Cummins B6.7 (Cummins) – Cooling System Component Failure (2024)
Hazard assessment based on recall description.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
CUMMINS B6.7
Brand
CUMMINS
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Cummins, Inc. is recalling certain CUMMINS B6.7 equipment due to engine and engine cooling:cooling system:hoses/lines/piping/fittings issues. A high temperature coolant leak increases the risk of injury to bystanders..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Cummins, Inc. (Cummins) is recalling certain B6.7 Diesel Engines part numbers RA11741 and RA11769, and F3.8 Diesel Engines part numbers RA 11789 and RA00074. The incorrect rubber elbow was installed in the liquid cooling system. The elbow can expand and leak coolant.
Reported concern (NHTSA)
A high temperature coolant leak increases the risk of injury to bystanders.
Recommended Action
Per NHTSA guidance
Dealers will replace the rubber hose elbow, free of charge. Owner notification letters were mailed April 25, 2025. Owners may contact Cummins customer service at 1-800-286-6467. Cummins' number for this recall is C7119.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026