2018–2021 Temsa TS35C, 2018–2021 Temsa TS35E, 2018–2020 Temsa TS45 Recall: Sealing washer may not seat correctly in the pilot bore holes, allowing…
NHTSA campaign 21V399000 · Fuel System, Diesel · filed May 27, 2021 · verified Jul 30, 2026
The defect
Temsa is recalling certain 2018-2021 TS35 and 2018-2020 TS45 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
Cummins will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner notification letters were mailed on July 30, 2021. Owners may contact Temsa customer service at 1-800-625-9319.
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 Temsa TS35C recalls
- 2013–2020 Temsa TS35C and 2 other models — Instruction label of the emergency exit windows may be…
- 2016 Temsa TS35C and 1 other model — In the affected buses, the front lower control arm housings…
- 2008–2016 Temsa TS35C — In the affected vehicles, the steering gearbox bracket…
- 2012–2014 Temsa TS30 and 1 other model — Emergency roof labels do not have adequate instructions for…
- 2012–2013 Temsa TS30 and 1 other model — Label indicating the nearest emergency exit window release…
Other campaigns involving Temsa vehicles
Source: NHTSA recall database, campaign 21V399000. Data last verified Jul 30, 2026.