Piston Ring 1.Engine piston ring, auto piston ring 2. ... .ISO9002,QS9000,TS16949 Piston Ringpiston ring for Komatsu 6D105 engine:1.piston ring material :nodular iron, cast iron, ... 4D33, 4D35, 6D14, 6D14T, 6D15, 6D15T, 6D16, 6D16T, 6D20, 6D22, 6D22T, 8DC6, 8DC8, 8DC6, 8DC81, 8DC91, 8DC9T, 6D40, ... TON, H3.5, D4AF 3 TON, D4AF, 6D16, D6AB, 6D22, M96Benz piston ringOM601, OM602, 200D, 220D, OM615, OM603, ...