Manufacture Date On Tires

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Manufacture Date on Tires

The Importance of Checking the Manufacture Date on Tires

When it comes to ensuring your safety on the road, one crucial factor to consider is the condition of your tires. One aspect often overlooked is the manufacture date of the tires. The manufacture date provides important information about the age of the tire, which can significantly impact its performance and safety.

What is the Manufacture Date?

The manufacture date, also known as the tire’s DOT (Department of Transportation) code, indicates when the tire was produced. This code consists of a four-digit number, where the first two digits represent the week of production, and the last two digits represent the year. For example, if the code reads “2519,” it means the tire was manufactured on the 25th week of 2019.

Why is the Manufacture Date Important?

The manufacture date is crucial because tires age, even if they are not in use. Over time, the rubber compound in tires deteriorates due to exposure to heat, sunlight, and other environmental factors. This can lead to decreased traction, increased risk of blowouts, and reduced overall performance.

How to Check the Manufacture Date

To check the manufacture date on your tires, look for the DOT code on the sidewall. It is usually located near the edge and can be on either side. The code may be preceded by the letters “DOT.” Once you locate the code, identify the four-digit number and decode it to determine the manufacture date.

Decoding the Manufacture Date

Decoding the manufacture date is simple. The first two digits indicate the week of production, ranging from 01 to 52, and the last two digits represent the year. For example, if the code reads “2519,” it means the tire was manufactured in the 25th week of 2019.

Understanding Tire Aging

It’s important to understand that tires have a limited lifespan, even if they have plenty of tread left. Most tire manufacturers recommend replacing tires every six to ten years, regardless of tread depth. This is because the rubber compounds degrade over time, compromising the tire’s performance and safety.

Factors Affecting Tire Aging

Several factors affect tire aging, including temperature, climate, usage, and storage conditions. Tires exposed to extreme heat or cold, frequent high-speed driving, or prolonged storage without proper protection can age more quickly. It’s crucial to be mindful of these factors and inspect your tires regularly.

How to Determine Tire Age at Purchase

When purchasing new tires, it’s essential to check their manufacture date to ensure you’re not buying old stock. Avoid purchasing tires that are more than a year old, as they may have already begun to age. Look for the DOT code and ask the retailer for the manufacture date if it’s not readily available.


Checking the manufacture date on tires is a crucial step in ensuring your safety on the road. Tire age affects performance and safety, even if the tread is still in good condition. By understanding how to decode the manufacture date and considering factors affecting tire aging, you can make informed decisions about tire maintenance and replacement.