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Tire Identification Number (TIN)
The TIN may be found on one or both sides of the tire,
however, the date code may only be on one side. Tires with
white sidewalls will have the full TIN, including the date code,
located on the white sidewall side of the tire. Look for the TIN
on the outboard side of black sidewall tires as mounted on the
vehicle. If the TIN is not found on the outboard side, then you
will find it on the inboard side of the tire.
Tire Identification Number
EXAMPLE: DOT MA L9 ABCD 0301
DOT
Department of Transportation — This symbol certifies that the tire is in compli-
ance with the U.S. Department of Transportation tire safety standards, and is
approved for highway use
MA
Code representing the tire manufacturing location (two digits)
L
Code representing the tire size (two digits)
ABCD
Code used by the tire manufacturer (one to four digits)
03
Two digit number representing the week in which the tire was manufactured
(03 means the 3rd week)
01
Two digit number representing the year in which the tire was manufactured
(01 means the year 2001)
1
1
Prior to July 2000, tire manufacturers were only required to have one number to represent the year in which the tire
was manufactured. Example: 031 could represent the 3rd week of 1981 or 1991
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