NHTSA Campaign 21E032000

FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL

Issued by Cummins, Inc. · Reported Apr 20, 2021 · 45,334 vehicles affected

What's wrong

Cummins, Inc. (Cummins) is recalling certain L9 part number D0K3003BX03 and ISX12 part number D563025BX03 diesel engines. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner letters were mailed July 30, 2021. Owners may contact Cummins customer service at 1-800-286-6467.

Vehicles affected by this recall

Make Model Year Units
CUMMINS ISX12 45,334
CUMMINS L9 45,334

Source: NHTSA Campaign 21E032000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.