Product information:865615Q10 Serpentine Belt, brand new replacement, precisely measures 2,195 mm in length to fit for MerCruiser 2001 and newer MIE engines equipped with closed cooling systems and a 4.25-inch idler pulley. Matches part number 865615Q10 for accurate fitment. Please verify your engine specifications before purchase. Wide Compatibility:​ Designed for select MerCruiser sterndrive engines, also suitable for Mercury and Mariner outboards requiring the 865615Q10 belt specification. Ideal for maintaining proper function of engine systems driven by the belt. Quality Material:​ This 865615Q10 Serpentine Belt is produced from durable, heat-resistant materials to withstand harsh marine environments, maximizing performance of your engine, ensuring long-term reliability DIY Repair:​ Direct replacement design installs easily with common hand tools. Simply remove the old belt and fit the new one —minimizing downtime and avoiding costly mechanic visits. Resolve Common Issues:​ Effectively replaces worn, cracked, glazed, or slipping belts that may cause overheating or accessory failure. Restores safe and efficient engine operation and maintains proper function of belt-driven systems. Customer Service: Backed by our worry-free after-sales support. If you have any fitment or performance questions about the 865615Q10 serpentine belt, contact us anytime for quick assistance