2019–2021 IC Bus Recb, 2018–2019 International Durastar, 2019–2021 International HV and 2 other models Recall: Sealing washer may not seat correctly in the pilot bore holes, allowing…
NHTSA campaign 21V366000 · Fuel System, Diesel · filed May 19, 2021 · verified Jul 30, 2026
The defect
Navistar, Inc. (Navistar) is recalling certain 2018-2019 International WorkStar, International DuraStar, 2019-2021 International HV, International MV, and IC Bus RE Commercial Bus vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
The risk
A fuel leak in the presence of an ignition source increases the risk of a fire.
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 rail threads, and replace the rail as necessary, free of charge. Owner notification letters were mailed on June 21, 2021. Owners may contact Navistar customer service at 1-800-448-7825.
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 IC Bus Recb recalls
- 2021–2023 IC Bus CE and 11 other models — Anti-lock brake system (ABS) indicator light does not…
- 2019–2020 IC Bus CE and 1 other model — Due to a manufacturing issue, the roof hatch external…
- 2016–2019 IC Bus CE and 3 other models — Driver side rear brakes may drag
- 2019 IC Bus CE and 10 other models — Spring actuated parking brake may be improperly crimped to…
- 2015–2018 IC Bus Recb — Drop hose fittings for the air brakes may not be oriented…
Other campaigns involving IC Bus vehicles
Source: NHTSA recall database, campaign 21V366000 (manufacturer number None). Data last verified Jul 30, 2026.