2012 Cummins ISX12, Truck Tractor, ECMs, Fits to: Peterbilt 388, (USED) 2011 CUMMINS ISX12 ECM- Part Number: 4993120, Engine Serial # 7503838 Engine HP: 425 CPL/AR: 3438 Serial Number: A11211597 To find out more about this engine, give us a call. We ship worldwide! Complete Recycling Group (CRG) 929 W PULASKI HWY ELKTON, MD 21921, Serial# A11211597, Casting# A11211597, Truck Year 2012 1XPWD79X8CD147248