Campaign 24E-106

Incorrect rubber elbow was installed in the liquid cooling system

Defect summary

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.

Consequence

A high temperature coolant leak increases the risk of injury to bystanders.

Remedy

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.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 24E106000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Vehicles covered by campaign 24E-106
Make	Model	Model years
Cummins	B6.7	Year not stated
Cummins	F3.8 Diesel Engine	Year not stated

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

No service bulletins on this component preceded the recall

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

24V-192 Mar 12, 2024
Vibration damper cap screws may be improperly tightened, which may cause the damper to separate from the engine
23E-080 Oct 17, 2023
Rear lifting bracket that attaches to the engine cylinder head may be insufficiently secured, which can allow it to detach
23E-054 Jul 18, 2023
Insufficiently tightened bolt can cause the rear lifting bracket to detach from the cylinder head
22E-063 Jul 28, 2022
Engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall
21E-060 Jun 29, 2021
Engine calibration software's management of the injection of Diesel Exhaust Fluid can allow excessive ammonia into the tailpipe exhaust
21E-014 Feb 17, 2021
Engine control module software may be calibrated incorrectly, causing the engine to not limit engine speed or torque as intended for certain…