Main & Relief Valve Description
This Main & Relief Valve is indexed for Komatsu Fit For Komatsu Excavator PC Straight Line Travel Valve. Compare reference number pilotpart690643 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number pilotpart690643, 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.




