2021 International LT, 2021 International RH Recall: Spring inside the spring brake chamber may allow the pressure plate to…
NHTSA campaign 21V226000 · Parking Brake · filed Apr 1, 2021 · verified Jul 30, 2026
The defect
Navistar, Inc. (Navistar) is recalling certain 2021 International LT and International RH vehicles. The spring inside the spring brake chamber may allow the pressure plate to shift and wear a hole through the diaphragm.
The risk
A hole in the diaphragm may cause an air leak, causing the parking brake to engage and 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 inspect and, as necessary, replace the spring brake chambers, 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 21502.
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 | LT | 2021 |
| International | RH | 2021 |
Related recalls
More International LT recalls
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- 2023–2026 International LT and 1 other model — Auto neutral function may not recognize that the parking…
- 2023–2026 International LT and 1 other model — Hill Start Assist (HSA) exhaust port may become clogged…
- 2024–2026 International LT and 1 other model — Hill Start Assist (HSA) exhaust port may become clogged…
- 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 LT recalls → · All International recalls →
Source: NHTSA recall database, campaign 21V226000 (manufacturer number 21502). Data last verified Jul 30, 2026.