{"product_id":"quicksilver-4-stroke-marine-oil-synthetic-blend-25w40-gallon-92-8m0078623-3-pack","title":"Mercury – 25W-40 4-Stroke Marine Engine Oil, 1 Quart | FourStroke Lubrication Series | 25W-40 Marine Oil | 8M0078619","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 25W-40 4-Stroke Marine Engine Oil, 1 Quart | FourStroke Lubrication Series | 25W-40 Marine Oil | 8M0078619\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s a certain comfort in hearing your engine settle into a smooth idle after you launch. No rattles, no hesitation—just that steady, familiar hum that tells you everything is ready. Clean oil is a big part of that feeling, especially on a boat where heat, humidity, and salty air are always trying to wear things down. When you’re counting on your motor to bring you back after a long run, you don’t want to wonder if your oil can keep up.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part is a straightforward, dependable 25W-40 oil made for real marine use. I\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003et’s the kind of quart you keep on hand for a proper service or a mid-season top-off, so your engine keeps running smooth and confident all year.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFour-stroke marine engine oil designed for sterndrive and outboard applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eViscosity rating: 25W-40\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFormulated for superior corrosion resistance and wear protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eB\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003euilt to help reduce friction and protect internal components for long engine life\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSpecial viscosity modifiers help support \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eperformance\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e of high-revolutions-per-minute four-stroke outboards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds marine industry requirements, including FC-W and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecatalyst compatible\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e FC-W standards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBottle size: 32 fluid ounces (1 quart)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0078619\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for use in four-stroke marine engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for many four-stroke outboards that specify 25W-40\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSuitable\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for many four-stroke sterndrive applications that specify 25W-40\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on bass boats, pontoons, center consoles, bay boats, family runabouts, and cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine engines ask a lot from oil. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne trip might be a long cruise at speed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe next \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emight be\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e idling through no-wake zones with the sun baking the cowling.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Oil has to protect across that whole range. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis 25W-40 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehold up under\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e heat and maintain its protective film so the engine stays feeling tight and steady when you’re running hard.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCorrosion protection is where marine oil really proves itself. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBoats sit between trips, often in damp air, and that downtime is when moisture can do damage \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003equietly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A corrosion-resistant formula helps protect internal parts even when the engine isn’t running, which is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what weekend boaters need. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOver time, that can mean fewer issues that creep up slowly—sticky components, extra wear, or performance that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e doesn’t feel as crisp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe quart size keeps things practical. It’s easy to pour, easy to store, and perfect for topping off after service or \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeeping\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in the garage for the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003enext\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e oil change. When your routine is simple, you’re more likely to stay on schedule, and your engine benefits every time.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOil isn’t the place to guess. A genuine Mercury Marine part like this \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis made\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to meet marine standards and protect against the specific threats engines face on the water—corrosion, heat, and sustained load. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for fit-for-purpose marine performance, not automotive shortcuts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAftermarket oils vary widely, and some don’t offer the same marine-focused corrosion resistance or certified performance. OEM keeps it straightforward: the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e viscosity, the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e protection, and reliable results that support long-term engine health.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines or systems does the 25W-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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for four-stroke marine engines, including many outboards and sterndrives that specify 25W-40 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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to meet marine industry requirements, including FC-W and catalyst compatible standards, with corrosion resistance designed for boating conditions.\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 If it calls for 25W-40, match the part number to 8M0078619.\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 formulated for marine use in \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eeither environment\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, with corrosion protection that’s especially \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehelpful\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in saltwater.\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. Use it for standard oil changes or top-offs. Follow your manual for capacity, change intervals, and proper disposal.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906489635,"sku":"PVMP0392","price":155.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078623_x3-bundle.jpg?v=1701377122","url":"https:\/\/partsvu.com\/en-au\/products\/quicksilver-4-stroke-marine-oil-synthetic-blend-25w40-gallon-92-8m0078623-3-pack","provider":"PartsVu","version":"1.0","type":"link"}