3" Serpentine Belt Idler Pulley 18-6457, 807757 for Mercruiser GM V6 V8

3" Serpentine Belt Idler Pulley 18-6457, 807757 for Mercruiser GM V6 V8

Sale price  $92.00 Regular price  $144.00
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3" Serpentine Belt Idler Pulley 18-6457, 807757 for Mercruiser GM V6 V8

3" Serpentine Belt Idler Pulley 18-6457, 807757 for Mercruiser GM V6 V8

Sale price  $92.00 Regular price  $144.00

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Includes: - 3" Serpentine Belt Idler Pulley

Fits Models: - Mercruiser GM V6 and V8 engines

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Common engine sizes include 4.3L V6, 5.0L V8, 5.7L V8, and 6.2L V8

Description: This 3" serpentine belt idler pulley is designed for use with Mercruiser GM V6 and V8 engines, ensuring optimal performance and reliability. It is a direct replacement part that helps maintain proper belt tension and alignment, contributing to the smooth operation of your engine's accessory drive system.

Features: - Durable construction for long-lasting performance - Precision-engineered for a perfect fit - Helps reduce belt wear and noise - Easy installation for DIY enthusiasts

Part Number: 18-6457, 807757

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