With over 85 years in spark plug manufacturing, Autolite® is the most trusted name in the industry. We offer spark plugs for your vehicle, motorcycle, lawn mower, and more.

From platinum to copper and iridium spark plugs, Autolite offers OE quality and performance for all car makes and models.

Trust Autolite for high-quality, performance-boosting spark plugs. Explore our product range, each engineered for specialized applications.

That’s why Autolite ® offers Distributors that are engineered to provide proper voltage and spark, equipping your engine with the precision and reliability it needs to perform its best.

Apr 3, 2024 · Understanding and choosing the correct heat range for your spark plugs is important for a healthy engine.

In 1935, Royce G. Martin of Electric Autolite Company envisioned a spark plug that not only ignited engines but also sparked imaginations. Teaming up with ceramic engineering expert …

AUTOLITE® Iridium Ultra® Advanced engines need advanced technology, which is why we have engineered a premium spark plug that can meet the critical demands of late model engines.

Designed with a cut-back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer, Autolite ® racing spark plugs are the obvious choice for all …

Autolite ® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life.

Gather needed tools and parts - a set of Autolite spark plugs, a ratchet, a spark plug socket (make sure you have the right size), extensions, a gapping tool, and dielectric grease.