GM Genuine Parts 55580981 Timing Belt Tensioner Assembly

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.

• Helps keep constant tension on the timing belt to help keep the vehicle running in proper time
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies