2019 PACCAR MX13, Truck Tractor, ECMs, Fits to: Peterbilt 579, (Used) 2018 PACCAR MX13, ENGINE ECM- ECM Model: Paccar Delphi, Part: 2037394, Serial number: 2515SA81550300, Engine Information- Family Number: JPCRH12.9M01, Displacement: 12.9L, Horsepower: 455, Serial Number: Y170965, Part Number: 2148353, 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, Serial# Y170965, Casting# Y170965, Truck Year 2019 1XPBDP9X8KD600748