NHTSA recall 21E032000 · Equipment
Fuel system, diesel › Fuel injection system › Fuel rail
Reported Apr 20, 202145,334 vehicles affectedCummins, Inc.
The defect
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.
The risk
A fuel leak in the presence of an ignition source increases the risk of a fire.
The 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.