Main & Relief Valve Description
This Main & Relief Valve is indexed for Komatsu Excavator PC200-6 Pressure Relief Valve; Model: Komatsu Excavator PC200-6. Compare reference number pilotpart323210 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number pilotpart323210, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.




