One New Aftermarket Replacement Arm Hydraulic Cylinder Seal Kit
Fits Komatsu Excavator
Model: PC50UU-1
Application: Arm
Cylinder#: 20U-63-02020
Serial Number#: 1001 – 1566
Cylinder#: 20U-63-02021
Serial Number#: 1567-
Rod: 55 mm
Bore: 80 mm
Replaces Part Number: 707-98-26110


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