GM Genuine Parts 89017309 Drive Belt Tensioner
ACDelco GM Original Equipment Drive Belt Tensioner Assemblies are spring-loaded pulleys designed to draw tension on your vehicle€s serpentine belt, and are GM-recommended replacements for your vehicle€s original components. These original equipment drive belt tensioner assemblies have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
