The Recall Desk
HighNHTSA·24E106000·Announced 2024-12-17

Cummins Recalls Diesel Engines Due to Coolant Leak Risk

Cummins is recalling specific B6.7 and F3.8 diesel engines because an incorrect rubber elbow in the cooling system can leak hot coolant, posing an injury risk to bystanders.

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-harm product (hot coolant leak) where injury has not yet been reported, fitting the 'High' severity criteria for theoretical or unreported injury risks.

Plain-English summary

Cummins, Inc. is recalling certain B6.7 Diesel Engines (part numbers RA11741 and RA11769) and F3.8 Diesel Engines (part numbers RA 11789 and RA00074). The recall addresses a defect where an incorrect rubber elbow was installed in the liquid cooling system. This component can expand and leak coolant.

A high-temperature coolant leak increases the risk of injury to bystanders. The source text does not report any specific incidents of injury or death associated with this defect.

Dealers will replace the rubber hose elbow free of charge. Owner notification letters were mailed on April 25, 2025. Owners may contact Cummins customer service at 1-800-286-6467 or the NHTSA Vehicle Safety Hotline at 1-888-327-4236. Cummins' recall number is C7119.

The recalled product

Product
ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS recall
Manufacturer
Cummins, Inc.
Category
Vehicle — Engine Components
Hazard
Affected units
203

Distribution

Distributed nationwide across the United States.

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