Description
Upgrade your 2001-2004 GM 6.6L Duramax LB7 with the Wagler WCPC661025 Mechanical Belt Tensioner for improved drive belt performance. Designed to replace the weaker stock spring tensioner, this competition-grade unit eliminates belt jump in high-RPM applications. Perfect for setups with dual CP3 pumps, this tensioner enhances the reliability and efficiency of your serpentine belt system.
Features:
- Made In The USA
- Direct Fit Replacement
- Maintains Tight Belt Tension


















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