2015 Cummins ISX, Truck Tractor, ECMs, Fits to: International PROSTAR, (USED) 2015 Cummins ISX15, ECM. S/N-4175932 P/N-521710 HP-425 CPL-3937 PINS-96, 96 Engine Model-ISX15 For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# 4175932, Casting# 4175932, Truck Year 2015 1HSDJAPR2FH572343