Part No. 3923
Autolite Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provid es the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.