Hydraulic Coupler Description
This Hydraulic Coupler is indexed for Claas Caterpillar CAT Sumitomo Kobelco Hyundai Hitachi Excavator. Compare reference number pilotpart306438 against the label on your existing Claas component before ordering.
Before checkout, compare OEM part number pilotpart306438, 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.




