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Tire DOT Code #

GetX'd

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Hi guys - after seeing the recent thread on aging or damaged tires I thought to check mine to see that they said. The DOT code as I see it on the front tire is 233978-4. Not a clue what that means. I have what should be 3year old Goodyear polyglas tires as I like the old school look. Can anyone decode that number for me?
 
Lol ! Look on inside sidewall(or opposite sidewall you got those numbers from) , you'll see the actual DOT# .... will end in a 4 digit # inside of an oval, that'll be the week/ year of tire .....
 
As 65-440 said you will find the date code is the last oval burnt into the tire something like 2114 or the like. That example means week 21 of 2014.
 
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