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Vehicle recall 21V399000 · May 27, 2021

Temsa TS35C, TS35E and 1 more model

The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
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.
Consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy
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.
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.

Recall details

NHTSA campaign
21V399000
Reported to NHTSA
May 27, 2021
Filed by
Temsa
Owner notification
July 30, 2021
Vehicles potentially affected
276
Initiated by
the manufacturer
Components
Fuel system, diesel › Fuel injection system › Fuel rail
Recall 21V399000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Temsa been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Temsa dealer can also check your VIN. Recall repairs are free.