Komatsu D20A-7 & D21A-7 Blade Angle Cylinder Seal Kit

Cylinder Rebuild/Repair Seal Kit for Komatsu D20A-7 & D21A-7 Dozers

Please Choose the Option that Matches your Machine

• Serial Numbers: 75001 - 78603
  • PAT Models
  • Cylinder #s: 101-63-02030
  • Rod: 35 mm
  • Bore: 70 mm
• Serial Numbers: 78604 - Up
  • PAT Models
  • Cylinder #s: 101-63-02031
  • Rod: 35 mm
  • Bore: 70 mm