Idler pulley 865444T is for use on MerCruiser V8 engines with serpentine belts. This flat, 3.5-inch pulley is a direct replacement for the original equipment and is designed to ensure the reliable operation of belt-driven systems. Quicksilver is the leader in delivering uncompromising marine parts.
- Fits MerCruiser V8 (350, 377, and 496 CID) engines with serpentine belts
- Flat 3.5 in. pulley design
- Easy to install with common shop tools
- Produced to meet Mercury Marine original equipment manufacturer specifications