Main & Relief Valve Description
This Main & Relief Valve is indexed for Part Number; Hitachi Excavator EX220 EX270 EX300 EX300-2 EX300-3 Main Relief Valve 4228354; Hitachi Excavator: EX200K,EX220,EX270,EX300,EX300-2,EX300-3,EX300-3C,EX310H-3C,RX2000. Compare reference number 4228354 against the label on your existing Hitachi component before ordering.
Before checkout, compare OEM part number 4228354, 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.




