Main & Relief Valve Description
This Main & Relief Valve is indexed for Yanmar s: Fit for Yanmar Excavator VIO17-A. Compare reference number 172A64-74480 against the label on your existing Yanmar component before ordering.
Before checkout, compare OEM part number 172A64-74480, 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.




