
1) Auto parts brand owned by GM 2) Auto parts giant 3) Auto parts supplier 4) Big name in auto parts 5) GM parts division 6) Napa competitor
Found on
https://www.crosswordclues.com/clue/acdelco

ACDelco is an American automotive parts brand owned by General Motors (GM). Factory parts for vehicles manufactured by GM are consolidated under the ACDelco brand which also offers aftermarket parts for non-GM vehicles. Over its long history it has been known by various names such as United Motors Corporation, United Motors Service, and United Del...
Found on
http://en.wikipedia.org/wiki/ACDelco
No exact match found.