(Used) 2005 Cummins ISB, ENGINE ECM- ECM Model: 850, Part Number: 4921776, Serial Number: 26021734, ESN: 46517496, E/C: Z90030.18, 1 Rectangular Plug with 4 pins, 1 Rectangular Plug with 60 pins, 1 Rectangular Plug with 50 pins, Reference images for condition. For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921