The Recall Desk
Our severity:SevereNHTSA·21E032000·Announced 2021-04-20

Cummins Diesel Engine Fuel Rail Recall for Fire Risk

Cummins is recalling specific L9 and ISX12 diesel engines because a sealing washer defect may cause fuel leaks, increasing the risk of fire.

What this means for you

Our assessment, not the agency’s: severity 4/5 (Severe).

The hazard poses a serious risk of illness, injury, or structural failure. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: The recall involves a structural vehicle defect (fuel rail leak) that creates a significant fire risk, meeting the criteria for a Severe rating.

Plain-English summary

Cummins, Inc. is recalling certain L9 part number D0K3003BX03 and ISX12 part number D563025BX03 diesel engines. The recall involves 45,334 units. The defect is that the sealing washer may not seat correctly in the pilot bore holes, which allows the high-pressure fuel rail assembly to leak.

A fuel leak in the presence of an ignition source increases the risk of a fire. No specific injuries or fatalities are reported in the source text.

Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner letters were mailed on July 30, 2021. Owners may contact Cummins customer service at 1-800-286-6467 or the NHTSA Vehicle Safety Hotline at 1-888-327-4236.

The recalled product

Product
FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL recall
Manufacturer
Cummins, Inc.
Category
Vehicle — Diesel Engine Component
Hazard
Affected units
45,334

Distribution

Distributed nationwide across the United States.

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