Glossary Of Terms
B-pillar
The structural member at the side of
the vehicle behind the front door.
Tire Placard
A label indicating the OE (Original
Equipment) tire sizes, recommended
inflation pressure, and the maximum
weight the vehicle can carry.
Original Equipment (OE)
Describes components originally
equipped on the vehicle.
Tire Identification Number (TIN)
Vehicle Load Limit
A number on the sidewall of each tire
providing information about the tire
brand and manufacturing plant, tire
size, and date of manufacture.
The maximum value of the combination
weight of occupants and cargo.
Bead Area of the Tire
Area of the tire next to the rim.
Inflation Pressure
Sidewall Area of the Tire
A measure of the amount of air in a tire.
Area between the bead area and the
tread.
kPa
Kilopascal, the metric unit for air
pressure.
Tread Area of the Tire
Area on the perimeter of the tire that
contacts the road when it's mounted
on the vehicle.
psi
Pounds per square inch, the English
unit for air pressure.
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