Home › Ford › F-450 SD › 21V379000
Ford Super Duty fifth wheel mounting bracket may be cracked
high How serious is it? About this label
A cracked mounting bracket could let the fifth wheel come off the truck while towing, which increases the risk of a crash. The notice does not tell owners to stop driving.
Key facts
| NHTSA campaign number | 21V379000 |
|---|---|
| Reported to NHTSA | May 24, 2021 |
| Manufacturer | Ford Motor Company |
| Part affected | Trailer Hitches:fifth Wheel Assembly |
| Vehicles covered | 2 model/year combinations, model years 2021 |
| Do-not-drive advisory | No |
| Park-outside advisory | No |
| Repair | Free at any franchised dealer |
What's wrong, in plain English
Ford is recalling certain Super Duty F-350 and F-450 trucks built with a fifth wheel left-hand mounting bracket that may be cracked. The bracket is part of what holds the fifth wheel hitch to the truck. Dealers will inspect the bracket and replace it if needed.
What you should do
Where do I find my VIN, and what do I tell the dealer?
Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 21V379000. More in how recalls work.
Affected vehicles (2)
Who to contact
Ford — official Ford recall lookup
Customer service: 1-866-436-7332
Other Ford F-450 SD recalls
- Oct 20, 2026Ford F-350 SD and F-450 SD Tailgate Cable May Failhigh
- Oct 6, 2026Ford Super Duty Trucks May Show Inaccurate Speedhigh
- Sep 22, 2026Ford Expedition and Super Duty Trucks: Headlight Failuremedium
- Mar 31, 2026Ford, Lincoln Windshield Wiper Arms May Breakmedium
- Mar 17, 2026Ford Super Duty Fuel Pump May Fail Againhigh
- Feb 20, 2026Ford and Lincoln Trailer Brake and Light Failurehigh
Official notice
- Component
- TRAILER HITCHES:FIFTH WHEEL ASSEMBLY
- Summary
- Ford Motor Company (Ford) is recalling certain 2021 Super Duty F-350 and F-450 vehicles equipped with a fifth wheel left-hand mounting bracket that may be cracked.
- Safety risk
- A cracked mounting bracket could result in the fifth wheel detaching from the vehicle while towing, increasing the risk of a crash.
- Remedy
- Dealers will inspect the mounting bracket, and replace the bracket if necessary, free of charge. Owner notification letters were mailed on June 16, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S23.
Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.