Auto Terms Abbreviation Definition for O Directory

Car Abbreviation Beginning with the Letter "O"

O2 - Oxygen

O2S - Oxygen Sensor

OBD - On-board Diagnostics

OBD I - On-board Diagnostics One

OBD II - On-board Diagnostics Two

OBD III - On-board Diagnostics Three

OC - Oxidation Catalyst

OD - Overdrive

O.D. - Outside Diameter

OE - Original Equipment

OEM - Original Equipment Manufacturer

OHC - Over Head Camshaft

OHV - Over Head Valve

O/S - Oversize

OS - Oxygen Sensor

oz. - Ounce

ozs. - Ounces

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