2011 Detroit DD15, Truck Tractor, ECMs, Fits to: Freightliner Cascadia 125, (Used) 2011 Detroit Diesel DD15 ECM. Serial Number: 162681887, Part Number: RA0024460135, Engine Model-DD15, ESN: 472903S0049011 2 Rectangular Plug with 21/120 pin, 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# 472903S0049011, Casting# 472903S0049011, Truck Year 2011 1fujgldr2blay1672