2012 Detroit DD15, Truck Tractor, Engine Misc Parts, Fits to: Freightliner Cascadia 125, (Used) 2011 Engine Detroit DD15, ENGINE BRACKET WITH BELT TENSIONER- Part Number: A4721550335, BELT TENSIONER- Part Number: A4722001070, A47220070, Engine Information- ESN: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# 472903S0061732, Casting# 472903S0061732, Truck Year 2012 1FUJGLDR6CSBD6420