(Used) 2009 Freightliner Cascadia 125, DIESEL PARTICULATE FILTER- (Inlet Facing Upward Direction, Outlet Facing Inward Direction, 34 Pin Plug) Type Plug: Round INLET- Part Number: 1608211801300B Serial Number: 12440005051543 DPF FILTER- Part Number: A 680 491 34 94 DRT Serial Number: 12400014591596/ 12400014589691 Serial Number: 12400003283079 Part Number: A 001 490 12 92 Engine: DETROIT DD15 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