2015 Detroit DD15, Truck Tractor, ECMs, Fits to: Freightliner Cascadia 125, (USED) 2015 Detroit DD15, ECM. S/N-472906S0258990 P/N-A0014462835 HP-455 CPL-472906S PINS-120, 21 Engine Model-DD15 For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# 472906S0258990, Casting# 472906S0258990, Truck Year 2015 3AKJGLD52FSGF7148