ACDelco GM Original Equipment Secondary Air Injection Shut-Off Valve regulates the flow of secondary air into the exhaust system, and are GM-recommended replacements for your vehicle's original components. These original equipment secondary air injection shut-off valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Product Features:Helps maintain controlled air flow to proper air injection componentsGM-recommended replacement part for your GM vehicle's original factory componentOffering the quality, reliability, and durability of GM OEManufactured to GM OE specification for fit, form, and function
