; HomeHeavy Duty Truck PartsExhaust EmissionDiesel Particulate Filter (DPF)FreightlinerColumbia 120Used 2009 Freightliner COLUMBIA 120 Diesel Particulate Filter (DPF) Used 2009 Freightliner COLUMBIA 120 Diesel Particulate Filter (DPF) Unfortunately this part is temporarily unavailable. View other Freightliner Columbia 120 Diesel Particulate Filter (DPF)