Not Sure which Seal Kit you need? View our Excavator Cylinder ID Diagram
Cylinder Rebuild/Repair Seal Kit for Komatsu Model PC28UU-1 Mini/Compact Excavator Serial Numbers: 1001 - Up Cylinder #s: 21U-63-02011 Rod: 45 mm Bore: 80 mm
Cylinder Rebuild/Repair Seal Kit for Komatsu Model PC28UU-1 Mini/Compact Excavator Serial Numbers: 1001 - Up Cylinder #s: 21U-63-02030, 21U-63-02031 Rod: 35 mm Bore: 70 mm
Cylinder Rebuild/Repair Seal Kit for Komatsu Model PC28UU-1 Mini/Compact Excavator Serial Numbers: 1001 - Up Cylinder #s: 21U-63-02020 Rod: 40 mm Bore: 80 mm
Cylinder Rebuild/Repair Rod Bushing for Komatsu Model PC28UU-1 Mini/Compact Excavator Serial Numbers: 1001 - Up Cylinder #s: 21U-63-02020 Rod: 40 mm
Cylinder Rebuild/Repair Seal Kit for Komatsu Model PC28UU-1 Mini/Compact Excavator Serial Numbers: 1001 - Up Cylinder #s: 21U-63-02041, 21U-63-02042 Rod: 35 mm Bore: 70 mm
Cylinder Rebuild/Repair Seal Kit for Komatsu Model PC28UU-1 Mini/Compact Excavator Serial Numbers: 1001 - Up Cylinder #s: 21U-63-02050, 21U-63-02060 Rod: 40 mm Bore: 80 mm