GM Genuine Parts 12634456 Secondary Air Injection Pump with Bracket

An ACDelco GM Original Equipment Secondary Air Injection Pump is an emission control component and is a GM-recommended replacement for your vehicle’s original component. The secondary air system injects air into your vehicle’s downstream exhaust system to assist in reducing emissions. This original equipment secondary air injection pump has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.