4B3.9 6B5.9 Cummins Diesel Engine ECM ECU Wiring Harness 3958224.

Came out of a running truck! One broken connector, one cut ground wire.

4B3.9 6B5.9 Cummins Diesel Engine ECM ECU Wiring Harness 3958224.

2004 Dodge Ram 5.9L Cummins Diesel Engine Wiring Harness OEM. USED – In Good Condition.

Came out of a running truck! One broken connector, no broken wires.

Came out of a running truck! No cut ground wires, 1 damaged connector. This is for a manual truck! Please verify and compare with your existing harness! Dodge did weird things with the manual harnesses.

Came out of a running truck! 1 cut ground wire. One section has wires rubbed through.

03 Dodge Ram 5.9 Cummins diesel engine wiring harness in good working condition.

Harness is in excellent condition and was removed from a good running truck (photos are of the exact item you will receive). Harness is Cummins part # 4946123 A / Mopar part #. This is just main / front harness section as pictured (there is another smaller rear section that connects to this harness and is not included). Please see 23 photos and compare part number to ensure this is the correct harness for your application.

The lock clip on one connector is broken off (see 18 photos for close ups) otherwise in good used condition. Please see 18 photos and contact with any questions.