{"product_id":"sierra-18-9440cat-4-25w-40-synthetic-blend-catalyst-4-stroke-marine-engine-oil-5-quart-4-7l-outboard-sterndrive-inboard-fc-w-cat-compatible","title":"Sierra 25W-40 Synthetic Blend Catalyst Engine Oil, 5 Quart (18-9440CAT-4)","description":"\u003cp\u003eSierra 25W-40 Synthetic Blend Catalyst Engine Oil is a 5 quart (4.7 L) supply of marine-grade 4-stroke engine oil, part number 18-9440CAT-4. It is formulated to meet the unique demands of modern 4-stroke recreational marine engines, including those equipped with emission catalyst systems. The oil is approved for use across all 4-stroke applications, covering outboard, sterndrive, and inboard engines, and it exceeds all 4-stroke oil requirements including FC-W and FC-W Cat Compatible standards set for marine engine lubricants.\u003c\/p\u003e\u003cp\u003eThe synthetic blend formulation is designed to offer maximum corrosion protection, helping guard internal engine components against the moisture and saltwater exposure common in marine environments. Packaged in a 5 quart bottle, this size is well suited for boat owners performing their own oil changes on 4-stroke outboard, sterndrive, or inboard engines that call for a catalyst-compatible synthetic blend oil.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-9440CAT-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 5 Quart (4.7 L)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e 25W-40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormulation:\u003c\/strong\u003e Synthetic Blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 4-Stroke Outboard, Sterndrive, and Inboard Engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e Exceeds FC-W and FC-W Cat Compatible requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContainer Type:\u003c\/strong\u003e Bottle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9.82 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282326050\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Quantity:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eApproved for all 4-stroke applications including outboard, sterndrive, and inboard engines.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines is this oil approved for?\u003c\/strong\u003e Sierra 18-9440CAT-4 25W-40 Synthetic Blend Catalyst Engine Oil is approved for all 4-stroke applications, including outboard, sterndrive, and inboard engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this oil compatible with catalyst-equipped engines?\u003c\/strong\u003e Yes, this 25W-40 synthetic blend oil is specifically designed to meet the requirements of modern 4-stroke recreational engines with or without emission catalyst systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this oil meet FC-W standards?\u003c\/strong\u003e It exceeds all 4-stroke oil requirements, including both FC-W and FC-W Cat Compatible standards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size does the 18-9440CAT-4 come in?\u003c\/strong\u003e This part number is packaged as a 5 quart (4.7 L) bottle of oil.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat viscosity is this oil?\u003c\/strong\u003e Sierra 18-9440CAT-4 is a 25W-40 viscosity synthetic blend engine oil.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a full synthetic or synthetic blend oil?\u003c\/strong\u003e It is a synthetic blend formulation, not a full synthetic oil.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 5 quart bottle weigh?\u003c\/strong\u003e The 5 quart bottle of Sierra 18-9440CAT-4 engine oil weighs 9.82 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat corrosion protection does this oil offer?\u003c\/strong\u003e The formulation is designed to offer maximum corrosion protection for 4-stroke marine engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this oil be used in outboard engines only?\u003c\/strong\u003e No, Sierra 18-9440CAT-4 is approved for outboard, sterndrive, and inboard 4-stroke engines, not outboards alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for this product?\u003c\/strong\u003e The UPC for the 5 quart bottle of Sierra 18-9440CAT-4 oil is 808282326050.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988436693211,"sku":"SIE-18-9440CAT-4","price":50.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/18-9440CAT-4.png?v=1784938592","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-9440cat-4-25w-40-synthetic-blend-catalyst-4-stroke-marine-engine-oil-5-quart-4-7l-outboard-sterndrive-inboard-fc-w-cat-compatible","provider":"Good Vibes Marina","version":"1.0","type":"link"}