(Used) 2021 Freightliner Cascadia 126, DIESEL PARTICULATE FILTER- (Inlet Facing Upward , Outlet Facing Inward, 17,18 Pin Plug) Type Plug: Rectangular Serial Number: 12400049469240 Part Number: A-001-490-91-92 Engine: Detroit DD15, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921