989172260,"sku":"21681796","price":391.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/73f9aa24-05ac-4966-8320-0efaaf024ed4.png?v=1775853505"},{"product_id":"volvo-penta-neutra-salt-concentrate-21687793","title":"Volvo Penta Neutra-Salt Concentrate | OEM Cooling System Flush 21687793","description":"\u003ch2\u003eVolvo Penta Neutra-Salt Concentrate — OEM Cooling System Flush\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 21687793  |  \u003cstrong\u003eSKU:\u003c\/strong\u003e 21687793\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta  |  \u003cstrong\u003eOfficial Product Name:\u003c\/strong\u003e Neutra-Salt Concentrate\u003cbr\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e OEM Marine Cooling System Neutralizing Agent\u003cbr\u003e\n\u003cstrong\u003eContainer Size:\u003c\/strong\u003e Approx. 0.95 L (1 quart) concentrate\u003c\/p\u003e\n\n\u003cp\u003eThe genuine Volvo Penta factory-spec neutralizing agent for raw-water cooled marine engines and drives. Neutra-Salt Concentrate is designed to flush salt deposits from internal cooling passages and leave a corrosion-inhibiting protective film on metal surfaces — helping extend the life of your cooling system between services.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Volvo Penta OEM maintenance chemical\u003c\/li\u003e\n\u003cli\u003eRemoves salt and mineral deposits from raw-water cooling passages\u003c\/li\u003e\n\u003cli\u003eLeaves a corrosion-inhibiting protective film on internal metal surfaces\u003c\/li\u003e\n\u003cli\u003eDesigned for use with Volvo Penta’s engine-driven raw-water \/ sea-water pump flushing systems\u003c\/li\u003e\n\u003cli\u003eSuitable for inboard and sterndrive applications with raw-water cooling\u003c\/li\u003e\n\u003cli\u003eSimple preventative maintenance — helps avoid costly cooling system repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta inboard gasoline and diesel engines with raw-water (sea-water) cooling\u003c\/li\u003e\n\u003cli\u003eVolvo Penta sterndrive packages equipped with engine-driven raw-water pump flushing arrangements\u003c\/li\u003e\n\u003cli\u003eVessels operating in saltwater, brackish water, or high-mineral freshwater environments\u003c\/li\u003e\n\u003cli\u003eConfirm cooling system configuration and flushing setup before ordering — not all Volvo Penta engines use the same raw-water flushing arrangement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eUse as part of your regular seasonal maintenance or after extended saltwater operation. Volvo Penta recommends flushing the raw-water cooling system at the end of each season or whenever the engine has been exposed to prolonged saltwater use. Replenish concentrate as needed when the supply runs low.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e This is a smart preventative maintenance item for any boat that operates regularly in salt or brackish water. Salt buildup in raw-water cooling passages develops gradually and is often invisible until it causes overheating or component failure. Regular flushing with Neutra-Salt is far less expensive than replacing corroded impellers, heat exchangers, or thermostat housings down the road.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e Customers often ask whether a generic descaler or vinegar flush can substitute — while DIY options exist, the Volvo Penta Neutra-Salt formula is specifically engineered for compatibility with the alloys and seals used in Volvo Penta cooling systems, and it leaves a protective inhibitor film that generic products typically don’t provide. It’s also the product Volvo Penta service technicians reach for during scheduled maintenance.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I use Neutra-Salt Concentrate?\u003c\/strong\u003e\u003cbr\u003eA: The concentrate is used with Volvo Penta’s flushing system — typically a flushing bottle connected to the raw-water inlet. Follow the procedure outlined in your engine’s operator’s manual or Volvo Penta service documentation for your specific cooling system setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this on a freshwater-cooled (closed-loop) engine?\u003c\/strong\u003e\u003cbr\u003eA: Neutra-Salt is designed for raw-water (open) cooling systems. If your engine uses a closed freshwater cooling loop, consult your Volvo Penta dealer for the appropriate coolant and maintenance products.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How much concentrate do I need per flush?\u003c\/strong\u003e\u003cbr\u003eA: Refer to your Volvo Penta operator’s manual for the correct dilution and volume for your specific engine and flushing arrangement. Usage will vary by engine size and cooling system volume.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this the same as an antifreeze or coolant?\u003c\/strong\u003e\u003cbr\u003eA: No — Neutra-Salt is a neutralizing and corrosion-inhibiting flush agent for raw-water cooling passages. It is not an antifreeze or closed-system coolant.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cp\u003eCommonly paired with this product during cooling system service:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/volvo-penta-cooling-system-parts\"\u003eBrowse all Volvo Penta Cooling System Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/volvo-penta-engine-maintenance-parts\"\u003eBrowse Volvo Penta Engine Maintenance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563989205028,"sku":"21687793","price":35.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/a6aa768e-ef0e-4bd7-a141-70eae13a8311.png?v=1775853055"},{"product_id":"volvo-penta-vds-4-5-15w-40-diesel-engine-oil-5-gallon-23219264","title":"Volvo Penta VDS-4.5 15W-40 Diesel Engine Oil 5 Gallon – 23219264","description":"\u003cp data-start=\"62\" data-end=\"544\"\u003eVolvo Penta 23219264 is a genuine OEM \u003cstrong data-start=\"126\" data-end=\"154\"\u003emarine diesel engine oil\u003c\/strong\u003e identified as \u003cstrong data-start=\"169\" data-end=\"198\"\u003eVDS-4.5 Engine Oil 15W-40\u003c\/strong\u003e. Public Volvo Penta and dealer listings describe it as Volvo-recommended oil for diesel engine applications, formulated with high-quality base oils and additive components for engine protection, cleanliness, and fuel economy. Available public listings also identify this package as a \u003cstrong data-start=\"483\" data-end=\"495\"\u003e5 gallon\u003c\/strong\u003e container. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"546\" data-end=\"564\"\u003e\u003cstrong data-start=\"546\" data-end=\"562\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"565\" data-end=\"952\"\u003e\n\u003cli data-start=\"565\" data-end=\"603\"\u003eGenuine \u003cstrong data-start=\"575\" data-end=\"590\"\u003eVolvo Penta\u003c\/strong\u003e engine oil\u003c\/li\u003e\n\u003cli data-start=\"604\" data-end=\"632\"\u003ePart number \u003cstrong data-start=\"618\" data-end=\"630\"\u003e23219264\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"633\" data-end=\"680\"\u003e\n\u003cstrong data-start=\"635\" data-end=\"646\"\u003eVDS-4.5\u003c\/strong\u003e diesel engine oil specification\u003c\/li\u003e\n\u003cli data-start=\"681\" data-end=\"709\"\u003e\n\u003cstrong data-start=\"683\" data-end=\"697\"\u003eSAE 15W-40\u003c\/strong\u003e viscosity\u003c\/li\u003e\n\u003cli data-start=\"710\" data-end=\"774\"\u003ePublic listings identify this size as a \u003cstrong data-start=\"752\" data-end=\"764\"\u003e5 gallon\u003c\/strong\u003e package\u003c\/li\u003e\n\u003cli data-start=\"775\" data-end=\"830\"\u003eFormulated for \u003cstrong data-start=\"792\" data-end=\"828\"\u003eVolvo diesel engine applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"831\" data-end=\"952\"\u003eDescribed as helping provide \u003cstrong data-start=\"862\" data-end=\"914\"\u003eengine protection, cleanliness, and fuel economy\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"954\" data-end=\"1336\"\u003e\u003cstrong data-start=\"954\" data-end=\"978\"\u003eEngine Compatibility\u003c\/strong\u003e\u003cbr data-start=\"978\" data-end=\"981\"\u003eThis oil is intended for \u003cstrong data-start=\"1006\" data-end=\"1048\"\u003eVolvo Penta diesel engine applications\u003c\/strong\u003e that call for \u003cstrong data-start=\"1063\" data-end=\"1081\"\u003eVDS-4.5 15W-40\u003c\/strong\u003e engine oil. Because oil selection depends on the exact engine family and service requirements, compatibility should be confirmed against the \u003cstrong data-start=\"1223\" data-end=\"1274\"\u003eengine model, serial number, and owner’s manual\u003c\/strong\u003e before ordering or use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1338\" data-end=\"1682\"\u003e\u003cstrong data-start=\"1338\" data-end=\"1370\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003cbr data-start=\"1370\" data-end=\"1373\"\u003ePlease confirm the required oil specification by \u003cstrong data-start=\"1422\" data-end=\"1456\"\u003eengine model and serial number\u003c\/strong\u003e before ordering. For lubricants, the safest match is always the specification listed for the exact engine in Volvo Penta service documentation rather than assuming fitment by brand alone. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1684\" data-end=\"2169\"\u003e\u003cstrong data-start=\"1684\" data-end=\"1720\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003cbr data-start=\"1720\" data-end=\"1723\"\u003eReplace this engine oil during scheduled maintenance, seasonal service, or whenever the existing oil is contaminated, degraded, or due for change under the engine’s service interval. Engine oil should also be replaced whenever service conditions or inspection show it is no longer suitable for continued use. This replacement guidance is based on the product’s role as the engine’s specified lubricating oil. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2171\" data-end=\"2449\"\u003e\u003cstrong data-start=\"2171\" data-end=\"2193\"\u003eInstallation Notes\u003c\/strong\u003e\u003cbr data-start=\"2193\" data-end=\"2196\"\u003eUse only where the engine calls for \u003cstrong data-start=\"2232\" data-end=\"2254\"\u003eVDS-4.5 SAE 15W-40\u003c\/strong\u003e diesel engine oil. Confirm the correct viscosity and oil specification before filling, and follow the engine’s published oil capacity and service procedure. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2451\" data-end=\"2492\"\u003e\u003cstrong data-start=\"2451\" data-end=\"2490\"\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2493\" data-end=\"2622\"\u003e\n\u003cli data-start=\"2493\" data-end=\"2509\"\u003e\u003cstrong data-start=\"2495\" data-end=\"2507\"\u003e23219264\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"2510\" data-end=\"2622\"\u003ePublic dealer listings commonly note this part as replacing \u003cstrong data-start=\"2572\" data-end=\"2584\"\u003e40005013\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2624\" data-end=\"2993\"\u003e\u003cstrong data-start=\"2624\" data-end=\"2646\"\u003eParts Desk Insight\u003c\/strong\u003e\u003cbr data-start=\"2646\" data-end=\"2649\"\u003eThe strongest public data on \u003cstrong data-start=\"2678\" data-end=\"2690\"\u003e23219264\u003c\/strong\u003e is very consistent: it is \u003cstrong data-start=\"2717\" data-end=\"2791\"\u003eVolvo Penta VDS-4.5 SAE 15W-40 diesel engine oil in a 5 gallon package\u003c\/strong\u003e. For Marisol Marine customers, the cleanest sale is by matching the oil to the \u003cstrong data-start=\"2871\" data-end=\"2928\"\u003eexact Volvo Penta specification in the owner’s manual\u003c\/strong\u003e, not just by engine brand. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2995\" data-end=\"3060\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43563994087460,"sku":"23219264","price":260.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/Engine_Oil_VDS-4_5_15W_40_20L.jpg?v=1777072613"},{"product_id":"volvo-356","title":"Volvo Penta Engine Oil 23219274 - Premium Marine Lubricant","description":"\u003cp\u003eGenuine Volvo Penta engine oil engineered specifically for marine diesel and gasoline engines. This premium lubricant delivers superior protection against wear, corrosion, and thermal breakdown in demanding marine environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM-approved formulation for Volvo Penta engines\u003c\/li\u003e\n\u003cli\u003eAdvanced additive package for extended engine life\u003c\/li\u003e\n\u003cli\u003eExcellent thermal stability for high-temperature operation\u003c\/li\u003e\n\u003cli\u003eSuperior corrosion protection in saltwater conditions\u003c\/li\u003e\n\u003cli\u003eMaintains viscosity across wide temperature ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for use in Volvo Penta marine diesel and gasoline engines. Consult your engine manual for specific oil grade requirements and service intervals.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 23219274\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Choose Genuine Volvo Penta Oil:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGenuine Volvo Penta lubricants are formulated to meet the exact specifications of your engine. Using OEM-approved oil ensures optimal performance, protects your warranty, and extends the service life of critical engine components.\u003c\/p\u003e","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":43563994120228,"sku":"23219274","price":54.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/23219274_704e90b1-61cc-4be6-a30a-02e185148858.png?v=1771286351"},{"product_id":"volvo-penta-diesel-engine-oil-vds-4-5-5w-40-1l-23219282","title":"Volvo Penta Diesel Engine Oil VDS-4.5 SAE 15W-40 1L 23219282","description":"\u003cp\u003eVolvo Penta 23219282 is a genuine OEM \u003cstrong\u003ediesel engine oil\u003c\/strong\u003e in a \u003cstrong\u003e4 litre\u003c\/strong\u003e container. The product label identifies it as \u003cstrong\u003eVDS-4.5 SAE 15W-40\u003c\/strong\u003e and \u003cstrong\u003eAPI CK-4\u003c\/strong\u003e, making it a heavy-duty marine diesel engine oil for Volvo Penta applications that call for this exact specification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Volvo Penta OEM oil\u003c\/li\u003e\n\u003cli\u003ePart number \u003cstrong\u003e23219282\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1L\u003c\/strong\u003e container\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVDS-4.5\u003c\/strong\u003e specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE 15W-40\u003c\/strong\u003e viscosity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI CK-4\u003c\/strong\u003e rating\u003c\/li\u003e\n\u003cli\u003eFormulated for \u003cstrong\u003ediesel engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003cbr\u003eFor Volvo Penta diesel engines that specify \u003cstrong\u003eVDS-4.5 SAE 15W-40\u003c\/strong\u003e engine oil. Confirm by engine model, serial number, and service specification before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003cbr\u003eMatch by exact \u003cstrong\u003eVolvo Penta engine model and serial number\u003c\/strong\u003e and confirm the required oil grade in the service literature before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003cbr\u003eUse during scheduled engine oil changes, seasonal service, or whenever fresh engine oil is required as part of routine diesel engine maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003cbr\u003eUse only where \u003cstrong\u003eVDS-4.5 SAE 15W-40\u003c\/strong\u003e is the correct specification. Follow the correct fill quantity and service interval for the exact engine application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlternate \/ Superseded Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e23219282\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003cbr\u003eThe important details on this oil are the actual spec callouts: \u003cstrong\u003eVDS-4.5\u003c\/strong\u003e, \u003cstrong\u003eSAE 15W-40\u003c\/strong\u003e, and \u003cstrong\u003eAPI CK-4\u003c\/strong\u003e. Those are the details that matter when matching oil to a Volvo Penta diesel service requirement.\u003c\/p\u003e\n\u003cp\u003eShipping: Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":43563994152996,"sku":"23219282","price":15.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/s-l400_12.jpg?v=1775839781"},{"product_id":"volvo-penta-marine-lubricating-grease-828250","title":"Volvo Penta Marine Lubricating Grease – 828250","description":"\u003ch2\u003eVolvo Penta Marine Lubricating Grease – Part Number 828250\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta (Genuine OEM)\u003cbr\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 828250\u003cbr\u003e\n\u003cstrong\u003eOfficial Product Type:\u003c\/strong\u003e Marine Lubricating Grease\u003cbr\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e No superseded number identified in current references\u003cbr\u003e\n\u003cstrong\u003eReplaced By:\u003c\/strong\u003e No replacement listed — 828250 is the current active part number\u003c\/p\u003e\n\n\u003cp\u003eThis is a genuine Volvo Penta OEM marine-grade lubricating grease formulated for use on Volvo Penta engine and drive system components. It is designed to provide reliable lubrication and corrosion protection in harsh marine environments, including saltwater exposure. Suitable for use on a wide range of metal-to-metal contact points, fittings, and moving components during assembly and routine service.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e General Lubrication \/ Corrosion Protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Marine-grade lubricating grease\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormula:\u003c\/strong\u003e Water-resistant, corrosion-inhibiting, suitable for marine environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Confirm current packaging size at time of order\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp\u003eThis is a general-purpose marine lubricating grease suitable for use across Volvo Penta engine and drive applications. Common use points include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGimbal bearings and gimbal ring contact surfaces\u003c\/li\u003e\n\u003cli\u003eU-joints and universal joint assemblies\u003c\/li\u003e\n\u003cli\u003eSteering components and pivot points\u003c\/li\u003e\n\u003cli\u003ePropeller shaft and hub splines\u003c\/li\u003e\n\u003cli\u003eCable connections and end fittings\u003c\/li\u003e\n\u003cli\u003eThreaded fasteners and hardware in corrosive environments\u003c\/li\u003e\n\u003cli\u003eGeneral metal-to-metal contact points during assembly and service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eConfirm suitability for your specific application against the Volvo Penta service manual for your engine or drive model before use.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhen to Use\u003c\/h2\u003e\n\u003cp\u003eApply this grease during:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRoutine engine and drive service\u003c\/li\u003e\n\u003cli\u003eComponent assembly or reassembly\u003c\/li\u003e\n\u003cli\u003eSeasonal layup and recommissioning\u003c\/li\u003e\n\u003cli\u003eGimbal bearing, U-joint, or steering service\u003c\/li\u003e\n\u003cli\u003ePropeller removal and reinstallation\u003c\/li\u003e\n\u003cli\u003eAny service where the Volvo Penta manual specifies marine lubricating grease\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply to clean surfaces for best adhesion and protection\u003c\/li\u003e\n\u003cli\u003eUse the quantity specified in the Volvo Penta service manual for the specific component\u003c\/li\u003e\n\u003cli\u003eDo not substitute with non-marine or incompatible grease types on components where Volvo Penta specifies this product\u003c\/li\u003e\n\u003cli\u003eFollow the product label and Volvo Penta service documentation for safe handling and application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eService Interval\u003c\/h2\u003e\n\u003cp\u003eApply as directed during scheduled service intervals for the specific component. Gimbal bearings, U-joints, and steering components typically have defined greasing intervals in the Volvo Penta service manual — refer to the manual for your specific engine and drive model. Reapply during seasonal service or any time the component is disassembled.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use any marine grease instead of this OEM product?\u003c\/strong\u003e\u003cbr\u003eVolvo Penta specifies this grease for use on their components. Using a non-OEM grease may be acceptable in some applications, but compatibility with seals, materials, and operating conditions should be confirmed against the Volvo Penta service manual before substituting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this grease suitable for underwater or submerged components?\u003c\/strong\u003e\u003cbr\u003eThis grease is formulated for marine environments and water-resistant use. For submerged components such as propeller shaft seals or underwater hardware, confirm the correct grease specification in the Volvo Penta service manual for your specific application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much grease do I need for a gimbal bearing service?\u003c\/strong\u003e\u003cbr\u003eRefer to the Volvo Penta service manual for your specific sterndrive model for the correct quantity. Over-greasing can be as problematic as under-greasing on sealed components.\u003c\/p\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003eMarine grease is one of those consumables that gets overlooked until something seizes or corrodes. Gimbal bearings and U-joints on Volvo Penta sterndrives are particularly vulnerable — they run in a wet environment and are often under-greased during annual service. Using the correct OEM-specified grease matters here because the wrong product can degrade seals or wash out faster in saltwater. If you’re doing sterndrive service, budget a tube of grease into the job — it’s inexpensive insurance against a much more costly bearing replacement.\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43564045565988,"sku":"828250","price":14.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/828250.png?v=1771393483"},{"product_id":"west-45","title":"Sierra 25W-40 4-Stroke Marine Engine Oil - 1 Quart","description":"\u003cp\u003eSierra premium 25W-40 4-stroke marine engine oil engineered for superior protection and performance in marine gasoline engines. This high-quality oil provides excellent lubrication, wear protection, and corrosion resistance for demanding marine applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e25W-40 viscosity for optimal protection across temperature ranges\u003c\/li\u003e\n\u003cli\u003eFormulated specifically for 4-stroke marine engines\u003c\/li\u003e\n\u003cli\u003eSuperior wear protection and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eMarine-grade additives for saltwater environments\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds marine engine manufacturer specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIdeal for 4-stroke marine gasoline engines including outboards, sterndrives, and inboards. Suitable for both freshwater and saltwater use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUsage Note:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFollow engine manufacturer's recommended oil change intervals. Check oil level regularly. Dispose of used oil properly at authorized recycling centers.\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564081807396,"sku":"18-9400-2","price":25.13,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/18-9400-2.png?v=1771875141"},{"product_id":"west-486","title":"ComStar Hum-Out Diesel Fuel Biocide 16 oz","description":"\u003ch2\u003eComStar Hum-Out Diesel Fuel Biocide — 16 oz\u003c\/h2\u003e\u003cp\u003eDiesel fuel tanks on boats are a prime environment for microbial growth. Bacteria, algae, and fungi thrive at the water-fuel interface that naturally forms in marine tanks — producing the dark sludge and slime that clogs filters, corrodes tank walls, and causes hard-starting and rough-running engines. Hum-Out kills that microbial contamination at the source.\u003c\/p\u003e\u003cp\u003eA single treatment with ComStar Hum-Out eliminates existing microbial colonies and prevents regrowth, keeping your fuel system clean and your engine running reliably. It’s compatible with all diesel engines and fuel system components, and won’t harm injectors, seals, or filters.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 16 oz (473 mL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Diesel fuel biocide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Kills and prevents microbial growth in diesel fuel tanks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e All diesel engines and fuel system materials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CMP-FH0316\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBest For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDiesel-powered boats showing signs of fuel contamination — dark fuel, clogged filters, or rough running\u003c\/li\u003e\n\u003cli\u003ePreventive treatment at spring commissioning and fall layup\u003c\/li\u003e\n\u003cli\u003eTanks that have been sitting with fuel over winter or extended storage\u003c\/li\u003e\n\u003cli\u003eAny diesel system where water intrusion into the tank is a concern\u003c\/li\u003e\n\u003cli\u003eRoutine annual maintenance on inboard and inboard\/outboard diesel engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAdd to the fuel tank before filling — the fuel fill mixes the product throughout the tank\u003c\/li\u003e\n\u003cli\u003eOne 16 oz bottle treats up to 250 gallons of diesel fuel\u003c\/li\u003e\n\u003cli\u003eFor heavy contamination, a double dose may be required for the initial treatment\u003c\/li\u003e\n\u003cli\u003eFollow all label directions and safety precautions\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This is a strong recommendation for any customer with a diesel-powered boat, particularly those who store their vessel over winter with fuel in the tank. Microbial contamination is one of the most common and underdiagnosed causes of diesel engine problems in marine applications — customers often chase injector or filter issues without realizing the root cause is biological. Hum-Out is an easy, affordable fix and a great add-on sale at spring commissioning or when a customer is buying fuel filters. 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Store in a cool, dry place away from heat sources and open flames. Use in well-ventilated areas. Keep out of reach of children. Refer to safety data sheet for complete handling instructions.\u003c\/p\u003e\n\n\u003cp\u003eA must-have for boat owners in cold climates, this fuel additive protects your investment and ensures your engine is ready when you are. Stock up before winter to keep your fuel system protected all season long.\u003c\/p\u003e","brand":"WEST","offers":[{"title":"Default Title","offer_id":43564274450468,"sku":"SOL-53-391","price":14.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/SOL-53-391_13f4f9d7-6f4a-4af0-af74-3af1d821d84e.png?v=1771105274"},{"product_id":"yamaha-4m-10w-30-marine-engine-oil-1l-ymr-4m10w-30-lt","title":"Yamaha 4M 10W-30 Marine Engine Oil 1L YMR-4M10W-30-LT","description":"\u003cp\u003eYamaha 4M 10W-30 marine engine oil, 1L bottle. Formulated for Yamaha 4-stroke outboard engines. 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Provides year-round protection in all operating conditions, from cold starts to high-temperature continuous operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAdvanced synthetic formula provides superior wear protection, reduces friction for improved fuel economy, and maintains viscosity under extreme temperatures. Protects against sludge, varnish, and deposits while extending engine life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance Note:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFollow Yanmar's recommended oil change intervals. Use only Yanmar Y-Spec oil to maintain warranty coverage and ensure optimal engine protection. Check oil level regularly and top up as needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuality Assurance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBacked by Yanmar's engineering excellence and reputation for reliable marine propulsion systems. Professional-grade synthetic oil for commercial and recreational vessels.\u003c\/p\u003e","brand":"YAN","offers":[{"title":"Default Title","offer_id":43564305580068,"sku":"50540","price":12.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/50540.png?v=1771205317"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/collections\/Oils_Lubricants.png?v=1769553590","url":"https:\/\/marisolmarine.com\/collections\/oils-lubricants.oembed?page=7","provider":"Marisol Marine Company","version":"1.0","type":"link"}