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check for leaks before returning the vessel to service
Place a drain pan under the lower unit and remove the gear oil drain and vent screws to empty the oil
Reassemble the cylinder
Disconnect the battery for safety
Position the new gasket
Serpentine Belt – Fits MerCruiser V6/V8 Alpha & Bravo Engines (Replaces 57-865615-003, 57-865615Q03) 3.5HP check for leaks before returningProduct Details This is a high quality aftermarket MerCruiser Serpentine Belt 57 865615Q03, designed for MerCruiser V6 and V8 (305, 350, & 377 cid) engines manufactured from 20012016. It is specifically compatible with Alpha sterndrive engines equipped with closed cooling systems and Bravo sterndrive engines with standard cooling, covering serial numbers from 0M320025 through 2A455872. This belt serves as a direct replacement for MerCruiser part
