Main & Relief Valve Description
This Main & Relief Valve is indexed for Komatsu s: PC300-8M0 S/N Y301001-UP PC300LC-8M0 S/N Y301001-UP PC390LC-8M0 S/N 80699-UP PC430-8 S/N DBBN0001-up PC500LC-8R S/N 75979-UP. Compare reference number 723-41-08101 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 723-41-08101, 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.




