Hitachi EX25 Pilot Valve Seal Kit

This pilot valve seal kit is engineered for the hydraulic control lever assembly on Hitachi EX25 and EX25-2 mini excavators. It includes all necessary elastomeric seals to rebuild the pilot control valve, preventing hydraulic fluid leakage and ensuring precise joystick response. The kit comprises high-durometer NBR O-rings, PTFE backup rings, and polyurethane wipers compatible with mineral-based hydraulic oils. Designed to withstand pilot circuit pressures up to 5 MPa and operating temperatures from -30°C to 100°C. Direct replacement for OEM pilot valve seal assemblies used in the EX25 series hydraulic control system.