{"product_id":"gearlube-gallon-92-8m0111679","title":"Mercury – Quicksilver 85W-90 Extreme Performance Gear Lube, 1 Gallon | Gearcase Lubrication | 92-8M0111679","description":"\u003cp data-start=\"0\" data-end=\"106\"\u003eMercury – Quicksilver 85W-90 Extreme Performance Gear Lube, 1 Gallon | Gearcase Lubrication | 92-8M0111679\u003c\/p\u003e\n\u003chr data-start=\"108\" data-end=\"111\"\u003e\n\u003ch3 data-start=\"113\" data-end=\"127\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"128\" data-end=\"674\"\u003eHigh-performance gearcases don’t get an easy life. Long wide-open runs, heavy loads, sudden throttle changes—those gears see everything. When you’re running equipment that hard, ordinary gear oil just doesn’t cut it. This Quicksilver 85W-90 blend is the stuff mechanics use when they know a gearcase is going to be punished. It hangs onto the teeth, stays thick when the drive gets hot, and gives you a cushion of protection even if water sneaks its way inside. If you want your lower unit to hold up to real use, this is the kind of oil you run.\u003c\/p\u003e\n\u003chr data-start=\"676\" data-end=\"679\"\u003e\n\u003ch3 data-start=\"681\" data-end=\"699\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"700\" data-end=\"1163\"\u003e • \u003cstrong data-start=\"703\" data-end=\"736\"\u003eBuilt for High-Load Gearcases\u003c\/strong\u003e – Ideal for outboard and sterndrive setups that get pushed hard.\u003cbr data-start=\"801\" data-end=\"804\"\u003e • \u003cstrong data-start=\"807\" data-end=\"824\"\u003e85W-90 Weight\u003c\/strong\u003e – Holds up when gears are under heavy pressure and rising temps.\u003cbr data-start=\"889\" data-end=\"892\"\u003e • \u003cstrong data-start=\"895\" data-end=\"930\"\u003eTackifiers \u0026amp; Pressure Additives\u003c\/strong\u003e – Help the oil cling to gear surfaces instead of washing off.\u003cbr data-start=\"992\" data-end=\"995\"\u003e • \u003cstrong data-start=\"998\" data-end=\"1024\"\u003eHeat-Resistant Formula\u003c\/strong\u003e – Doesn’t thin out during long, hot runs.\u003cbr data-start=\"1066\" data-end=\"1069\"\u003e • \u003cstrong data-start=\"1072\" data-end=\"1102\"\u003eWater-Handling Emulsifiers\u003c\/strong\u003e – Offers protection if water finds its way into the housing.\u003c\/p\u003e\n\u003chr data-start=\"1165\" data-end=\"1168\"\u003e\n\u003ch3 data-start=\"1170\" data-end=\"1203\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1204\" data-end=\"1361\"\u003e • Outboard racing lower units\u003cbr data-start=\"1234\" data-end=\"1237\"\u003e • Sterndrive performance gearcases\u003cbr data-start=\"1272\" data-end=\"1275\"\u003e • High-load marine and powersports gear systems\u003cbr data-start=\"1323\" data-end=\"1326\"\u003e • Performance-tuned applications\u003c\/p\u003e\n\u003chr data-start=\"1363\" data-end=\"1366\"\u003e\n\u003ch3 data-start=\"1368\" data-end=\"1406\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1407\" data-end=\"1849\"\u003eThis lube keeps the gears feeling smooth and controlled even when the engine is working hard. You’ll notice fewer hot-run noises, better gear engagement, and more consistent performance on long WOT stretches. The oil’s film strength helps prevent metal-on-metal contact during sudden throttle hits—something that can take out a gearset fast. And if the housing picks up a bit of water, this blend buys you time until you can drain and refill.\u003c\/p\u003e\n\u003chr data-start=\"1851\" data-end=\"1854\"\u003e\n\u003ch3 data-start=\"1856\" data-end=\"1873\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1874\" data-end=\"2246\"\u003eMercury tests this oil in the same style gearcases it’s meant to protect—real heat, real torque, real load. It’s blended for the materials and clearances Mercury uses in their drives. Cheaper aftermarket oils might meet basic specs, but they rarely hold up when the gearcase is pushed to its limits. With something as expensive as a lower unit, OEM protection is worth it.\u003c\/p\u003e\n\u003chr data-start=\"2248\" data-end=\"2251\"\u003e\n\u003ch3 data-start=\"2253\" data-end=\"2262\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"2263\" data-end=\"2379\"\u003e\u003cstrong data-start=\"2263\" data-end=\"2314\"\u003eQ1: How often should this gear lube be changed?\u003c\/strong\u003e\u003cbr data-start=\"2314\" data-end=\"2317\"\u003e\u003cstrong data-start=\"2317\" data-end=\"2323\"\u003eA:\u003c\/strong\u003e Once a season or every 100 hours—whichever comes first.\u003c\/p\u003e\n\u003cp data-start=\"2381\" data-end=\"2506\"\u003e\u003cstrong data-start=\"2381\" data-end=\"2425\"\u003eQ2: Is this oil only for racing engines?\u003c\/strong\u003e\u003cbr data-start=\"2425\" data-end=\"2428\"\u003e\u003cstrong data-start=\"2428\" data-end=\"2434\"\u003eA:\u003c\/strong\u003e No. It’s great for any boat that’s run hard or sees a lot of heavy use.\u003c\/p\u003e\n\u003cp data-start=\"2508\" data-end=\"2641\"\u003e\u003cstrong data-start=\"2508\" data-end=\"2563\"\u003eQ3: Will it help if water gets inside the gearcase?\u003c\/strong\u003e\u003cbr data-start=\"2563\" data-end=\"2566\"\u003e\u003cstrong data-start=\"2566\" data-end=\"2572\"\u003eA:\u003c\/strong\u003e Yes—the emulsifiers protect metal surfaces until you can service it.\u003c\/p\u003e\n\u003cp data-start=\"2643\" data-end=\"2750\"\u003e\u003cstrong data-start=\"2643\" data-end=\"2692\"\u003eQ4: Does this lube handle high-RPM heat well?\u003c\/strong\u003e\u003cbr data-start=\"2692\" data-end=\"2695\"\u003e\u003cstrong data-start=\"2695\" data-end=\"2701\"\u003eA:\u003c\/strong\u003e Very well—that’s exactly what it’s designed for.\u003c\/p\u003e\n\u003cp data-start=\"2752\" data-end=\"2890\"\u003e\u003cstrong data-start=\"2752\" data-end=\"2797\"\u003eQ5: Should I mix it with other gear oils?\u003c\/strong\u003e\u003cbr data-start=\"2797\" data-end=\"2800\"\u003e\u003cstrong data-start=\"2800\" data-end=\"2806\"\u003eA:\u003c\/strong\u003e It’s best not to. Drain completely and stick with one type for reliable protection.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933880308003,"sku":"92-8M0111679","price":78.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0111679_main.jpg?v=1760631400","url":"https:\/\/partsvu.com\/en-mx\/products\/gearlube-gallon-92-8m0111679","provider":"PartsVu","version":"1.0","type":"link"}