Autolite® Glow Plugs are engineered to be dependable and long-lasting, the perfect plug for a variety of diesel applications. These plugs deliver high intensity, concentrated heat for reliable starts year round. Autolite® Glow Plugs are available for diesel engines in passenger cars and light trucks. 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 provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.