Cooper Tire & Rubber Company — Cooper Discoverer AT3 4S and Mickey Thompson Deegan 38 All-Terrain Tyres

PRA number


Published date

Product description

Cooper Discoverer AT3 4S
Tyre Size: 275/55R20

Mickey Thompson Deegan 38
All-Terrain Tyres
Tyre Sizes: 275/55R20 and 275/65R18

Each tyre has a Department of Transport (DOT) Tyre Identification Number which is located on the lower sidewall of the tyre.
The affected tyres have DOT sequence starts with UT YJ/Y1 and ends with a four digit date code (2-digit week and 2-digit year).

The affected tyres are motor vehicle tyres produced from 1 February 2018 through 1 December 2019.
Photograph of Cooper Discoverer AT3 4S
Photograph of Mickey Thompson Deegan 38 All-Terrain
Identifying features

Other identifying numbers

See attached Identifying Numbers

What are the defects?

The tyres may develop bulges and separation of the tyre sidewall may occur. This may lead to rapid pressure loss or reduced performance in the tyre.

What are the hazards?

If this occurs, this can result in loss of vehicle control, which may increase the risk of serious injury or death to vehicle occupants and other road users.

What should consumers do?

If you believe you have an affected tyre, please immediately contact Exclusive Tyres at 1300 756 884 to arrange for identification and replacement of any affected tyres, free of charge.

For further information, please go to or or call 1300 756 884.

Traders who sold this product

Exclusive Tyre Distributors Pty Ltd

Where the product was sold


Dates available for sale


Recall advertisements and supporting documentation

Responsible regulator

Australian Competition and Consumer Commission is the responsible regulator for this recall.

Product category