{"product_id":"quicksilver-4-stroke-25w40-marine-engine-oil-gallon-92-8m0078620-3-pack","title":"Mercury – Quicksilver 25W-40 4-Stroke Marine Engine Oil | Marine Engine Oil | Standard Finish | 8M0078620","description":"\u003cp data-start=\"0\" data-end=\"123\"\u003e\u003cstrong data-start=\"0\" data-end=\"121\"\u003eMercury – Quicksilver 25W-40 4-Stroke Marine Engine Oil | Marine Engine Oil | Standard Finish | 8M0078620\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"125\" data-end=\"128\"\u003e\n\u003ch3 data-start=\"130\" data-end=\"148\"\u003e\u003cstrong data-start=\"134\" data-end=\"146\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"149\" data-end=\"717\"\u003eEvery boater knows that a smooth-running engine changes the whole feel of a day on the water. There’s a calm that settles in when you turn the key and hear that steady, confident hum you’ve come to trust. Quicksilver 25W-40 4-Stroke Marine Engine Oil, part number 8M0078620, is one of those behind-the-scenes essentials that helps make that moment possible. It brings the kind of protection that lets you push off from the dock without second-guessing what’s happening inside your engine, whether you are chasing a quiet sunrise or heading out for a long run offshore.\u003c\/p\u003e\n\u003chr data-start=\"719\" data-end=\"722\"\u003e\n\u003ch3 data-start=\"724\" data-end=\"746\"\u003e\u003cstrong data-start=\"728\" data-end=\"744\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"747\" data-end=\"1076\"\u003e\n\u003cli data-start=\"747\" data-end=\"803\"\u003e\n\u003cp data-start=\"749\" data-end=\"803\"\u003eDesigned specifically for four-stroke marine engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"804\" data-end=\"881\"\u003e\n\u003cp data-start=\"806\" data-end=\"881\"\u003eFormulated for strong corrosion resistance and dependable wear protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"882\" data-end=\"962\"\u003e\n\u003cp data-start=\"884\" data-end=\"962\"\u003eSpecial viscosity modifiers support high-rpm performance in modern outboards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"963\" data-end=\"1008\"\u003e\n\u003cp data-start=\"965\" data-end=\"1008\"\u003eTwenty-five weight forty viscosity rating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1009\" data-end=\"1035\"\u003e\n\u003cp data-start=\"1011\" data-end=\"1035\"\u003eOne gallon bottle size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1036\" data-end=\"1076\"\u003e\n\u003cp data-start=\"1038\" data-end=\"1076\"\u003eMercury Marine part number 8M0078620\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1078\" data-end=\"1081\"\u003e\n\u003ch3 data-start=\"1083\" data-end=\"1120\"\u003e\u003cstrong data-start=\"1087\" data-end=\"1118\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1121\" data-end=\"1457\"\u003e\n\u003cli data-start=\"1121\" data-end=\"1198\"\u003e\n\u003cp data-start=\"1123\" data-end=\"1198\"\u003eSuitable for Mercury outboards across a broad range of horsepower classes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1199\" data-end=\"1283\"\u003e\n\u003cp data-start=\"1201\" data-end=\"1283\"\u003eWorks effectively in Mercury sterndrive and inboard systems requiring 25W-40 oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1284\" data-end=\"1373\"\u003e\n\u003cp data-start=\"1286\" data-end=\"1373\"\u003eCompatible with many other leading marine engine brands using four-stroke lubrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1374\" data-end=\"1457\"\u003e\n\u003cp data-start=\"1376\" data-end=\"1457\"\u003eIdeal for pontoons, bass boats, center consoles, cruisers, and family runabouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1459\" data-end=\"1462\"\u003e\n\u003ch3 data-start=\"1464\" data-end=\"1506\"\u003e\u003cstrong data-start=\"1468\" data-end=\"1504\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1507\" data-end=\"1963\"\u003eOut on the water, you feel the difference good oil makes long before you think about it. The engine stays smooth during long idle stretches and steady when you push up through the throttle. This Quicksilver formula is designed to hold its viscosity even when temperatures climb or the load gets heavy, keeping the internal surfaces protected and running clean. That means tighter control, fewer surprises, and a stronger sense of trust in your equipment.\u003c\/p\u003e\n\u003cp data-start=\"1965\" data-end=\"2439\"\u003eThe corrosion protection is something seasoned boaters appreciate most. Salt, moisture, and constant temperature swings can take a toll on any engine, but this oil creates a durable protective layer that slows that wear down. Over time, that translates to easier maintenance, healthier components, and a quieter mind when you are miles from the dock. Even high-rpm engines benefit from its stability, giving you smooth acceleration and a confident response when you need it.\u003c\/p\u003e\n\u003chr data-start=\"2441\" data-end=\"2444\"\u003e\n\u003ch3 data-start=\"2446\" data-end=\"2467\"\u003e\u003cstrong data-start=\"2450\" data-end=\"2465\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2468\" data-end=\"3071\"\u003eChoosing a genuine Mercury Marine part is more than sticking with a familiar brand — it is choosing something that was engineered for the exact demands your engine faces. OEM oil is tested under the same extreme conditions as the engines themselves, so it delivers long-term reliability and consistent performance. Aftermarket blends often drift in quality, but Mercury oils are designed to protect, last, and fit the needs of your equipment the first time. It is a practical choice that saves money and stress in the long run, especially when you are committed to keeping your boat running at its best.\u003c\/p\u003e\n\u003chr data-start=\"3073\" data-end=\"3076\"\u003e\n\u003ch3 data-start=\"3078\" data-end=\"3091\"\u003e\u003cstrong data-start=\"3082\" data-end=\"3089\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3093\" data-end=\"3292\"\u003e\u003cstrong data-start=\"3093\" data-end=\"3178\"\u003eQ1: Which Mercury engines does Quicksilver 25W-40 4-Stroke Marine Engine Oil fit?\u003c\/strong\u003e\u003cbr data-start=\"3178\" data-end=\"3181\"\u003eIt is suitable for most Mercury four-stroke outboard, sterndrive, and inboard engines calling for a 25W-40 oil.\u003c\/p\u003e\n\u003cp data-start=\"3294\" data-end=\"3527\"\u003e\u003cstrong data-start=\"3294\" data-end=\"3362\"\u003eQ2: What makes this oil different from aftermarket alternatives?\u003c\/strong\u003e\u003cbr data-start=\"3362\" data-end=\"3365\"\u003eIt offers stronger corrosion resistance, better wear protection, and more stable viscosity under load because it is engineered specifically for marine conditions.\u003c\/p\u003e\n\u003cp data-start=\"3529\" data-end=\"3705\"\u003e\u003cstrong data-start=\"3529\" data-end=\"3586\"\u003eQ3: How do I know if this is the correct replacement?\u003c\/strong\u003e\u003cbr data-start=\"3586\" data-end=\"3589\"\u003eCheck your engine manual. If it lists twenty-five weight forty for four-stroke lubrication, this is the right match.\u003c\/p\u003e\n\u003cp data-start=\"3707\" data-end=\"3879\"\u003e\u003cstrong data-start=\"3707\" data-end=\"3782\"\u003eQ4: Can this oil be used in both saltwater and freshwater applications?\u003c\/strong\u003e\u003cbr data-start=\"3782\" data-end=\"3785\"\u003eYes, it performs reliably in either environment thanks to its corrosion-resistant formulation.\u003c\/p\u003e\n\u003cp data-start=\"3881\" data-end=\"4056\"\u003e\u003cstrong data-start=\"3881\" data-end=\"3921\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"3921\" data-end=\"3924\"\u003eAbsolutely. If you are comfortable performing your own oil changes, you will find this oil easy to work with and consistent to pour.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906751779,"sku":"PVMP0400","price":122.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0078620_1_1-bundle_1.jpg?v=1701377123","url":"https:\/\/partsvu.com\/en-au\/products\/quicksilver-4-stroke-25w40-marine-engine-oil-gallon-92-8m0078620-3-pack","provider":"PartsVu","version":"1.0","type":"link"}