... 5)material:45 cr+40 chromed plated Various parts for hyundai R210 arm, boom, bucket cylinder assy: Part ... cylinder, Arm cylinder and Bucket cylinder, which are applicable for Catepillar, Komatsu. Hitachi, Doosan, Volvo, Hyundai, Kobelco, Sumitomo, Kato, ... cylinders,rod pistons,cylinders,headcylinders,plungers,nuts,etc. BrandModelHitachiEX60,EX100,EX120, EX200, EX220, EX230,EX270,EX300,EX330,EX350, ...