An ACDelco GM Original Equipment Turbocharger Wastegate Solenoid is a GM-recommended replacement for your vehicle’s original component. It is used by the engine management computer to control engine boost pressure. The solenoid valve regulates the opening of the turbocharger wastegate. This original equipment turbocharger wastegate solenoid has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.