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.



Refers to the engine block - the lower part of the engine in which the pistons, cylinders, and crankshaft are located.

See Also:
Rear Axle Ratio
Clutch Disc
Timing Light
Out-of- road
Rocker Arms
Cooling System

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