{"product_id":"quicksilver-10w-30-4-stroke-marine-engine-oil-1-quart-synthetic-mineral-blend-for-corrosion-wear-protection","title":"Quicksilver 10W-30 4-Stroke Marine Engine Oil, 1 Quart — Synthetic\/Mineral Blend for Corrosion \u0026 Wear Protection","description":"\u003cb\u003eQuicksilver 10W-30 4-Stroke Marine Engine Oil (1 Quart) is a premium synthetic\/mineral blend formulated to protect sterndrive, inboard and outboard 4-stroke marine engines from wear, corrosion and viscosity breakdown.\u003c\/b\u003e\n\n\u003cp\u003eClean, stable engine oil is one of the simplest ways to extend the working life of a boat motor. This Quicksilver 10W-30 formula combines high-quality synthetic and mineral base stocks with marine-grade additives to deliver shear strength, viscosity retention and protection against the salty, humid conditions that accelerate corrosion. It meets and exceeds marine 4-stroke specifications, including FC-W and FC-W Catalyst Compatible, and carries manufacturer part number 8M0078616.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect my engine in marine environments?\u003c\/h3\u003e\n\u003cp\u003eThe additive package in Quicksilver 10W-30 is designed to resist acid formation, fight rust and guard bearings and cylinder walls against wear. Stability under heat and pressure keeps the oil film intact, reducing metal-to-metal contact during heavy throttle or long runs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrosion inhibitors protect internal surfaces from salt and moisture.\u003c\/li\u003e\n  \u003cli\u003eAnti-wear additives reduce scoring and extend component life.\u003c\/li\u003e\n  \u003cli\u003eShear-resistant formulation maintains viscosity under load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil work in my outboard, sterndrive, or inboard 4-stroke?\u003c\/h3\u003e\n\u003cp\u003eYes — the product is engineered specifically for 4-stroke marine outboards as well as inboard and sterndrive engines. It satisfies industry FC-W requirements and is compatible with catalyst systems, making it suitable across a wide range of modern marine powerplants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10W-30 viscosity for broad operating temperatures and load conditions.\u003c\/li\u003e\n  \u003cli\u003eRecommended for engines requiring FC-W or FC-W Catalyst Compatible oil.\u003c\/li\u003e\n  \u003cli\u003eFits both recreational and light-commercial marine applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the Quicksilver 10W-30 in my boat?\u003c\/h3\u003e\n\u003cp\u003eChange intervals depend on engine hours, operating conditions and manufacturer guidance. For typical recreational use, follow the engine maker's service schedule; for heavy or corrosive environments, shorten intervals and inspect oil condition regularly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConsult your engine manual for manufacturer-recommended service intervals.\u003c\/li\u003e\n  \u003cli\u003eInspect oil for discoloration or metal particles between changes.\u003c\/li\u003e\n  \u003cli\u003eShorten intervals if frequently operating in saltwater or high-load conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical benefits I’ll notice after switching to Quicksilver 10W-30?\u003c\/h3\u003e\n\u003cp\u003eRegular use produces smoother idling, reduced knocking under load, and consistent performance during long runs. Maintaining proper oil condition also minimizes unscheduled maintenance and helps preserve resale value by reducing wear-related damage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved cold-start lubrication with 10W-30 viscosity.\n  \u003c\/li\u003e\n  \u003cli\u003eSteadier oil pressure and reduced noise under load.\u003c\/li\u003e\n  \u003cli\u003eEnhanced resistance to oxidation and viscosity loss over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Boaters, marine technicians and fleet managers who run four-stroke outboard, inboard or sterndrive engines and want a dependable, OEM-aligned oil will benefit from Quicksilver 10W-30. It’s particularly useful for owners of Mercury Marine equipment and for anyone seeking an oil that meets FC-W and catalyst-compatibility requirements. Choose this 1-quart bottle for routine top-ups, spot replacements or when following manufacturer service intervals to help protect your investment and keep your vessel on the water.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Quicksilver 10W-30 compatible with catalytic converters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This formula is FC-W Catalyst Compatible and suitable for engines requiring catalyst-compatible marine oil.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this oil in both outboards and sterndrives?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s engineered for 4-stroke outboards, inboard and sterndrive engines meeting marine FC-W specs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":48087019815070,"sku":"B013F5ESZE","price":30.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/quicksilver-front-label.jpg?v=1785914164","url":"https:\/\/northtrailauto.ca\/products\/quicksilver-10w-30-4-stroke-marine-engine-oil-1-quart-synthetic-mineral-blend-for-corrosion-wear-protection","provider":"North Trail Auto","version":"1.0","type":"link"}