High pressure fuel rail assembly may leak fuel
Defect Summary
Custom fire apparatus, inc. (custom fire) is recalling certain 2017-2021 peterbilt 348, freightliner m2, kenworth t370, and t880 emergency vehicles equipped with cummins l9 diesel engines. the sealing washer may not seat correctly in the pilot boreholes, allowing the high-pressure fuel rail assembly to leak.
Safety Consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Corrective Action
Cummins will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. owner notification letters were mailed on august 9, 2021. owners may contact custom fire's customer service at 1-715-294-2555.
Similar Recalls
Other recalls from Custom Fire Apparatus, Inc. or involving Fuel System, Diesel.
FAQ: Recall 21V620000
Your rights, the repair process, and what each field on this page means.
What is recall 21V620000?
NHTSA recall 21V620000 was issued by Custom Fire Apparatus, Inc. on August 6, 2021. It addresses: High pressure fuel rail assembly may leak fuel. The recall affects approximately 9 vehicles, with the defect involving the Fuel System, Diesel component.
How do I get this recall repaired?
Contact any authorized Custom Fire Apparatus, Inc. dealer and reference NHTSA recall ID 21V620000 or the manufacturer campaign number 21E032. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.