Free Tool
Tire Age Decoder
Enter the DOT code from your sidewall — or just the last four digits — and we'll tell you the week and year it was built, how old it is, and whether it's time to replace it.
Enter the DOT code, or just the last four digits.
This decoder reads the DOT date code stamped on your sidewall. Age is one factor — cracking, dry rot, and tread wear matter too. When in doubt, have your tires inspected.