Hydraulic Coupler Description
This Hydraulic Coupler is indexed for Part Number; Hitachi Track Mounted Soil Recycler SR2000G Pump Coupling Assy 4641504 Name:Pump Coupling Assy; Hyd.Pump shaft to Engine Flywheel. Compare reference number 4641504 against the label on your existing Hitachi component before ordering.
Before checkout, compare OEM part number 4641504, 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.




