1. Home
  2. /
  3. Tools
  4. /
  5. Tire date code decoder
  6. /
  7. 2009

Tires made in 2009: how old, still safe?

A DOT date code ending in 09 was manufactured in 2009. The first two digits are the week. 2609 means week 26 of 2009. A mid-year tire from 2009 is replace advised: Past most manufacturer limits regardless of tread

Week 1 of 2009

Made in week 1 of 2009

Dec 29, 2008 to Jan 4, 2009 (approx.)

17 years 9 months · Replace advised

Past most manufacturer limits regardless of tread

Open 0109 in the decoder

Week 26 of 2009

Made in week 26 of 2009

Jun 22 to Jun 28, 2009 (approx.)

17 years 4 months · Replace advised

Past most manufacturer limits regardless of tread

Open 2609 in the decoder

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

Check a 2009 DOT code

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

Read as

Made in week 26 of 2009

Jun 22 to Jun 28, 2009 (approx.)

Replace advised

17 years 4 months

Past most manufacturer limits regardless of tread

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

Format
Date code only

Segments

2609
  • Date
  • Week comes first. 2609 is week 26 of 2009, not week 9 of 2026.

Find used tires near you · Search junkyards for wheels

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 2009?

A tire from week 26 of 2009 is 17 years 4 months old as of 2026-10-22. A tire from week 1 is 17 years 9 months. The exact age depends on the week in the DOT code.

Is a 2009 tire too old?

A mid-year 2009 tire is in the “Replace advised” range: Past most manufacturer limits regardless of tread. General guidance, not a safety inspection. Follow the tire and vehicle maker's recommendation.

What DOT code means 2009?

The last two digits are the year. A code ending in 09, such as 2609, was made in week 26 of 2009. The first two digits are the week, from 01 to 53.

Tire size calculator · Junkyard directory · Find used tires near you