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Tires made in 2023: how old, still safe?

A DOT date code ending in 23 was manufactured in 2023. The first two digits are the week. 2623 means week 26 of 2023. A mid-year tire from 2023 is check: Inspect for cracks, have it checked yearly after 5

Week 1 of 2023

Made in week 1 of 2023

Jan 2 to Jan 8, 2023 (approx.)

3 years 9 months · Check

Inspect for cracks, have it checked yearly after 5

Open 0123 in the decoder

Week 26 of 2023

Made in week 26 of 2023

Jun 26 to Jul 2, 2023 (approx.)

3 years 3 months · Check

Inspect for cracks, have it checked yearly after 5

Open 2623 in the decoder

General guidance, not a safety inspection. Follow the tire and vehicle maker's recommendation.

Check a 2023 DOT code

Enter the last 4 digits of the DOT code or the full code.

Read as

Made in week 26 of 2023

Jun 26 to Jul 2, 2023 (approx.)

Check

3 years 3 months

Inspect for cracks, have it checked yearly after 5

General guidance, not a safety inspection. Follow the tire and vehicle maker's recommendation.

Format
Date code only

Segments

2623
  • Date
  • Week comes first. 2623 is week 26 of 2023, not week 23 of 2026.

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Where the DOT code sits on a tireA tire sidewall with the DOT code molded on the outer side. The date is the last four digits.DOTDOT 4B H7 JK2319Week 23, then year 2019The full code is often on one sidewall only.Check the other side if the date is missing.
The letters DOT certify the tire. They are not part of the identification number. The last four digits are the week and the year. Tires made before 2000 use three digits, and a triangle means the 1990s.

Week ranges use ISO weeks, Monday through Sunday, and are approximate. Tire makers count weeks on their own calendars. The regulation describes a Sunday-to-Saturday week. Plant names come from the free NHTSA vPIC list. 49 CFR 574.5

Plant data from NHTSA, updated October 13, 2026.

Frequently asked questions

How old is a tire made in 2023?

A tire from week 26 of 2023 is 3 years 3 months old as of 2026-10-22. A tire from week 1 is 3 years 9 months. The exact age depends on the week in the DOT code.

Is a 2023 tire too old?

A mid-year 2023 tire is in the “Check” range: Inspect for cracks, have it checked yearly after 5. General guidance, not a safety inspection. Follow the tire and vehicle maker's recommendation.

What DOT code means 2023?

The last two digits are the year. A code ending in 23, such as 2623, was made in week 26 of 2023. The first two digits are the week, from 01 to 53.

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