{"product_id":"mercury-mercruiser-serpentine-belt-2830-mm-fits-mcm-496-mag-57-865615q01","title":"Mercury – Serpentine Belt | Engine Drive System | Rubber Composite | 865615Q01","description":"\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Serpentine Belt | Engine Drive System | Rubber Composite | 865615Q01\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s something calming\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e about knowing the heart of your engine is turning exactly the way it should. When you’re running a big block like the MerCruiser 496 Magnum, every accessory driven by that serpentine belt plays a part in keeping the day smooth—whether you’re easing away from the dock at sunrise or trimming up for a long run across open water. A dependable belt isn’t flashy, but you feel its importance every time the throttle responds without hesitation. This Mercury Marine part gives you that quiet confidence that your boat is ready for whatever the water brings.\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 to drive essential engine systems on MerCruiser 496 Magnum engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt from a durable rubber composite formulated for marine environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMeasures 2,830mm in length for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eprecise\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e factory-matched fit\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 for stable tension, clean tracking, 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 496 Magnum engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with serial number range 0M025000 through 0W309999\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommonly found on performance runabouts, sport cruisers, tow boats, and larger offshore vessels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for both sterndrive and inboard configurations that utilize this specific drive 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 A serpentine belt may look simple, but its impact is anything but. With this Mercury Marine part, you’ll feel the difference in the way your accessories operate—steady alternator output, consistent cooling flow, smooth steering assist, and a tight, responsive feel across the entire system. The correct belt maintains proper grip and tension, which means fewer slips, fewer hot spots, and fewer surprises when you’re miles from the ramp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBecause it’s built to match the exact specifications of your original equipment, installation is straightforward. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe belt seats cleanly into the pulleys without \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e awkward stretch or slack \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyou\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e sometimes \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eget from\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e aftermarket options.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Once installed, you’ll notice how the engine settles into a smooth rhythm, free of squeals and inconsistent loading. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePlus, its marine-formulated construction \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estands up to\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e heat, moisture, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003elong hours of\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e run \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etime\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e—reducing the need for frequent replacements and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehelping keep\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e your maintenance routine simple.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing the correct belt isn’t just about convenience—it’s about protecting your engine. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAn OEM part like this one \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003egives you\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e reliable material quality, accurate sizing, and proven durability \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eunder\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e real-world boating conditions.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e You’re not gambling on the hardness of the rubber, the precision of the grooves, or the long-term stretch. Y\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eou’re getting \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what MerCruiser intended for your engine, which translates to fewer headaches and better long-term value. When fellow boaters ask for advice, this is the kind of part you confidently recommend, because it just works the first time.\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 Mercury engines does this serpentine belt fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser 496 Magnum engines within serial numbers 0M025000–0W309999.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this different from aftermarket belts?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The sizing, material quality, and groove profile match the original equipment exactly, giving you smoother accessory operation and better long-term reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s the correct belt?\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 serial number, compare length, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ereference\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e your owner’s manual.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your engine is a 496 Magnum in the listed range, this belt is the correct replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for saltwater and freshwater boats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, the composite material \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation simple?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters with basic tools can replace it themselves by relieving tension and routing the belt according to the engine diagram.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46939329691939,"sku":"57-865615Q01","price":87.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/865615q01_main.jpg?v=1760631268","url":"https:\/\/partsvu.com\/fr\/products\/mercury-mercruiser-serpentine-belt-2830-mm-fits-mcm-496-mag-57-865615q01","provider":"PartsVu","version":"1.0","type":"link"}