2011 Detroit DD13, Truck Tractor, ECMs, Fits to: Freightliner Cascadia 125, (Used) 2009 DETROIT DIESEL DD13 ECM- Part Number: A0004461554/006, Serial Number: A2C742294000141822928, Engine: P-31831, Family Number: N/A, Displacement: 12.8L, Horsepower: 450, Serial Number: 471903S0043728, 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# A2C7422940000141822928, Casting# Other, Truck Year 2011 1FUJGEDV6BSAX7123