Description
Product Details
| Seal Kit | pc28uu-3 |
| Cylinder Part Number | 21U-63-02422 |
| Brand | Komatsu |
| Cylinder Type | Arm Cylinder - Seal Kit |
| Rod Diameter | 40 mm |
| Bore Diameter | 75 mm |
| Product Type | Hydraulic Cylinder Seal Kit |
This arm cylinder seal kit is listed for Komatsu PC28UU-3 excavator applications. The current catalog record states cylinder part number 21U-63-02422, rod diameter 40 mm and bore diameter 75 mm. Check the original hydraulic cylinder identification, machine configuration and required seal dimensions before ordering. These catalog part numbers have not been independently authenticated; repeated dimensions or part numbers across PC28 variants do not prove interchangeability.