(Used) 2012 PACCAR MX13, ENGINE ECM- ECM Model: Paccar Delphi, Part: 1889041 Serial number: 3801SA22400166, Engine Information- Family Number: CPCRH12.9M01, Displacement:12.9L, Horsepower: 455, ESN: Y022348, 2 Rectangular Plugs with 62 Pins, 1 Rectangular Plugs with 92 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