2018 PACCAR MX13, Truck Tractor, ECMs, Fits to: Peterbilt 579, (Used) 2017 PACCAR MX13, ECM- Part Number: 2037394, Serial Number; 2515SA72030528, Engine: 23905, Family Number: HP RH12.9M01, Displacement: 12.9L, Horsepower: 430, E.C.S.: DDI, TC, CAC, ECM, EGR-C, OC, SCR-U, PTOX, Serial Number: Y150036, 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# 2515SA73030528, Casting# other, Truck Year 2018 1XPBDP9X4JD492241