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.


Distributor Cap

A literal cap that covers the distributor and helps distribute electricity to the spark plugs via spark plug wires. This is a "wear" item that is often replaced as part of a "tune-up."

See Also:
Ignition System
Electronic Sensor
Spark Retard
Spark Advance
Oxygen Sensor
Electronic Ignition
MAP Sensor

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