Main & Relief Valve Description
This Main & Relief Valve is indexed for Excavator Fit for Excavator, Loader, Tractor, Forklift, Crane, Harvester and so on machines with Sun Hydraulics RDDA-LWN Relief Valve. Compare reference number pilotpart638419 against the label on your existing Excavator component before ordering.
Before checkout, compare OEM part number pilotpart638419, 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.




