2021 International HV, 2021 International LT, 2021 International MV and 1 other model Recall: A retainer was not properly seated in the SC-3 single check valve and may…
NHTSA campaign 21V227000 · Service Brakes, Air · filed Apr 1, 2021 · verified Jul 30, 2026
The defect
Navistar, Inc. (Navistar) is recalling certain 2021 International LT, RH, MV, and HV vehicles equipped with Bendix pressure switches. A retainer was not properly seated in the SC-3 single check valve and may not provide source air isolation when pressure is applied. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
The risk
Unintended spring brake application may occur, 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
Navistar will notify owners, and dealers will replace the SC-3 check valves, free of charge. Owner notification letters were mailed on May 28, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21503.
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
| Make | Model | Model years |
|---|---|---|
| International | HV | 2021 |
| International | LT | 2021 |
| International | MV | 2021 |
| International | RH | 2021 |
Related recalls
More International HV recalls
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- 2026–2027 International HV — Service brake may take longer than expected to release
- 2026–2027 International HV — Service brake may take longer than expected to release
- 2016 International 7600 and 7 other models — Electrical noise and low signal to the power line carrier…
- 2025 International Emv and 5 other models — Linkage that connects the right-side wiper arm to the motor…
Other campaigns involving International vehicles
All International HV recalls → · All International recalls →
Source: NHTSA recall database, campaign 21V227000 (manufacturer number 21503). Data last verified Jul 30, 2026.