Serpentine Belt – Fits MerCruiser V6/V8 (Replaces 57-865615-003, 57-865615Q03) 25HP This task is considered intermediate

This task is considered intermediate to advanced

For OMC Stern Drives

marine-grade adhesive sealant (such as 3M 5200 or a similar product) suitable for below-the-waterline applications to ensure a durable

Ensure the engine is off and the seacock is closed before starting

Is this an original HPE drive

Serpentine Belt – Fits MerCruiser V6/V8 (Replaces 57-865615-003, 57-865615Q03) 25HP This task is considered intermediateProduct Details This replacement Serpentine Belt is designed for MerCruiser 4. 3L, 5. 0L, 5. 7L, and 6. 2L V6 V8 engines from 19992016. It fits Alpha sterndrives equipped with closed cooling and Bravo sterndrives with standard cooling, ensuring reliable power transmission to engine accessories. It serves as a direct replacement for Mercury MerCruiser part numbers 57 8638763, 57 865615 003, and 57 865615Q03, as well as aftermarket equivalents from