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07tiredate.jpg These tires are critically old. DOT recommends no older than 6 years, and these are almost 8 (0401 = 04th week of 2001). For more info, including the DOT code (date of mfr.), see this: http://www.nhtsa.dot.gov/cars/rules/TireSafety/ridesonit/brochure.html The "DOT" number has three 4-digit groups; the first two contain the manufacturer ID & other proprietary info; the last group is the date code in this format: the production week (00-52) & 2-digit year. So the last group for a tire built the 40th week of 2012 would be "4012". https://www.safercar.gov/Vehicle-Shoppers/Tires-Rating/Tire-Aging
07tiredate.jpg | Hits: 1451 | Posted on: 11/6/09 | View original size (824.94 KB)

These tires are critically old. DOT recommends no older than 6 years, and these are almost 8 (0401 = 04th week of 2001).

For more info, including the DOT code (date of mfr.), see this:
http://www.nhtsa.dot.gov/cars/rules/TireSafety/ridesonit/brochure.html
The "DOT" number has three 4-digit groups; the first two contain the manufacturer ID & other proprietary info; the last group is the date code in this format: the production week (00-52) & 2-digit year. So the last group for a tire built the 40th week of 2012 would be "4012".
https://www.safercar.gov/Vehicle-Shoppers/Tires-Rating/Tire-Aging