2020–2021 Ford F-350 SD Recall: Rear axle housing may not support the load of the pickup truck and deform…
NHTSA campaign 21V536000 · Power Train · filed Jul 15, 2021 · verified Jul 30, 2026
The defect
Ford Motor Company (Ford) is recalling certain 2020-2021 F-350 Super Duty pickup trucks equipped with 6.7L diesel engines and Dana model 275 rear axles. The rear axle housing may not support the load of the pickup truck and deform, which could result in driveshaft separation.
The risk
Driveshaft separation may result in a loss of drive power, or unintended vehicle movement if the vehicle is in park without the parking brake applied, 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 axle housing for deformities, and repair or replace the housing, as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall 21S31.
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.nhtsa.gov.
Affected vehicles
Related recalls
More Ford F-350 SD recalls
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- 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 21V536000 (manufacturer number 21S31). Data last verified Jul 30, 2026.