{"product_id":"mercury-belt-serpentine-57-828507q5","title":"Mercury – Quicksilver 828507Q5 Alternator Belt | Mercury 3.0L V6 OptiMax Outboards (Non-Pro Models) | 828507Q5","description":"\u003cp data-start=\"0\" data-end=\"116\"\u003e\u003cstrong data-start=\"0\" data-end=\"114\"\u003eMercury – Quicksilver 828507Q5 Alternator Belt | Mercury 3.0L V6 OptiMax Outboards (Non-Pro Models) | 828507Q5\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"118\" data-end=\"121\"\u003e\n\u003ch3 data-start=\"123\" data-end=\"141\"\u003e\u003cstrong data-start=\"127\" data-end=\"139\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"142\" data-end=\"515\"\u003eWhen your alternator belt slips or starts squealing, it’s a sign it’s done its time. The \u003cstrong data-start=\"231\" data-end=\"271\"\u003eQuicksilver 828507Q5 Alternator Belt\u003c\/strong\u003e is the factory replacement for \u003cstrong data-start=\"303\" data-end=\"381\"\u003eMercury 3.0L V6 OptiMax outboards (non-Pro models, serial 1B227000 and up)\u003c\/strong\u003e. It’s the same belt Mercury installs on new motors—made to handle big power and constant RPM changes without stretching or glazing.\u003c\/p\u003e\n\u003cp data-start=\"517\" data-end=\"748\"\u003eThis belt keeps your alternator spinning steady so your battery stays charged, your electronics stay on, and your engine management system gets the juice it needs. It’s tough, flexible, and built for real-world marine conditions.\u003c\/p\u003e\n\u003chr data-start=\"750\" data-end=\"753\"\u003e\n\u003ch3 data-start=\"755\" data-end=\"777\"\u003e\u003cstrong data-start=\"759\" data-end=\"775\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"780\" data-end=\"883\"\u003e\n\u003cstrong data-start=\"780\" data-end=\"792\"\u003ePurpose:\u003c\/strong\u003e Drives the alternator to maintain a steady charge for your battery and boat electronics.\u003c\/li\u003e\n\u003cli data-start=\"886\" data-end=\"1007\"\u003e\n\u003cstrong data-start=\"886\" data-end=\"899\"\u003eMaterial:\u003c\/strong\u003e Built from \u003cstrong data-start=\"911\" data-end=\"945\"\u003ereinforced marine-grade rubber\u003c\/strong\u003e with fiber-filled ribs that won’t crack or slip under load.\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1109\"\u003e\n\u003cstrong data-start=\"1010\" data-end=\"1026\"\u003ePerformance:\u003c\/strong\u003e Holds tension through heat, salt, and vibration while staying quiet at high RPM.\u003c\/li\u003e\n\u003cli data-start=\"1112\" data-end=\"1214\"\u003e\n\u003cstrong data-start=\"1112\" data-end=\"1123\"\u003eDesign:\u003c\/strong\u003e Matches the original Mercury belt exactly for a smooth, balanced fit on factory pulleys.\u003c\/li\u003e\n\u003cli data-start=\"1217\" data-end=\"1314\"\u003e\n\u003cstrong data-start=\"1217\" data-end=\"1243\"\u003eEase of Use \/ Install:\u003c\/strong\u003e Installs in minutes with hand tools—no mods or adjustments required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1316\" data-end=\"1319\"\u003e\n\u003ch3 data-start=\"1321\" data-end=\"1358\"\u003e\u003cstrong data-start=\"1325\" data-end=\"1356\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1361\" data-end=\"1435\"\u003eMercury 3.0L V6 OptiMax outboards (non-Pro models, serial 1B227000 \u0026amp; up)\u003c\/li\u003e\n\u003cli data-start=\"1438\" data-end=\"1506\"\u003eCommon on bay boats, performance fishing rigs, and offshore setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1508\" data-end=\"1511\"\u003e\n\u003ch3 data-start=\"1513\" data-end=\"1556\"\u003e\u003cstrong data-start=\"1517\" data-end=\"1554\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1557\" data-end=\"1904\"\u003eThe \u003cstrong data-start=\"1561\" data-end=\"1578\"\u003e828507Q5 belt\u003c\/strong\u003e does the simple job of keeping your alternator working right—but it does it better and longer than cheap copies. Its grip stays tight even under heavy throttle, so your alternator doesn’t skip a beat. The fibers in the rubber help it flex without stretching, meaning fewer squeals, less wear, and consistent power delivery.\u003c\/p\u003e\n\u003cp data-start=\"1906\" data-end=\"2082\"\u003eSwapping in this belt takes less than half an hour and prevents headaches later—no weak charging, no dead batteries, and no guessing whether your belt can handle another run.\u003c\/p\u003e\n\u003chr data-start=\"2084\" data-end=\"2087\"\u003e\n\u003ch3 data-start=\"2089\" data-end=\"2113\"\u003e\u003cstrong data-start=\"2093\" data-end=\"2111\"\u003eWhy Choose OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2114\" data-end=\"2354\"\u003eMercury’s belts are designed specifically for their motors, not adapted from automotive parts. They’re tested to handle marine heat, moisture, and long-term torque loads. Aftermarket belts can slip, stretch early, or simply not fit right.\u003c\/p\u003e\n\u003cp data-start=\"2356\" data-end=\"2521\"\u003eA \u003cstrong data-start=\"2358\" data-end=\"2386\"\u003egenuine Quicksilver belt\u003c\/strong\u003e fits perfectly, runs quieter, and lasts longer. It’s one of those small details that keeps your engine feeling solid and dependable.\u003c\/p\u003e\n\u003chr data-start=\"2523\" data-end=\"2526\"\u003e\n\u003ch3 data-start=\"2528\" data-end=\"2541\"\u003e\u003cstrong data-start=\"2532\" data-end=\"2539\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2542\" data-end=\"2679\"\u003e\u003cstrong data-start=\"2542\" data-end=\"2577\"\u003eQ1: What engines use this belt?\u003c\/strong\u003e\u003cbr data-start=\"2577\" data-end=\"2580\"\u003eA: It fits \u003cstrong data-start=\"2591\" data-end=\"2645\"\u003e3.0L V6 Mercury OptiMax outboards (non-Pro models)\u003c\/strong\u003e, serial \u003cstrong data-start=\"2654\" data-end=\"2676\"\u003e1B227000 and newer\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2681\" data-end=\"2783\"\u003e\u003cstrong data-start=\"2681\" data-end=\"2707\"\u003eQ2: What’s it made of?\u003c\/strong\u003e\u003cbr data-start=\"2707\" data-end=\"2710\"\u003eA: Reinforced rubber with fiber ribs that add strength and flexibility.\u003c\/p\u003e\n\u003cp data-start=\"2785\" data-end=\"2902\"\u003e\u003cstrong data-start=\"2785\" data-end=\"2817\"\u003eQ3: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"2817\" data-end=\"2820\"\u003eA: Yes—loosen the tensioner, slip it on, and tighten back up. It’s an easy swap.\u003c\/p\u003e\n\u003cp data-start=\"2904\" data-end=\"3035\"\u003e\u003cstrong data-start=\"2904\" data-end=\"2942\"\u003eQ4: How often should I replace it?\u003c\/strong\u003e\u003cbr data-start=\"2942\" data-end=\"2945\"\u003eA: Inspect it every season. If it’s cracking, shiny, or squealing, it’s time to replace.\u003c\/p\u003e\n\u003cp data-start=\"3037\" data-end=\"3143\"\u003e\u003cstrong data-start=\"3037\" data-end=\"3053\"\u003eQ5: Why OEM?\u003c\/strong\u003e\u003cbr data-start=\"3053\" data-end=\"3056\"\u003eA: It’s the same belt Mercury installs new—proper size, perfect tension, proven life.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626539376931,"sku":"57-828507Q5","price":52.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/828507q5_02.jpg?v=1761568009","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-belt-serpentine-57-828507q5","provider":"PartsVu","version":"1.0","type":"link"}