1,piston ring ,Benz piston ring,230E 190E Benz piston ring ,08-179700-00 2,Management:ISO9002, TS/16949 ... ,Material:Alloy steel 1,Production discription:piston ring, Benz piston ring ,230E, 190E Benz piston ring The related code of 230,L 408 ... ,L Benz piston rings :08-179700-009-1040-00 [SM ...