(Used) 2013 Mack CXU613, DIESEL PARTICULATE FILTER- (Inlet facing forward, Outlet facing upwards, 1 Rectangular Plugs with 4 pins) INLET- Part Number: 21756506, Serial number: 12400006986090, OUTLET- Part Number: 22409089, Serial number: 20400028610856 Engine: Mack MP8, Reference images for condition, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921