ACDelco 38157 Professional Automatic Belt Tensioner and Pulley Assembly

Labyrinth seal stops contamination of internal parts for maximum durability and service life

Machined steel pulley reduces surface wear while shielding the internal bearing from outside contaminants

Double row bearings minimize friction for reduced bearing wear and noise

Round spring wire includes a chrome-silicone torsion spring for less flex-fatigue than flat-wire designs

Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of belt, tensioner, and other accessory drive components

The ACDelco Professional, premium aftermarket Heavy Duty Automatic Belt Tensioner is manufactured to meet or exceed demanding manufacturer requirements. Itâ€s equipped with a patented design that provides superior belt alignment and tension for improved drive efficiency and life. Its patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner, and other accessory drive components. This premium aftermarket replacement heavy duty automatic belt tensioner is manufactured to meet your expectations for fit, form, and function.
Brand: ACDelco, Model: 38157