Engine idler pulley 807757T is for use on MerCruiser 4.3L, 5.0L, 5.7L, 6.2L, and 8.2L sterndrive or inboard engines having a serpentine belt and made by General Motors. The pulley is made of long-lasting thermal resin. The bearing is molded into the pulley. When replacing the idler pulley, check the pulley support bushing and serpentine belt for damage or wear. Replace as necessary to help keep your engine running at its peak performance.
Serpentine belt idler pulley is for select MerCruiser sterndrive and inboard engines
This thermal resin pulley is 3 in. diameter and has six grooves
The bearing is molded into the thermal resin pulley
When replacing the bushing, check serpentine belt for damage, or wear