The Recall Desk
Our severity:HighNHTSA·25E004000·Announced 2025-01-17

Cummins Recalls L9 Diesel Engines Due to Fuel Hose Separation Risk

Cummins is recalling L9 diesel engines because remote fuel filter hoses may separate, causing fuel leaks, engine stalls, and increased fire or crash risks.

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 and crash risk) where injury has not yet been reported, fitting the criteria for a High severity score.

Plain-English summary

Cummins, Inc. is recalling certain L9 diesel engines, identified by part number D563027BX03. The recall addresses a defect in the remote fuel filter hoses, which may separate from the fitting. This separation can result in a fuel leak and cause the engine to stall.

The defect presents two primary safety hazards. A fuel leak in the presence of an ignition source increases the risk of a fire. Additionally, an engine stall increases the risk of a crash. The source text does not report any specific incidents of fire, injury, or death associated with this defect.

Dealers will replace the fuel hoses free of charge to correct the issue. Owner notification letters were mailed on March 11, 2025. Owners may contact Cummins customer service at 1-800-286-6467 for assistance. Cummins's internal number for this recall is C7111. Owners may also contact the NHTSA Vehicle Safety Hotline at 1-888-327-4236.

The recalled product

Product
FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS recall
Manufacturer
Cummins, Inc.
Category
Vehicle — Diesel Engine Component
Hazard
Affected units
715

Distribution

Distributed nationwide across the United States.

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