... ,Chrome plated 3.ISO9002, QS9000, TS16949 engine piston ring set OEM manufacturer 1.Dia from 90mm---139mm2.Engine Type: W04D,EH700 ... Ltd. DWIT History: more than 45 years. DWIT products:Piston ring, piston, engine bearing, cylinder liner, liner kit, engine valve, ... Cummins, Perkins, Komatsu, Mitsubishi, Nissan, Hino, Isuzu, Toyota, Daewoo, Hyundai, Kia, Volvo, Benz, MAN, DAF, Iveco, Fiat, Mazda, Opel ...