{"product_id":"mercury-w-10w30-4-stroke-syn-bld-qt-qs-8m0142135","title":"Mercury – Quicksilver 10W-30 4-Stroke Synthetic Marine Engine Oil | Marine Lubrication | Synthetic Blend | 8M0142135","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver 10W-30 4-Stroke Synthetic Marine Engine Oil | Marine Lubrication | Synthetic Blend | 8M0142135\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\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\"\u003e Every boater knows that peace of mind comes from the little things—like the quiet confidence you feel when you check your oil before heading out and know your engine is protected. Good oil does more than keep parts moving; it keeps your day on track, whether you are pushing across open water or easing into your favorite cove. Quicksilver 10W-30 Synthetic Marine Engine Oil 8M0142135 delivers that steady reassurance. It is the kind of oil you trust when the weather turns, the chop picks up, and you need your engine to respond without hesitation.\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\"\u003eDesigned for all four-stroke marine outboards, as well as inboard and sterndrive engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSynthetic blend formulation provides strong protection against wear and corrosion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eExcellent shear stability and viscosity retention under heavy marine loads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds all major marine engine manufacturer requirements\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSAE 10W-30 viscosity for broad temperature performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne-quart bottle; Mercury Marine part number 8M0142135\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\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for four-stroke outboards up to 150 horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eApproved for Mercury 3.4L V6 and 4.6L V8 outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for most sterndrives and inboard setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommonly used on center consoles, pontoons, runabouts, freshwater fishing boats, and light offshore vessels\u003c\/span\u003e\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\"\u003e Running a marine engine is nothing like running a car, and this oil behaves the way a marine engine needs it to. It holds its viscosity in pounding chop, high heat, and long idle stretches. You will feel the difference in smoother acceleration, steady mid-range power, and quieter operation at low speeds. The corrosion protection is especially noticeable—saltwater, humidity, and sitting at the dock can do real damage, but this blend keeps internal components cleaner and better shielded.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhat stands out most is how predictable it feels. Oil pressure stays tight and stable. The engine runs cool and controlled. You will not hear that stressed, strained tone that comes from oil breaking down under load. Instead, everything feels secure and ready for whatever the day brings.\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\"\u003e When you buy OEM marine oil, you are not paying for a label—you are paying for certainty. Mercury designs its lubricants specifically for the way marine engines operate: high revs, constant load, long hours, and harsh environments. Aftermarket oils may meet a basic rating, but they rarely match the marine-specific additives, corrosion inhibitors, and stability you get here.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you want your engine to last longer, perform better, and require fewer surprises at service time, OEM oil is simply the smarter choice. It is cost-effective protection with none of the guesswork.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does Quicksilver 10W-30 Oil 8M0142135 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It is recommended for all four-stroke Mercury outboards up to 150 horsepower, as well as the 3.4L V6 and 4.6L V8 platforms, plus most inboard and sterndrive engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this different from an automotive oil?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Marine oil handles moisture, constant load, and high RPM better. This blend is engineered specifically for those demands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm this is the right oil for my outboard?\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 10W-30 marine oil, this is the correct choice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is this oil suitable for saltwater and freshwater engines?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. It provides corrosion protection for both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is it simple to switch to this oil?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolut\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eely. If your engine calls for 10W-30 four-stroke oil, you can use it during your next oil change with no complications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933878669603,"sku":"92-8M0142135","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0142135_1_619ef23a-dd05-40f8-bd66-5865e615d6a6.jpg?v=1761748312","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-w-10w30-4-stroke-syn-bld-qt-qs-8m0142135","provider":"PartsVu","version":"1.0","type":"link"}