Main & Relief Valve Description
This Main & Relief Valve is indexed for Kato Excavator HD450 Relief Valve; Model: Kato Excavator HD450. Compare reference number pilotpart322860 against the label on your existing Kato component before ordering.
Before checkout, compare OEM part number pilotpart322860, 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.




