Keep your engine’s critical systems running in perfect sync with the Mercury/Quicksilver 65607Q V-Belt. Engineered specifically as a genuine OEM direct replacement for select MerCruiser 2.5L and 3.0L engines (including 3.0L Alpha One, TKS, and MPI EC sterndrives), this 37-inch belt delivers smooth, efficient power transfer from the crankshaft to essential accessories like your alternator and water pump. Constructed from a high-grade reinforced rubber compound embedded with synthetic cords, it is precision-molded to resist stretching, cracking, and glazing under heavy marine loads and high engine compartment temperatures. By maintaining precise tension and dramatically reducing belt slippage and noise, the Quicksilver 65607Q protects your boat from alternator charging drops and cooling failures, giving you peace of mind and reliable performance out on the water.