Wheel hub extenders may be improperly attached
Defect Summary
Ford motor company (ford) is recalling certain 2021 f-350, f-450, f-550, and f-600 vehicles equipped with dual rear wheels and front wheel hub extenders. The front wheel hub extenders may be improperly attached to the front rotor hub assemblies, which could result in separation of the wheels and wheel extenders from the vehicle.
Safety Consequence
A detached wheel and wheel extender can increase the risk of a crash.
Corrective Action
Owners are instructed not to drive their vehicles until the torque of the wheel extender nuts can be verified. dealers will inspect and tighten the front wheel hub extender nuts, free of charge. owner notification letters were mailed on june 18, 2021. owners may contact ford customer service at 1-866-436-7332. Ford's number for this recall is 21s26.
Similar Recalls
Other recalls from Ford Motor Company or involving Power Train.
FAQ: Recall 21V390000
Your rights, the repair process, and what each field on this page means.
What is recall 21V390000?
NHTSA recall 21V390000 was issued by Ford Motor Company on May 25, 2021. It addresses: Wheel hub extenders may be improperly attached. The recall affects approximately 17,616 vehicles, with the defect involving the Power Train component.
How do I get this recall repaired?
Contact any authorized Ford Motor Company dealer and reference NHTSA recall ID 21V390000 or the manufacturer campaign number 21S26. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
What does "Do Not Drive" mean for this recall?
NHTSA has flagged this recall as Do Not Drive, meaning the defect poses an immediate safety risk and affected vehicles should not be operated until they are repaired. Owners should contact their dealer immediately and may be eligible for free towing or a loaner vehicle while awaiting parts.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.