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Custom Fire Spartan Gladiator Recall 21V630: Fuel rail leak can cause diesel fire risk

NHTSA campaign 21V630, reported August 9, 2021, 48 vehicles potentially affected.

What this recall means for you

The sealing washer on the high pressure fuel rail assembly may not seat correctly in the pilot boreholes, which can allow diesel fuel to leak from the rail. This affects certain Spartan Gladiator and MetroStar emergency vehicles equipped with Cummins L9 diesel engines.

A fuel leak in the presence of an ignition source increases the risk of a fire. Owners should contact Custom Fire Apparatus customer service at 1-715-294-2555 to confirm their vehicle is included. You can also check your VIN for open recalls.

The remedy is free. Cummins will inspect the rail threads and fuel lines and replace the fuel rail as necessary at no charge. Owner notification letters were mailed on August 8, 2021.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V630Custom Fire Apparatus, Inc.
Component
FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
Problem
Custom Fire Apparatus, Inc. (Custom Fire) is recalling certain 2017-2021 Spartan Gladiator, MetroStar, and MetroStarX 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.
Risk
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 August 8, 2021. Owners may contact Custom Fire's customer service at 1-715-294-2555.
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.

Affected vehicles

Custom Fire Spartan Gladiator20172018201920202021
Custom Fire Spartan Metrostar20172018201920202021