{"product_id":"sierra-95513-10w40-fcw-synthetic-blend-4-cycle-marine-engine-oil-1-gal","title":"Sierra 95513 10W-40 FC-W Synthetic Blend 4-Cycle Marine Engine Oil – 1 Gal.","description":"\u003ch2\u003eSierra 95513 10W-40 FC-W Synthetic Blend Marine Engine Oil – 1 Gal.\u003c\/h2\u003e\u003cp\u003eA 1-gallon jug of Sierra’s 10W-40 synthetic blend marine engine oil, meeting both \u003cstrong\u003eNMMA FC-W\u003c\/strong\u003e and \u003cstrong\u003eAPI SL\u003c\/strong\u003e certifications. Formulated for 4-cycle outboard and inboard engines operating without a catalytic converter, this oil maintains a stable viscosity film across a wide temperature range while delivering elevated rust and corrosion inhibitors suited to both saltwater and freshwater environments. The synthetic blend base provides strong shear stability and high-load bearing protection under sustained wide-open-throttle use.\u003c\/p\u003e\u003cp\u003eThe 1-gallon format is a practical choice for boaters who perform their own seasonal oil changes or want a reliable top-up supply on board without the bulk of a larger container.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 95513\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e 10W-40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e NMMA FC-W \/ API SL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine type:\u003c\/strong\u003e 4-cycle outboard and inboard (non-catalytic converter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 1 US gallon (~3.8 L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e Synthetic blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.7 kg (8.1 lb)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e The gallon jug is the most versatile format in the 10W-40 FC-W line — enough volume for a full oil change on most mid-size 4-stroke outboards, with enough left over for a top-up between services. If you only need a quart for a top-up or a partial change, see the \u003ca href=\"\/products\/sierra-95512-10w40-fcw-4-cycle-outboard-synthetic-blend-oil-qt\"\u003eSierra 95512 10W-40 FC-W Oil – Quart\u003c\/a\u003e. For high-volume shop or fleet use, the \u003ca href=\"\/products\/sierra-95517-10w40-fcw-synthetic-blend-4-cycle-marine-engine-oil-55-gal-drum\"\u003eSierra 95517 10W-40 FC-W Oil – 55 Gal. Drum\u003c\/a\u003e offers the best per-litre value. Not intended for 2-stroke engines or engines equipped with catalytic converters.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199652298788,"sku":"47-95513","price":74.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/47-95512_5ef78242-11bd-4abd-b206-a012794ab44c.jpg?v=1785611196","url":"https:\/\/marisolmarine.com\/products\/sierra-95513-10w40-fcw-synthetic-blend-4-cycle-marine-engine-oil-1-gal","provider":"Marisol Marine Company","version":"1.0","type":"link"}