Two hands working on the engine of a car. - Autolite Iridium Ultra Store We may receive a commission on purchases made from links. A spark plug isn't just one standard item, and the market is full of ...

The reason why you should always stick to the manufacturer-approved spark plug type has to do with the ignition system of your car's engine. Newer vehicles with electronic distributor-based ignition ...

A spark plug is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark. Spark plugs have an ...