NHTSA Recall 21V851000: Pump (steering)
Oshkosh Corporation reported this safety recall to NHTSA on , covering an estimated 697 vehicles. It affects 2020–2021 Oshkosh S-Series.
| NHTSA campaign | 21V851000 |
|---|---|
| Component | STEERING › HYDRAULIC POWER ASSIST › PUMP |
| Report received | November 2, 2021 |
| Owner notification | December 13, 2021 |
| Initiated by | Manufacturer |
Defect
Oshkosh Corporation (Oshkosh) is recalling certain 2020-2021 S-Series vehicles. A machining defect may cause pressure to build in the power steering pump and break the shaft seal, resulting in a loss of power steering assist.
Safety risk
A loss of power steering assist increases the risk of a crash.
Remedy
Owners will inspect and replace the power steering pump as necessary. Owners may perform this work themselves or reach out to one of our service centers to perform the inspection and repair work free of charge. Owner notification letters were mailed on December 15, 2021. Owners may contact Oshkosh customer service at 1-888-686-7278.
Notes
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.
Vehicles covered by recall 21V851000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.