1.used for hydraulic cylinder repair 2.perfect seal performance 3.dural&steady character hydraulic ... , DOOSAN, DAEWOO, SAMSUNG, JAPAN NOK, UK HALLITE, KOREA WYS, Hydraulic Cylinder Seal Kits ARM BOOM BUCKET; 2. Control valve or C ... . Rod seal IDI, dust seal DKB, buffer seal HBY, piston seal SPGO, piston seal SPGW; 4. Backup ring BRT, wear ring WR ...