The Endurance Vortex MaxLife piston pump delivers superior pump life with patented MaxLife and breakthrough Vortex rotating rod technologies. Replacement pump for Ultra Max II 695/795 ProContractor Series and GMAX II 3900 ProContractor Series sprayers model year 2019 and newer. Lasts 6X longer between repacks with innovative MaxLife technology Oversized passages for high velocity flow to rotate piston for even wear Repack pump in minutes with new QuikPak cartridge repair system Click Here To Download Manual Fits The Following Sprayers 695 PC Ultra Max II Pro # 17E577 695 PC Ultimate MX II Pro # 826224 795 PC Ultra Max II Pro #17E582 795 PC Ultimate MX II Pro # 826226 Common Repair Parts 17H841 - Packing Kit 17H876 - Piston Rod 17H865 - Cylinder 17H864 - Sleeve 287877 - Piston Valve 15C785 - Intake Valve Housing