Main & Relief Valve Description
This Main & Relief Valve is indexed for s: Komatsu Excavator PC120-6. Compare reference number PC120-6 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number PC120-6, 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.




