Quote:
Originally Posted by Rod
Tires are also marked for manufacture date also...so they can figure out warranty issues.
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Yes, I believe that after the XXYY code is an optional 4 digit code specific to each manufacturer.
The third 4 digit code references the date of manufacture . The week of the year is in the first two digits and the last two are for the year. So, 2105 would be the 21st week of 2005.