Alliant Power AP70111 Remanufactured Diesel Particulate Filter (DPF) for the MaxxForce DT / 9 / 10 application. Fits a Navistar vehicle, Navistar engine, MaxxForce DT / 9 / 10. Alliant Power DPF gaskets are included with DPF and are also sold individually. Contact Alliant Power Technical at 1.800.735.9775 for assistance determining correct DPF. VIN and ECM calibration required.