Komatsu Control Valve Seal Kit PC75 Series

This control valve seal kit is designed for the main hydraulic control valve on Komatsu PC75 series midi excavators. The kit contains all necessary seals, O-rings, and backup rings to rebuild the control valve assembly, restoring hydraulic integrity and preventing internal leakage. Manufactured to OEM specifications using high-grade nitrile rubber (NBR) compounds, the seals withstand operating pressures up to 35 MPa and temperatures from -30°C to 100°C. The kit ensures reliable pilot pressure control and smooth valve spool operation, critical for precise excavator movement. Direct replacement for Komatsu PC75-1, PC75R-2, PC75UD-2, PC75UD-3, PC75US-3, PC75UU-1, PC75UU-2, PC75UU-3, and PC75-6 models. No modifications required for installation.