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Fits: 2004.5-2010 LLY/LBZ/LMM Duramax Diesel
\n

Eliminate the weak factory spring belt tensioner. 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

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Fits: 2004.5-2010 LLY/LBZ/LMM Duramax Diesel\n

Fits: 2004.5-2010 LLY/LBZ/LMM Duramax Diesel
\n