2017–2021 Pierce Arrow XT, 2017–2021 Pierce Enforcer, 2017–2021 Pierce Impel and 3 other models Recall: Sealing washer may not seat correctly in the pilot bore holes, allowing…
NHTSA campaign 21V394000 · Fuel System, Diesel · filed May 26, 2021 · verified Jul 30, 2026
The defect
Pierce Manufacturing (Pierce) is recalling certain 2017-2021 Arrow XT, Enforcer, Impel, Quantum, Saber, and Velocity 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 fuel lines, and replace the rail as necessary, free of charge. Interim notification letters were mailed to owners on June 24, 2021. Owner notification letters were mailed July 30, 2021. Owners may contact Pierce customer service at 1-888-974-3723.
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 Pierce Arrow XT recalls
- 2015–2026 Pierce Arrow XT and 3 other models — Firm-on-ground system light may remain illuminated after…
- 2025 Pierce Arrow XT and 4 other models — Steering linkage arm bolt may come loose, resulting in the…
- 2019–2023 Pierce Arrow XT and 2 other models — Electrical connector to the aerial turntable wiring harness…
- 2018–2023 Pierce Arrow XT and 3 other models — When the aerial platform is extended to its maximum angle…
- 2022 Pierce Arrow XT and 2 other models — Tie rod clamps may have been improperly heat-treated…
Other campaigns involving Pierce vehicles
Source: NHTSA recall database, campaign 21V394000 (manufacturer number 74BX317). Data last verified Jul 30, 2026.