2017–2020 Hme Ahrens-Fox Aerial, 2017–2020 Hme Ahrens-Fox Commfox, 2017–2020 Hme Ahrens-Fox Pumper and 7 other models Recall: Sealing washer may not seat correctly in the pilot boreholes, allowing the…
NHTSA campaign 21V790000 · Fuel System, Diesel · filed Oct 11, 2021 · verified Jul 30, 2026
The defect
HME, Inc. (HME) is recalling certain 2017-2020 Ahrens-Fox model 34 Type 3, Rescue, Pumper, Tanker, Aerial, CommFox, WolfSA Tanker, 1871-SFO, 1871-W, 1871-Spectr, and AF1 fire trucks. The sealing washer may not seat correctly in the pilot boreholes, 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. Owners were notified on January 20, 2021. Owners may contact HME's customer service at 1-616-534-1463.
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
Source: NHTSA recall database, campaign 21V790000 (manufacturer number 21E-032). Data last verified Jul 30, 2026.