... seals, all excavator part, carbon seal ring The valve control seal are avaialbe size is: ... *25*2KYB16KYB22KYB25KYB28AR0874EAR0591EAR8510EX-RING22X-RING25X-RING28BR3393RBR2511EIP3702IP3703IP3704IP3705Various PILOT VALVE SEAL are appliy for Komatsu, Cat, Hitachi, ... ring for 1BG/1BP, Crankshaft seal, Valve seal, DU bushing, Floating seal, Coupling, Pusher, Steel ring ... all excavator part, carbon seal ring