(Used) 2006 Cummins ISB, ENGINE ECM- Part Number: 4921776, Serial Number: 33054368 ESN: 60711557, ECM CODE: Z90030.23. 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