2021 Ford F-350 SD, 2021 Ford F-450 SD Recall: Trailer Hitches
NHTSA campaign 21V379000 · Trailer Hitches · filed May 24, 2021 · verified Jul 30, 2026
The defect
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.
The risk
A cracked mounting bracket could result in the fifth wheel detaching from the vehicle while towing, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
Related recalls
More Ford F-350 SD recalls
- 2021–2023 Ford Expedition and 6 other models — Windshield wiper arms may break, causing the wipers to fail
- 2020–2022 Ford F-250 SD and 5 other models — Biodiesel deposits may form on the pump drivetrain roller…
- 2025–2026 Ford F-250 SD and 1 other model — Driveshaft friction weld may fail, resulting in rear…
- 2026 Ford E-Transit and 10 other models — When towing a trailer, the integrated trailer module (ITRM)…
- 2026 Ford F-250 SD and 1 other model — Right rear axle shaft may have been improperly heat-treated…
Other campaigns involving Ford vehicles
Source: NHTSA recall database, campaign 21V379000 (manufacturer number 21S23). Data last verified Jul 30, 2026.