{"product_id":"mercury-mercruiser-serpentine-belt-2285-mm-fits-mie-8-1s-mcm-496-mag-engines-57-865615q02","title":"Mercury – Serpentine Belt | Engine Drive System | Rubber Composite | 865615Q02","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Serpentine Belt | Engine Drive System | Rubber Composite | 865615Q02\u003c\/span\u003e\u003c\/h3\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 When you’re running a boat that carries the weight and grunt of an 8.1S or 496 Magnum engine, you can feel every part doing its job—especially the serpentine belt. It’s one of those pieces you rarely think about when everything’s working right, but you absolutely notice when it isn’t. That’s why having a reliable, factory-matched belt gives you a level of comfort you can’t put a price on. Whether you’re cruising a long stretch of open water or easing into a tight marina slip, this Mercury Marine part keeps your engine systems moving in smooth, steady rhythm.\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 MerCruiser 8.1S engines (2001–2004) and 496 Magnum engines (2001–2005)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt from a durable marine-grade rubber composite\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMeasures 2,285mm for exact factory-matched fit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for engines where the power steering pump has \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebeen removed\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMatches the original belt installed by MerCruiser\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered to maintain proper tension, clean pulley engagement, and long service life\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\"\u003eFits MerCruiser 8.1S engines from serial numbers 0M025000–0W389999\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser 496 Magnum engines from serial numbers 0M025000–0W389999\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks on engines configured without a power steering pump\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on performance cruisers, offshore boats, tow boats, and larger multi-purpose vessels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for both sterndrive and inboard layouts using this accessory setup\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 There’s a certain feel you get when your belt \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eproperly matched\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e—accessories spin smoothly, electrical output stays stable, and cooling stays predictable. This belt delivers that reliable steadiness. It grabs confidently without slipping, tracks cleanly on the pulleys, and keeps all driven systems operating in sync. You’ll notice fewer squeals, fewer fluctuations under load, and a more balanced feel across the entire engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBecause the belt length and groove pattern are identical to the original, installation is trouble-free. It slips into place with the correct natural tension, avoiding the overstretch or slack that sometimes comes with aftermarket belts. Once installed, the engine settles into a tight, precise rhythm that simply feels right.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIts marine-formulated construction is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebuilt\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etolerate\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e long days of heat, moisture, and vibration—\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emeaning\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fewer replacements and less maintenance overall.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e On a high-output engine like the 8.1S or 496 Magnum, that durability pays off every time you turn the key.\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 it comes to belts, proper fit isn’t a luxury—it’s a necessity. An OEM part ensures you’re getting the exact material quality, groove depth, and length required for your engine to perform \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe way it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. You won’t fight premature wear, slip, or misalignment. You also avoid the gamble of inconsistent rubber compounds found in many aftermarket options. I\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ef a fellow boater asked what to choose, you’d recommend the OEM belt without hesitation. It’s dependable, cost-effective, and built for the long haul.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does this belt fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser 8.1S engines (2001–2004) and 496 Magnum engines (2001–2005) within the listed serial range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it different from aftermarket belts?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It matches the original specifications exactly, ensuring proper tension, smooth engagement, and long-term durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm it’s the right belt?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your serial number, confirm your engine model, and verify that your power steering pump has been removed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater boats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, the belt material \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for both environment\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003es.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters can replace it using basic tools and the engine’s belt-routing diagram.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46939329724707,"sku":"57-865615Q02","price":77.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/865615q02_main.jpg?v=1760631326","url":"https:\/\/partsvu.com\/fr-ca\/products\/mercury-mercruiser-serpentine-belt-2285-mm-fits-mie-8-1s-mcm-496-mag-engines-57-865615q02","provider":"PartsVu","version":"1.0","type":"link"}