... , all excavator part, carbon seal ring The valve control seal are avaialbe size is: IDI14*22*5.7DKB14*22* ... ring for BRT/T3P/T3G/N4W, Wear ring for WR, Slide ring for KTZ, Main oil seal for TCV/TCN, O ... a huge stock, ready to offer you any time! valve control seals, all excavator part, carbon seal ring