The Quicksilver Serpentine Belt Idler Pulley is designed for select MerCruiser engines made by General Motors. Constructed from long-lasting thermal resin with a molded-in bearing, this 3-inch, six-groove pulley ensures the reliable operation of engine systems driven by the serpentine belt.
- Fits select MerCruiser 4.3L, 5.0L, 5.7L, 6.2L, and 8.2L engines
- 3 in. diameter thermal resin pulley with six grooves
- Bearing is molded directly into the thermal resin
- Easy to install and maintains proper belt function
