CUMMINS CUMMINS ISL Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
CUMMINS ISL
Brand
CUMMINS
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Cummins, Inc. is recalling certain CUMMINS ISL equipment due to fuel system, diesel:fuel injection system:fuel rail issues. A fuel leak in the presence of an ignition source increases the risk of a fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Cummins, Inc. (Cummins) is recalling certain ISL remanufactured diesel engines sold as replacement equipment. Please see the Part 573 report for a full list of part numbers. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Reported concern (NHTSA)
A fuel leak in the presence of an ignition source increases the risk of a fire.
Recommended Action
Per NHTSA guidance
Dealers will inspect the rail threads and fuel lines for damage, and replace the rail as necessary, free of charge. Owner letters were mailed on September 24, 2021. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C2449.
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