Dorman Automatic Belt Tensioners

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 Show Less