2012 Detroit DD15, Truck Tractor, Engine Misc Parts, Fits to: Freightliner Cascadia 125, (Used) 2011 Engine Detroit DD15, EGR RECIRCULATION PIPE- Serial Number: 01232096, Part Number: A4721401208, flexible metal hose stainless steel over braided. Engine Information- Serial Number: 472903S0061732, 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# 01232096, Casting# 01232096, Truck Year 2012 1FUJGLDR6CSBD6420