GM Genuine Parts 12559325 Drive Belt Tensioner
The ACDelco GM Original Equipment Drive Belt Tensioner Assembly is a GM-recommended replacement for your vehicle€s original component. It is a spring-loaded pulley designed to draw tension on your vehicle€s serpentine belt. This original equipment drive belt tensioner assembly has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.