What are AC Delco spark plugs?

ACDelco spark plugs are spark plugs sold under the automotive parts brand name ACDelco. ACDelco is a brand name owned by General Motors, which manufactures factory parts of GM vehicles and aftermarket parts for other vehicles.

As of 2014, ACDelco parts can be found in over 100 countries. ACDelco has 37 product lines that offer roughly 90,000 automobile parts. The AC-Delco brand name was created in 1974 when GM merged AC Spark Plug with United Delco. GM changed the brand to ACDelco in 1995 as part of a rebranding campaign that included a new logo, new marketing and a change on the spelling of the brand.