The Recall Desk
Our severity:SevereNHTSA·23E055000·Announced 2023-07-18

Cummins Recalls L9 Diesel Engines Due to Fuel Hose Defect

Cummins is recalling specific L9 Diesel Engines because damaged fuel filter hoses may leak or disconnect, increasing the risk of engine stall or 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 system) where a disconnected hose results in an engine stall increasing the risk of a crash, and a fuel leak increases the risk of fire, meeting the criteria for a Severe rating.

Plain-English summary

Cummins, Inc. is recalling certain L9 Diesel Engines, part number D563027BX03. The recall addresses a defect in the remote Stage 2 fuel filter hoses, which may have been damaged during production. This damage can allow the hoses to leak or disconnect.

A disconnected hose can cause the engine to stall, increasing the risk of a crash. Additionally, 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 vehicles or the geographic distribution of the recall.

Dealers will replace both hoses free of charge. Owner notification letters were mailed on September 14, 2023. Owners may contact Cummins customer service at 1-800-286-6467 or the NHTSA Vehicle Safety Hotline at 1-888-327-4236. Cummins' internal recall number is C2717.

The recalled product

Product
FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS recall
Manufacturer
Cummins, Inc.
Category
Vehicle — Diesel Engine
Hazard
Affected units
1,135

Distribution

Distributed nationwide across the United States.

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