AC Delco is a wholly-owned subsidiary of General Motors and serves as an original equipment supplier to many of GM's vehicles. It gets its name from Albert Champion (the founder of AC Flint) and Dayton Engineering Laboratories Company (United Delco). Drivers of any Chevrolet, Buick, Cadillac, or GMC can be sure that the reliability of their vehicle is owed, in some degree, to parts from this company. They offer a diverse collection of product lines such as wire harnesses, ignition coils, drive & serpentine belts, and HVAC parts... just to name a few. Backed by a worldwide network of dealers and certified mechanics, AC Delco provides excellent support for customer who chose their parts.
Replacing your broken throttle position sensor will restore your throttle body to maximum performance because it will now accurately read how far open the throttle is and communicate that to the ECU for fuel distribution.