4425741 CYL.;BOOM Hitachi parts of EX5500, EX5500-5
1. Quick Details of seal 4425741:
| Part NO. | 4425741 |
| Machine | Large excavator |
| Size | OEM |
| Material | PU |
| Oil seal type | SEAL KIT |
2. 4425741 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 3082691 | BLOCK | 1 |
| 2 | 3082692 | BLOCK | 2 |
| 3 | 3082997 | BLOCK | 1 |
| 4 | 4154694 | PLUG | 3 |
| 5 | 4037888 | O-RING | 1 |
| 6 | 4093624 | PLUG | 3 |
| 7 | 957366 | O-RING | 1 |
| 8 | 8076103 | PIPE | 2 |
| 9 | 8076104 | PIPE | 4 |
| 10 | M342065 | BOLT:SOCKET | 48 |
| 11 | 4510170 | O-RING | 12 |
| 12 | 4169565 | FLANGE;SPLIT | 12 |
| 13 | 8076122 | BRACKET | 1 |
| 14 | 8076123 | BRACKET | 1 |
| 15 | 8076124 | BRACKET | 1 |
| 16 | 8076125 | BRACKET | 1 |
| 17 | J011260 | BOLT;SEMS | 16 |
| 18 | J271260 | BOLT;SEMS | 16 |
| 19 | 4086891 | WASHER | 16 |
| 20 | 4357265 | CLAMP;PIPE | 24 |
| 21 | J901402 | BOLT | 12 |
| 22 | J901404 | BOLT | 12 |
| 23 | A590914 | WASHER;SPRING | 24 |
| 24 | 4196228 | HOSE | 6 |
| 25 | 4169565 | FLANGE;SPLIT | 12 |
| 26 | 4510170 | O-RING | 6 |
| 27 | M342065 | BOLT;SOCKET | 24 |
| 28 | 4425741 | CYL.;BOOM | 2 |
3. 4425741 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| EX8000-6 | 4429594 | 4629594 |
| 4629587 | 4418909 | 4409606 |
| 4629588 | 4425744 | 4425743 |
| 4629589 | 0742800 | 4418014 |
| 4629591 | 4425742 | 4409606 |
| 4629592 | 0743200 | 4418016 |
5. FAQ
Q: I’m looking for complete sealing repair assembly for large excavator boom level cylinder service, could you give me the exact part number for my quotation list?
A: The exact matching part number is 4425741, this full boom level cylinder seal kit is produced for large excavator boom level cylinder field maintenance and full hydraulic cylinder refurbishment tasks.
Q: Which hydraulic cylinder assembly does part number 4425741 fit on large excavator equipment?
A: 4425741 matches the boom level hydraulic cylinder, it stabilizes boom horizontal balance status, supporting heavy‑duty lifting and material handling operations under harsh mining working conditions.
Q: What about the dimensional stability and surface workmanship of these sealing spare parts?
A: Every seal maintains consistent raw‑material color, all sharp corners receive precise chamfering, dynamic contact surfaces go through fine finishing treatment to lower abrasion under repeated boom lifting cycles.
Q: Can this product prevent hydraulic oil leakage effectively?
A: The precise size design effectively reduces internal leakage and external oil seepage.
Q: What construction scenarios often require this arm cylinder seal kit for regular maintenance?
A: It is widely used for maintaining mini excavators working on villa foundation projects, landscape engineering, pipeline trenching and rural road reconstruction.
6. Exhibition and Wearhous
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.