... -resistance 4.for excavator parts Hydraulic DKBI Oil Seal for Excavator: 1.Different sizes of Oil Seal for excavator parts can ... the shaft,excellent resistant performance of dry grinding.4.Hydraulic DKBI oil seal can be used for excavator brands such as ... , KOMATSU, HITACHI, KOBELCO, KATO, SUMITOMO.5.Except excavator,hydraulic DKBI oil seal can also apply to Auto, motorcycle, machinery, water pumps ...