Fits: 2004.5 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LLY/LBZ/LMM Duramax Diesel
Eliminate the weak factory spring belt tensioner with Wagler Competition's . These are a must when running dual CP3 pumps on your serpentine belt setup.
Features:
- Reduce belt slip & thrown belts
- Mechanical design, will not wear like factory tensioner
Includes:
- Mechanical belt tensioner