OE Service Exhaust Gas Recirculation (ERG) ValvesWhen you are looking for a match to original equipment specifications in a replacement part for your GM vehicle, trust ACDelco to get the job done. Our lineup of OE Service Fuel Injectors, Control Modules, Mass Air Flow Sensors, Oxygen Sensors, Exhaust Gas Recirculation Valves, Manifold Absolute Pressure Sensors, Throttle Position Sensors, Idle Air Control Valves and Secondary Air Injection Reaction Systems will help your GM vehicle run as efficiently and cleanly as the day it rolled off the line. Trust ACDelco to help your vehicle run clean and green.Reducing nitrogen oxide emissions is important not only to passing several state emissions tests, but also to being a conscientious motorist. ACDelco Original Equipment Service Exhaust Gas Recirculation Valves are the ideal replacement for the worn original equipment on your GM vehicle. Proper fit and function to bring your vehicle back into compliance. Competitive warranty coverage.