Put some tension on your belts with Dorman automatic belt tensioners. Rigorously tested for sustained performance by a team of product and quality engineers, Dorman’s automatic belt tensioner assemblies are designed to provide proper tension to vehicle serpentine belts. They incorporate a damping design, torsion spring, and sealing system to ensure the proper functioning of many integral engine components. Replace worn-out or weak parts with Dorman automatic belt tensioners. The automatic belt tensioner should be replaced whenever the serpentine belt is replaced.

Features include:
* Quality tests include torque testing, spring-back testing, corrosion-resistance testing, and on-vehicle testing
* Solid steel or aluminum construction for long-lasting durability
* Highly resistant to heat and shock
* Designed to fit properly every time