(Used) 2013 Freightliner Cascadia 125, DIESEL PARTICULATE FILTER- (Inlet Facing Upward, Outlet Facing Inward, 33 Pin Plug ) Type Plug: Round FILTER- Part Number: RA680-491-0894 Serial Number: R12440000018527 Engine: Detroit DD13 For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921