ACDelco GM Original Equipment Timing Belt Tensioner Assembly 55580981

ACDelco GM Original Equipment Engine Timing Belt Tensioners help keep constant tension on the timing belt to help prevent the engine from jumping time. They also help keep the valve train and timing in sync, and are GM-recommended replacements for your vehicle’s original components. These original equipment tensioners have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.