An ACDelco GM Original Equipment Exhaust Gas Recirculation (EGR) Valve Cover Gasket provides a gas-tight seal for the EGR valve, and is a GM-recommended replacement for your vehicle's original component. It should be replaced whenever servicing the EGR valve. This original equipment EGR valve cover gasket has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.