Glossary of Auto Terms

DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.

Back

Spark Plug Gap

The distance between the center and side spark plug electrodes across which the spark must jump.



See Also:
Relay
Starter Solenoid
Battery Terminals
Rotor
Spark Plug Wire
Ignition Coil
Spark Retard
Distributor

Diagnose Your Car's Problem

Engine won't start? Weird sound? Strange smoke? Got something going on with your car but not sure what it is? The easy to use DriverSide Diagnostic Tool is here to help you figure it out.



Enter Zip: