Spark Plugs

The spark plug is what started it all for us, and with over 100 years of innovation behind each spark plug, you know they're going to be great. From the old to the new and even the non-automotive, ACDelco has a spark plug to fit just about whatever you may need. With ACDelco spark plugs you get over a century’s worth of experience and know-how including advanced features and competitive limited warranty coverage.

Click on the links below to access information on the specific part you are looking for.

See your local ACDelco parts supplier for warranty details or visit our Parts Warranty page.