valve control seals, all excavator part, carbon seal ring The valve control seal are avaialbe size is: IDI14*22*5.7DKB14*22*4SVY14*25*2KYB16KYB22KYB25KYB28AR0874EAR0591EAR8510EX-RING22X-RING25X-RING28BR3393RBR2511EIP3702IP3703IP3704IP3705Various PILOT VALVE SEAL are appliy for Komatsu, Cat, Hitachi, Kobelco, Volvo, Sumitomo, Daewoo, Hyundai ...also we can supply for these brand NOK, WYS, HALLITE, ...