Main & Relief Valve Description
This Main & Relief Valve is indexed for Part Number; Hitachi Excavator EX300-5 Main Relief Valve 0719308; Model: Hitachi Excavator EX300-5. Compare reference number 719308 against the label on your existing Hitachi component before ordering.
Before checkout, compare OEM part number 719308, 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.




