Catalog spare parts Komatsu for free - "26. BOOM CYLINDER (EXTENDED ARM) [7420] - Komatsu part WB97R-2 S/N 97F20001-Up [wb97r_2]"
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| _ | _ | β | Number | Qty | Name | Options |
| | | | 395001005 | 1 | BOOM CYLINDER | SN: 97F20001- |
| | | 1 | 395083011 | 1 | CYLINDER | SN: 97F20001- |
| | | 2 | 500217006 | 2 | BUSHING | SN: 97F20001- |
| | | 3 | 312305603 | 1 | VALVE | SN: 97F20001- |
| | | 4 | 804030055 | 1 | SPRING | SN: 97F20001- |
| | | 5 | 855150037 | 1 | WASHER | SN: 97F20001- |
| | | 6 | 390022007 | 1 | CAP | SN: 97F20001- |
| | | 7 | 391709001 | 1 | PIN | SN: 97F20001- |
| | | 8 | 805750022 | 11 | BALL | SN: 97F20001- |
| | | 9 | 395272014 | 1 | PISTON | SN: 97F20001- |
| | | 10 | 801476086 | 1 | SCREW | SN: 97F20001- |
| | | 11 | 395302013 | 1 | CYLINDER HEAD | SN: 97F20001- |
| | | 12 | 395184014 | 1 | ROD | SN: 97F20001- |
| | | 12 | 878000489 | 1 | GASKET KIT | SN: 97F20001- |
| | | 13 | * | 1 | GASKET | SN: 97F20001- |
| | | 14 | * | 1 | RING WEAR | SN: 97F20001- |
| | | 15 | * | 1 | O RING | SN: 97F20001- |
| | | 16 | * | 1 | O RING | SN: 97F20001- |
| | | 17 | * | 1 | RING | SN: 97F20001- |
| | | 18 | * | 1 | O RING | SN: 97F20001- |
| | | 19 | * | 1 | SCRAPER RING | SN: 97F20001- |
| | | 20 | * | 1 | GASKET | SN: 97F20001- |
| | | 21 | * | 1 | SCRAPER RING | SN: 97F20001- |
