(Used) 2004 Cummins ISB ECM- Serial Number: 23021667, Part Number: 3965159, Family Number: 4CEXH0359BAG, Horsepower: 185, ESN: 57230490, CPL: 8136, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921