Catalog spare parts Komatsu for free - "25. EXTENDED ARM CYLINDER [7410] - Komatsu part WB91R-2 S/N 91F20001-Up [wb91r_2]"
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![WB91R_2 0]()
| _ | _ | β | Number | Qty | Name | Options |
| | | | 395002004 | 1 | Arm cylinder | SN: 91F20001- |
| | | 1 | 395067011 | 1 | Cylinder | SN: 91F20001- |
| | | 2 | 500217005 | 2 | Bushing | SN: 91F20001- |
| | | 3 | 500044300 | 1 | Spacer | SN: 91F20001- |
| | | 4 | 801920220 | 1 | Nut | SN: 91F20001- |
| | | 5 | 395275013 | 1 | Piston | SN: 91F20001- |
| | | 6 | 391575011 | 1 | Bushing | SN: 91F20001- |
| | | 7 | 395188011 | 1 | Rod | SN: 91F20001- |
| | | 8 | 500217006 | 1 | Bushing | SN: 91F20001- |
| | | 9 | 395303011 | 1 | Cylinder head | SN: 91F20001- |
| | | 9 | 878000491 | 1 | Gasket kit | SN: 91F20001- |
| | | 10 | * | 1 | Gasket | SN: 91F20001- |
| | | 11 | * | 1 | Ring wear | SN: 91F20001- |
| | | 12 | * | 2 | O Ring | SN: 91F20001- |
| | | 13 | * | 2 | Ring | SN: 91F20001- |
| | | 14 | * | 1 | O Ring | SN: 91F20001- |
| | | 15 | * | 1 | Scrapper ring | SN: 91F20001- |
| | | 16 | * | 1 | Gasket | SN: 91F20001- |
| | | 17 | * | 1 | Scraper ring | SN: 91F20001- |
