4418909 CYL.;ARM (L) Hitachi parts of EX5500
1. Quick Details of seal 4418909:
| Part NO. | 4418909 |
| Machine | Wheel Loader |
| Size | OEM |
| Material | PU |
| Oil seal type | SEAL KIT |
2. 4418909 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 3086045 | BLOCK | 2 |
| 2 | 308599 | BLOCK | 2 |
| 3 | 4154694 | PLUG | 2 |
| 4 | 4037888 | O-RING | 1 |
| 5 | 4093624 | PLUG | 4 |
| 6 | 957366 | O-RING | 1 |
| 7 | 8076107 | PIPE | 2 |
| 8 | 8076108 | PIPE | 1 |
| 9 | 8076109 | PIPE | 1 |
| 10 | 8076110 | PIPE | 1 |
| 11 | 8076111 | PIPE | 1 |
| 12 | 8076112 | PIPE | 2 |
| 13 | 3076113 | PIPE | 2 |
| 14 | 8076114 | PIPE | 2 |
| 15 | M342065 | BOLT;SOCKET | 72 |
| 16 | 4510170 | O-RING | 18 |
| 17 | 4169565 | FLANGE;SPLIT | 24 |
| 18 | 8076126 | BRACKET | 2 |
| 19 | J011250 | BOLT;SEMS | 8 |
| 20 | 4086891 | WASHER | 8 |
| 21 | 4357265 | CLAMP:PIPE | 12 |
| 22 | 4362366 | CLAMP:PIPE | 16 |
| 23 | 1901402 | BOLT | 36 |
| 24 | A590914 | WASHER:SPRING | 36 |
| 25 | 4367367 | HOSE | 4 |
| 26 | 4180363 | HOSE | 2 |
| 27 | 4169565 | FLANGE;SPLIT | 12 |
| 28 | 4510170 | O-RING | 6 |
| 29 | M342065 | BOLT;SOCKET | 24 |
| 30 | 4425742 | CYL.;ARM (R)(for transportation) | 1 |
| 31 | 4409606 | CYL.;ARM (R)(for assembly of machine) | 1 |
| 32 | 4425743 | CYL.;ARM (L)(for transportation) | 1 |
| 33 | 4418909 | CYL.;ARM (L)(for assembly of machine) | 1 |
3. 4418909 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| EX8000-6 | 4429594 | 4629594 |
| 4629587 | 951719 | 4409606 |
| 4629588 | 4425744 | 4425743 |
| 4629589 | 0742800 | 4418014 |
| 4629591 | 4425742 | 4409606 |
| 4629592 | 0743200 | 4418016 |
5. FAQ
Q: I want to purchase full sealing repair components for wheel loader steering cylinder service, could you share the exact part number for my purchasing list?
A: The exact matching part number is 4418909, this complete steering cylinder seal kit is specially produced for wheel loader steering cylinder field maintenance and full hydraulic cylinder refurbishment work.
Q: Which hydraulic cylinder assembly does part number 4418909 fit on wheel loader equipment?
A: 4418909 matches the steering hydraulic cylinder, it changes the steering angle of front wheels to realize flexible direction adjustment during cargo handling, yard transfer and port‑site material transportation operations.
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
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