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How to Check the Manufacturing Year of Tires?

1 Answers
LeGianna
07/29/25 9:26pm

To check the manufacturing year of tires, follow these steps: 1. Similar to the production date of a car, the manufacturing date of a tire is marked on the outer side of the tire. You don't need to turn the tire inside out. On the sidewall of the tire, there is a set of numbers. The last four digits of this marking provide information about the manufacturing date. It consists of four digits "aabb". The first two digits "aa" indicate the week of the year, and the last two digits "bb" indicate the year. 2. Generally, the 11-digit number and letters immediately following the "DOT" letters on the tire sidewall represent the identification number or serial number of the tire. The last four digits of the serial number indicate the manufacturing date of the tire. The format for the tire manufacturing date code is: the first two digits represent the production week, and the last two digits represent the production year. For example, if the last four digits of DOT are 0807, it means the tire was produced in the 8th week of 2007, which is around the end of February 2007.

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