(Used) 2015 Freightliner Cascadia 125, DIESEL PARTICULATE FILTER- Engine: Detroit DD13, ( Inlet Facing Upward, Outlet Facing Inward, 31 pin plug ) Type plug: Round INLET- Inlet Part Number: 1608211801300B Inlet Serial Number: 12440005341920 DPF FILTER- DPF Part Number: A680 491 34 94 For condition chk pictures For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921