COOPER COOPER DISCOVERER AT3 4S Tire Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
COOPER DISCOVERER AT3 4S Tire
Brand
COOPER
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Cooper Tire & Rubber Co. is recalling certain COOPER DISCOVERER AT3 4S tires due to tires:sidewall issues. A sidewall separation may cause the tire to rapidly deflate, increasing the risk of a crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Cooper Tire & Rubber Co. (Cooper Tire) is recalling certain Discoverer, Evolution, Courser, Deegan, Adventurer, Hercules, Back Country, Multi-Mile Wild Country and Big O brand tires. The tires may develop a bulge or separation in the sidewall.
Reported concern (NHTSA)
A sidewall separation may cause the tire to rapidly deflate, increasing the risk of a crash.
Recommended Action
Per NHTSA guidance
Cooper Tire will notify owners, and dealers will replace affected tires, free of charge. The recall is expected to begin March 25, 2021. Owners may contact Cooper Tire customer service at 1-800-854-6288. Cooper Tire's number for this recall is 178.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026