{"product_id":"quicksilver-10w-40-marine-engine-oil-92-8m0148477","title":"Mercury – 10W-40 4-Stroke Marine Engine Oil, 1 Gallon | FourStroke Lubrication Series | Mineral Base Oil | 8M0148477","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 10W-40 4-Stroke Marine Engine Oil, 1 Gallon | FourStroke Lubrication Series | Mineral Base Oil | 8M0148477\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOil changes aren’t the glamorous part of boating, but they’re the part that keeps the whole story going. When you’re miles from the ramp \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the water turns unpredictable, you want to know your engine \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis protected\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e on the inside, not just rinsed clean on the outside. Good marine oil gives you that quiet confidence—like the motor is running smooth, steady, and cared for, even when you’re asking a lot from it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part is the kind of oil you pour in and don’t overthink afterward. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for the heat, the moisture, the long idle at the dock, and the hard run back home. If you’re the type who wants your engine to last, this is one of the simplest habits you can keep.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFour-stroke marine engine oil designed for outboard, sterndrive, and inboard engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMineral base\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e oil with a marine-focused additive package\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps protect against corrosion and excessive wear in marine conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to handle heat and stress from high revolutions per minute operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps protect against varnish build-up and sludge formation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eViscosity rating: 10W-40\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds FC-W marine engine oil requirements, including \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecatalyst compatible\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e standards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne-gallon bottle size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0148477\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for four-stroke marine engines \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eincluding\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMercury and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eother\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e four-stroke outboards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSterndrive engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInboard engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMany personal watercraft engines that specify this grade\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on bass boats, pontoons, center consoles, cruisers, and family runabouts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eAlways follow your owner’s manual for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexact\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e oil type and service interval\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou can’t see oil working, but you can feel the results over time. With the right 10W-40 marine oil, your engine tends to sound calmer and run more consistently, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eespecially\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e when the day includes a mix of idle time and long, hot runs. Marine use is tough on oil. You’re dealing with humidity, the potential for salt exposure, and temperature swings that don’t always match car or truck conditions. This oil \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis formulated\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for that reality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe viscosity is a practical middle ground for many four-stroke marine engines. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s meant\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to maintain a stable protective film when the engine is warm and working, while still flowing well enough during start-up to protect moving parts quickly. That protective “cushion” matters for longevity. It helps reduce wear where it counts—under load, at higher revolutions per minute, and during those long cruises where the engine is doing steady work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnother thing boat owners appreciate is cleanliness. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOil that helps control sludge and varnish keeps the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003einside of the\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e engine in better \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eshape\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewhich supports\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e smoother operation and simpler long-term maintenance.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Pair it with routine service and good filters, and you’re stacking the deck in your favor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith oil, the safest choice is the one made to meet marine engine expectations, not automotive guesses. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to meet recognized marine oil requirements and to protect against corrosion, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewhich is\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a constant threat \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003earound water\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM-grade oil is a practical investment because it supports warranty-minded standards, predictable protection, and long-term engine life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAftermarket oils can be fine, but not all are truly marine-focused. My advice to a fellow boater is simple: use oil designed for the water environment, and you’ll worry less and run more.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines or systems does the 10W-40 4-Stroke Marine Engine Oil fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s intended for four-stroke marine outboard, sterndrive, and inboard engines that specify 10W-40 marine oil in the owner’s manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this part different from aftermarket alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s a Mercury Marine part formulated for marine corrosion protection and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehigh-revolution per minute\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e operation, meeting FC-W standards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHow do I know if\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e this \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the correct replacement for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCheck your owner’s manual for the recommended viscosity\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and marine oil specification, then match the part number to 8M0148477.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this be used in both saltwater and freshwater applications?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for marine environments in general, including saltwater \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003euse\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e where corrosion protection is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eespecially important\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. Most owners can handle an oil change with basic tools and the correct procedure. If you’re unsure, a marine shop can do it quickly.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933877850403,"sku":"92-8M0148477","price":38.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0148477_1.jpg?v=1761748488","url":"https:\/\/partsvu.com\/en-au\/products\/quicksilver-10w-40-marine-engine-oil-92-8m0148477","provider":"PartsVu","version":"1.0","type":"link"}