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How old is too old for a tire?
Many tire makers recommend inspecting tires yearly after about 5 years and replacing them around 6–10 years, even with tread left. Florida heat and sun can age rubber faster. The four-digit DOT code shows the week and year it was made.
Example: DOT code 2321 means the 23rd week of 2021.
Cracks in the sidewall are a sign of aging.
Text us a sidewall photo and we'll help you read it.
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Last updated 2026-10-04.