Serpentine Belt Idler Pulley Mercruiser 4.3 V6 V8

This Serpentine Belt Idler Pulley is designed for Mercruiser 4.3, 5.0, 5.7, and 350 MAG V6 and V8 engines, ensuring smooth operation.

• Brand: Mercruiser | Fitment: 4.3, 5.0, 5.7, 350 MAG V6 V8
• Diameter: 3 inches | Material: Durable construction
• Includes: Idler pulley assembly