ACDelco GM Original Equipment 580-458 (19300046) Rear Shock Absorber
ACDelco GM Original Equipment Electronically Adjustable Shocks contain electro-magnetic responsive valving or special magneto-rheological fluid that is controlled by the vehicle’s chassis control system to increase or decrease the shock’s firmness in response to driving conditions. These original equipment electronically adjustable shocks are GM-recommended replacements for your vehicle’s original components and have been manufactured to fit your specific GM vehicle and provide the same performance, durability, and service life as your factory original equipment.