{"product_id":"57-892318-57-8m0026410-serpentine-belt-for-mercury-optimax-3-cyl-dfi-75-125hp","title":"57-892318 57-8M0026410 Serpentine Belt for Mercury Optimax 3 Cyl Dfi 75 125HP","description":"\u003cstrong\u003eThis Serpentine Belt is a drive belt compatible with Mercury Optimax 3-cylinder DFI 75-125HP engines and matches OEM Part# 57-892318, 57-8M0026410.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis serpentine belt drives essential engine accessories on Mercury Optimax outboard motors. Designed for 3-cylinder DFI models from 75 to 125 horsepower, it ensures reliable power transmission to the alternator, water pump, and other components. This OEM replacement serpentine belt restores factory performance and longevity.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement for exact fit and function\u003c\/li\u003e\n\u003cli\u003eConstructed from high-strength rubber compound for durability\u003c\/li\u003e\n\u003cli\u003eResists cracking, glazing, and wear from heat and oil exposure\u003c\/li\u003e\n\u003cli\u003eEngineered to handle the load of multiple accessories simultaneously\u003c\/li\u003e\n\u003cli\u003ePrecisely sized to maintain proper tension and reduce slippage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMercury Optimax 3-cylinder DFI 75HP, 90HP, 115HP, 125HP\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePowering the alternator for battery charging\u003c\/li\u003e\n\u003cli\u003eDriving the raw water pump for engine cooling\u003c\/li\u003e\n\u003cli\u003eOperating the power steering pump (if equipped)\u003c\/li\u003e\n\u003cli\u003eTransferring rotation from the crankshaft to accessory pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 57-892318, 57-8M0026410\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How often should the serpentine belt be replaced?\u003cstrong\u003e A:\u003c\/strong\u003e Inspect annually and replace every 2-3 years or if cracks, fraying, or glazing appear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this belt be used on a 2-cylinder Optimax?\u003cstrong\u003e A:\u003c\/strong\u003e No, it is specifically designed for 3-cylinder DFI 75-125HP engines; verify your engine model before purchase.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53676815679761,"sku":"ZZ2Y01123","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_a856a101-3c01-4a90-b96a-c2903def2c30.jpg?v=1781578702","url":"https:\/\/www.duraforce.com\/products\/57-892318-57-8m0026410-serpentine-belt-for-mercury-optimax-3-cyl-dfi-75-125hp","provider":"DURAFORCE","version":"1.0","type":"link"}