(Used) 2006 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 29031209 ESN: 46596663, ECM CODE: Z90030.18, Type Plug: 3 Rectangular, Pin Plug: 2 Plugs of 60 Pins c/u, 1 Plug of 4 Pins, For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921