471504 Main Hydraulic Pump Shaft Overhaul Oil Seal Repair Kit for Excavator
1. Quick Details of seal 471504:
| Part NO. | 471504 |
| Machine | Excavator |
| Size | OEM |
| Material | HNBR rubber with stamped carbon steel insert |
| Oil seal type | SEAL LIP |
2. 471504 picture:
3. Service part number :
| PART NO. | PART NO. | Part NO. |
| 254287 | 471354 | 478035 |
| 471750 | 480630 | 473016 |
| 471567 | 455655 | 471442 |
| 480028 | 470954 | 370021 |
| 471570 | 370018A | 478035 |
| 415187 | 481192 | 473214 |
4. FAQ
Q: Can this oil seal work steadily on rotating shaft assemblies?
A: Yes, the specially designed sealing lip fits rotary shafts to block internal lubricant leakage.
Q: What color can be seen for each component inside this kit?
A: Rubber sealing rings are black, and stamped steel insert shows dark grey matte anti‑rust finish.
Q: Which machine component is this seal kit applied to?
A: It serves main hydraulic pump shaft assembly, preventing hydraulic fluid leakage at pump rotating shaft interface.
Q: Can these seals endure frequent pressure fluctuation under construction conditions?
A: Yes, it adapts cyclic pressure change and continuous rotation generated by excavator main pump.
Q: Does this kit cover all required seals for one main pump overhaul work?
A: Yes, it includes matched shaft oil seals, garter springs and auxiliary anti‑dust washers for single pump repair.
Q: Are heavy‑duty dust‑and‑mud resistant wiper seals included within this repair set?
A: Wiper seals are supplied, blocking mine rock dust, muddy slurry and metal fine particles from entering shaft clearance gaps.
Q: How well can this full sealing kit block mud, gravel dust and hot gear oil mist on muddy outdoor road job sites?
A: The multi-layer flexible rubber lip scrapes thick mud off the shaft surface, the fully enclosed plated metal shell blocks coarse dust particles, and inner auxiliary rubber layers isolate high-temperature oil mist to protect internal precision gears.
5. Exhibition and Wearhous
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