{"product_id":"mercury-mercruiser-v-belt-39-1-2-inch-57-862054q","title":"Mercury – V-Belt 39-1\/2\" | MerCruiser 3.0L Alpha One \u0026 MPI EC | Reinforced Marine Rubber | 862054Q","description":"\u003cp data-start=\"0\" data-end=\"114\"\u003e\u003cstrong data-start=\"0\" data-end=\"114\"\u003eMercury – V-Belt 39-1\/2\" | MerCruiser 3.0L Alpha One \u0026amp; MPI EC | Reinforced Marine Rubber | 862054Q\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"116\" data-end=\"119\"\u003e\n\u003cp data-start=\"121\" data-end=\"658\"\u003e\u003cstrong data-start=\"121\" data-end=\"133\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"133\" data-end=\"136\"\u003eEvery boater knows that sometimes it’s the simplest parts that carry the most responsibility. A good belt doesn’t demand your attention—it quietly does its job while you trim up, throttle forward, and enjoy the day on the water. With the Mercury Marine part number 862054Q V-Belt, you get that steady reassurance that your 3.0L MerCruiser is breathing, cooling, and charging the way it should. It’s the kind of reliability that lets you settle into a long run or ease into a narrow marina channel without a second thought.\u003c\/p\u003e\n\u003chr data-start=\"660\" data-end=\"663\"\u003e\n\u003cp data-start=\"665\" data-end=\"683\"\u003e\u003cstrong data-start=\"665\" data-end=\"681\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"684\" data-end=\"1135\"\u003e\n\u003cli data-start=\"684\" data-end=\"740\"\u003e\n\u003cp data-start=\"686\" data-end=\"740\"\u003eReplacement V-belt measuring 39-1\/2 inches in length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"741\" data-end=\"818\"\u003e\n\u003cp data-start=\"743\" data-end=\"818\"\u003eReinforced marine-grade rubber construction for long life and steady grip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"819\" data-end=\"900\"\u003e\n\u003cp data-start=\"821\" data-end=\"900\"\u003eMatches the exact specifications of the original belt installed by MerCruiser\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"901\" data-end=\"975\"\u003e\n\u003cp data-start=\"903\" data-end=\"975\"\u003eDesigned to maintain consistent tension for smooth accessory operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"976\" data-end=\"1059\"\u003e\n\u003cp data-start=\"978\" data-end=\"1059\"\u003eFits both 3.0L Alpha One and 3.0L MPI EC engines within specified serial ranges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1060\" data-end=\"1135\"\u003e\n\u003cp data-start=\"1062\" data-end=\"1135\"\u003eManufactured to Mercury Marine OEM standards for guaranteed performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1137\" data-end=\"1140\"\u003e\n\u003cp data-start=\"1142\" data-end=\"1175\"\u003e\u003cstrong data-start=\"1142\" data-end=\"1173\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1176\" data-end=\"1614\"\u003e\n\u003cli data-start=\"1176\" data-end=\"1275\"\u003e\n\u003cp data-start=\"1178\" data-end=\"1275\"\u003eFits MerCruiser 3.0L Alpha One engines, serial number range 1A002000–1A020543 and 1A020544 \u0026amp; up\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1276\" data-end=\"1350\"\u003e\n\u003cp data-start=\"1278\" data-end=\"1350\"\u003eFits MerCruiser 3.0L MPI EC engines, serial number range 1A072812 \u0026amp; up\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1351\" data-end=\"1440\"\u003e\n\u003cp data-start=\"1353\" data-end=\"1440\"\u003eIdeal for runabouts, bowriders, deck boats, cuddy cabins, and smaller family cruisers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1441\" data-end=\"1511\"\u003e\n\u003cp data-start=\"1443\" data-end=\"1511\"\u003eWorks with sterndrive accessory systems requiring a 39-1\/2\" V-belt\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1512\" data-end=\"1614\"\u003e\n\u003cp data-start=\"1514\" data-end=\"1614\"\u003eCompatible with cooling, alternator, and accessory systems designed for traditional V-belt routing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1616\" data-end=\"1619\"\u003e\n\u003cp data-start=\"1621\" data-end=\"2063\"\u003e\u003cstrong data-start=\"1621\" data-end=\"1657\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1657\" data-end=\"1660\"\u003eA V-belt might not be glamorous, but you’ll feel its impact every time you turn the key. A fresh, properly sized belt means your alternator spins freely, your water pump circulates steadily, and your engine accessories keep rhythm without slipping or squealing. The 862054Q delivers a tight, confident grip on the pulleys, even as your boat transitions from idle to plane or pushes through choppy water.\u003c\/p\u003e\n\u003cp data-start=\"2065\" data-end=\"2499\"\u003eThe belt’s marine-specific rubber compound resists heat, moisture, and the constant strain of changing RPM. This longevity matters when your weekends take you far from the dock—or when you’re just looking to avoid surprise maintenance mid-season. Because it’s a Mercury Marine OEM component, the fit is exact. It seats easily, tensions predictably, and performs with the quiet steadiness that’s often missing from aftermarket options.\u003c\/p\u003e\n\u003cp data-start=\"2501\" data-end=\"2779\"\u003eFor many boaters, replacing the belt is part of routine upkeep, and this one installs smoothly with common tools. That easy fit, combined with the lasting durability, makes it one of those parts you can install with confidence and forget about until your next scheduled service.\u003c\/p\u003e\n\u003chr data-start=\"2781\" data-end=\"2784\"\u003e\n\u003cp data-start=\"2786\" data-end=\"3154\"\u003e\u003cstrong data-start=\"2786\" data-end=\"2801\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"2801\" data-end=\"2804\"\u003eIn the world of belts, small differences matter. Aftermarket belts may be close in size, but variations in rubber density, rib shape, or tension characteristics can create noise, premature wear, or accessory strain. The 862054Q is built to Mercury Marine’s exact specifications, ensuring a secure fit and proper performance across the full RPM range.\u003c\/p\u003e\n\u003cp data-start=\"3156\" data-end=\"3424\"\u003eChoosing OEM means fewer surprises, fewer re-tensioning issues, and a much lower risk of slippage. It’s simply the most dependable choice for keeping a 3.0L MerCruiser running as it should. When you’re out on the water, trust counts—and OEM parts are built to earn it.\u003c\/p\u003e\n\u003chr data-start=\"3426\" data-end=\"3429\"\u003e\n\u003cp data-start=\"3431\" data-end=\"3438\"\u003e\u003cstrong data-start=\"3431\" data-end=\"3438\"\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3440\" data-end=\"3593\"\u003e\u003cstrong data-start=\"3440\" data-end=\"3490\"\u003eQ1: Which engines does the 862054Q V-Belt fit?\u003c\/strong\u003e\u003cbr data-start=\"3490\" data-end=\"3493\"\u003eIt fits MerCruiser 3.0L Alpha One and 3.0L MPI EC engines within the specified serial number ranges.\u003c\/p\u003e\n\u003cp data-start=\"3595\" data-end=\"3772\"\u003e\u003cstrong data-start=\"3595\" data-end=\"3657\"\u003eQ2: What makes this belt better than aftermarket versions?\u003c\/strong\u003e\u003cbr data-start=\"3657\" data-end=\"3660\"\u003eOEM belts match factory tension, material quality, and length, ensuring reliable grip and long-term performance.\u003c\/p\u003e\n\u003cp data-start=\"3774\" data-end=\"3933\"\u003e\u003cstrong data-start=\"3774\" data-end=\"3832\"\u003eQ3: How do I confirm it’s the right part for my setup?\u003c\/strong\u003e\u003cbr data-start=\"3832\" data-end=\"3835\"\u003eCheck your engine serial number and compare it with your owner’s or service manual specifications.\u003c\/p\u003e\n\u003cp data-start=\"3935\" data-end=\"4098\"\u003e\u003cstrong data-start=\"3935\" data-end=\"4004\"\u003eQ4: Can it be used in both freshwater and saltwater environments?\u003c\/strong\u003e\u003cbr data-start=\"4004\" data-end=\"4007\"\u003eAbsolutely. The belt is made from marine-ready materials designed for any water conditions.\u003c\/p\u003e\n\u003cp data-start=\"4100\" data-end=\"4236\"\u003e\u003cstrong data-start=\"4100\" data-end=\"4140\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"4140\" data-end=\"4143\"\u003eYes. Most boaters can replace this belt with basic tools and standard maintenance experience\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626577584419,"sku":"57-862054Q","price":34.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/862054Q.jpg?v=1761568027","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-mercruiser-v-belt-39-1-2-inch-57-862054q","provider":"PartsVu","version":"1.0","type":"link"}