Mercruiser Serpentine Belt Idler Pulley for 4.3/5.0/5.7/350 V6/V8
Mercruiser Serpentine Belt Idler Pulley for 4.3/5.0/5.7/350 V6/V8
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Mercruiser Serpentine Belt Idler Pulley for 4.3, 5.0, 5.7, 350 V6/V8
Includes: Idler Pulley, Installation Hardware
Fits Models: Mercruiser V6 and V8 Engines
Model Years: 1990 - 2023
Submodels: Various Mercruiser models equipped with 4.3L, 5.0L, 5.7L, and 350 engines
Engine Options: 4.3L V6, 5.0L V8, 5.7L V8, 350 V8
Description: Enhance the performance and reliability of your Mercruiser engine with this high-quality serpentine belt idler pulley. Designed specifically for 4.3L, 5.0L, 5.7L, and 350 V6/V8 engines, this idler pulley ensures smooth operation of your serpentine belt system, reducing wear and tear on your engine components. Its durable construction provides long-lasting performance, making it an essential replacement part for maintaining optimal engine function.
Features:
- Engineered for compatibility with a range of Mercruiser models
- Improves belt alignment and tension for better engine performance
- Easy installation with included hardware
- Enhances overall engine efficiency and longevity
Upgrade your Mercruiser engine today for improved performance and reliability!

Mercruiser Serpentine Belt Idler Pulley for 4.3/5.0/5.7/350 V6/V8
Mercruiser Serpentine Belt Idler Pulley for 4.3/5.0/5.7/350 V6/V8
Mercruiser Serpentine Belt Idler Pulley for 4.3, 5.0, 5.7, 350 V6/V8
Includes: Idler Pulley, Installation Hardware
Fits Models: Mercruiser V6 and V8 Engines
Model Years: 1990 - 2023
Submodels: Various Mercruiser models equipped with 4.3L, 5.0L, 5.7L, and 350 engines
Engine Options: 4.3L V6, 5.0L V8, 5.7L V8, 350 V8
Description: Enhance the performance and reliability of your Mercruiser engine with this high-quality serpentine belt idler pulley. Designed specifically for 4.3L, 5.0L, 5.7L, and 350 V6/V8 engines, this idler pulley ensures smooth operation of your serpentine belt system, reducing wear and tear on your engine components. Its durable construction provides long-lasting performance, making it an essential replacement part for maintaining optimal engine function.
Features:
- Engineered for compatibility with a range of Mercruiser models
- Improves belt alignment and tension for better engine performance
- Easy installation with included hardware
- Enhances overall engine efficiency and longevity
Upgrade your Mercruiser engine today for improved performance and reliability!