ACDelco 12585233 Engine Harmonic Balancer

ACDelco GM Original Equipment Engine Harmonic Balancers help help reduce torsional vibrations by connecting to the crankshaft of your vehicle’s engine. They serve as pulleys for the engine accessory drive belts, and are GM-recommended replacements for your vehicle’s original components. These original equipment harmonic balancers have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.