(Used REMAN) 2011 Freightliner Cascadia 125, DIESEL PARTICULATE FILTER- ( Inlet Facing Up, Outlet Facing Up) DOC Number: A 680 490 12 14, DPF Number: A 680 491 05 94, For a DD15 Engine Assembly, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921