ACDelco is the exclusive Original Equipment parts brand for Chevrolet, Buick, GMC and Cadillac, as well as a provider of premium aftermarket parts for most other makes and models. Other available applications include off-road, marine and industrial. Professional, premium aftermarket replacement. Provides the performance and dependability you expect from ACDelco. Manufactured to meet expectations for fit, form, and function. ACDelco Professional Fuel Injection Pressure Regulator is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket regulator is manufactured to meet or exceed your expectations for fit, form, and function. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.