1,piston ring,Benz piston ring,OM617 OM616 Benz piston ring 2.Management:ISO9002,TS/16949 3,Material:Alloy steel Welcome call Engine Model Vehicle Model Dia. No.cyl Axial Waith Motor M160Smart63.531.2+1.5+2.5OM636170,180,319,405 406 Unimog7542+2+2+4OM636170,180,319,405 406 Unimog7542+2+2+5+5M166 E14A140, A1608041.2+1.5+3OM668 DELA16,1689CC8042+2+3M103 E26190E 2.6 260E 260SE82.961.5+1.75+3M112 ...