Whether you need exact GM Original Equipment specification parts or high-quality replacement parts, you can rely on ACDelco Emission components, Fuel Injectors, and Control Modules to deliver. Our portfolio includes: 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 components. AC Delco is the original equipment manufacturer for GM vehicles.