1. oem replacement ; 2.A4VSO40,A4VSO71,A4VSO125,A4VSO180,A4VSO250,A4VSO300,A4VSO355,A4VSO370\A4VSO500 ... . 11.Rated working pressure up to 350Bar(35MPa)12.Suitable media: mineral oil and water glycol. The clearness grade: above NAS9 ... , 180, 250, 355, 370 is ready at any time. OEM replacement A4VSO250 viarable piston pump