The Recall Desk
HighNHTSA·26E066000·Announced 2026-09-28

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

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 fire and crash due to fuel leaks and engine stalls, but the source text does not report any actual injuries, deaths, or property damage, fitting the High severity criteria for risk-of-harm products without reported incidents.

Plain-English summary

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

The fuel leak increases the risk of a fire if an ignition source is present. Additionally, an engine stall increases the risk of a crash. The source text does not specify the total number of affected vehicles or the geographic distribution of the recall.

Dealers will replace the fuel hoses free of charge. Owner notification letters are expected to be mailed on November 20, 2026. Owners may contact Cummins customer service at 1-800-286-6467. The Cummins recall number for this action is C7311. Engines previously remedied under Recalls 23E055, 24E038, or 25E004 will require the installation of new redesigned parts.

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
39,052

Distribution

Distributed nationwide across the United States.

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