THOMAS BUILT BUSES 2021 THOMAS BUILT BUSES SAF-T-LINER HDX Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2021 THOMAS BUILT BUSES SAF-T-LINER HDX
Brand
THOMAS BUILT BUSES
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2021
Daimler Trucks North America, LLC is recalling certain 2021 THOMAS BUILT BUSES SAF-T-LINER HDX vehicles due to fuel system, diesel:fuel injection system:fuel rail issues. A fuel leak in the presence of an ignition source increases the risk of a fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Daimler Trucks North America, LLC (DNTA) is recalling certain 2018-2021 Thomas Built Buses Saf-T-Liner HDX School Buses. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Reported concern (NHTSA)
A fuel leak in the presence of an ignition source increases the risk of a fire.
Recommended Action
Per NHTSA guidance
Dealers will replace the fuel rail and fuel lines, free of charge. Interim owner notification letters were mailed on June 21, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-886.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026