The Recall Desk
Our severity:HighNHTSA·21E055000·Announced 2021-06-22

Cummins Recalls ISL Remanufactured Diesel Engines Due to Fuel Rail Leak Risk

Cummins is recalling certain ISL remanufactured diesel engines because a sealing washer may not seat correctly, allowing the high-pressure fuel rail to leak and increasing fire risk.

What this means for you

Our assessment, not the agency’s: severity 3/5 (High).

Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.

Our severity reasoning: The recall involves a risk-of-harm product (fire risk from fuel leak) where injury has not yet been reported, meeting the criteria for a High severity score.

Plain-English summary

Cummins, Inc. is recalling certain ISL remanufactured diesel engines sold as replacement equipment. The recall addresses a defect where the sealing washer may not seat correctly in the pilot bore holes. This issue 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. The source text does not specify the number of affected units or report any injuries or fatalities associated with this defect.

Dealers will inspect the rail threads and fuel lines for damage and replace the rail as necessary, free of charge. Owner letters were mailed on September 24, 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 — Engine Component
Hazard
Affected units
4,413

Distribution

Distributed nationwide across the United States.

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