{"product_id":"sierra-95528-synthetic-blend-25w50-fcw-marine-engine-oil-1l","title":"Sierra 95528 Synthetic Blend 25W-50 FC-W Marine Engine Oil – 1 L","description":"\u003ch2\u003eSierra 95528 Synthetic Blend 25W-50 FC-W Marine Engine Oil – 1 L\u003c\/h2\u003e\u003cp\u003eA high-performance synthetic blend engine oil formulated for 4-stroke outboard and inboard marine engines that do \u003cstrong\u003enot\u003c\/strong\u003e use a catalytic converter. The 25W-50 viscosity grade is engineered to maintain a stable, protective oil film under the high-load, high-temperature conditions common in performance and high-horsepower marine applications.\u003c\/p\u003e\u003cp\u003eSold in 1-litre containers. Case quantities available.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNMMA FC-W® certified and API SL rated — meets OEM requirements for non-catalyst 4-stroke outboard and inboard engines\u003c\/li\u003e\n\u003cli\u003eSynthetic blend formula delivers superior wear protection compared to conventional oils\u003c\/li\u003e\n\u003cli\u003eEnhanced rust and corrosion inhibitors protect against moisture and salt exposure in marine environments\u003c\/li\u003e\n\u003cli\u003eHigh load-carrying capability for demanding, high-RPM operation\u003c\/li\u003e\n\u003cli\u003eResists viscosity breakdown under sustained high-temperature conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: 95528 (SKU: 47-95528)\u003c\/li\u003e\n\u003cli\u003eViscosity: 25W-50\u003c\/li\u003e\n\u003cli\u003eCertification: NMMA FC-W®, API SL\u003c\/li\u003e\n\u003cli\u003eVolume: 1 Litre\u003c\/li\u003e\n\u003cli\u003eApplication: 4-stroke outboard and inboard engines \u003cstrong\u003ewithout\u003c\/strong\u003e catalytic converter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e The 25W-50 viscosity is best suited for high-horsepower 4-stroke outboards and inboards — particularly older or performance-oriented engines that run hotter and harder than typical recreational motors. This is \u003cem\u003enot\u003c\/em\u003e catalyst-compatible; if your engine has a catalytic exhaust system, you’ll need an FC-W Catalyst rated oil instead. For a complete oil and filter service solution, see the \u003ca href=\"\/products\/11120075898916\"\u003eSierra 9391 Yamaha 4-Stroke Oil Change Kit\u003c\/a\u003e as a reference for engine-specific kits available in the Sierra lineup.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199652823076,"sku":"47-95528","price":28.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/47-95512_f9658282-cd42-4ab9-8ec8-fbcddeaed0f8.jpg?v=1785611202","url":"https:\/\/marisolmarine.com\/products\/sierra-95528-synthetic-blend-25w50-fcw-marine-engine-oil-1l","provider":"Marisol Marine Company","version":"1.0","type":"link"}