Used engine wiring harness removed from a 2003 Dodge Cummins 5.9L engine that was parted out. Harness was removed from a good running engine that was parted out. Harness is in excellent condition. This is only for the harness as pictured – this is just the rear section and not complete engine harness. Cummins part # 3965108. Please compare photos and part number or check with dealer to ensure this is the correct harness for your application. Please compare part # and. See 16 photos and contact with any questions.