Cummins is recalling 44,956 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.
A fuel leak in the presence of an ignition source increases the risk of a fire.
What to do
The remedy for this recall is still under development.
The recall is expected to begin June 19, 2021.
Owners may contact Cummins customer service at (800) 286-6467.