Hydraulic pump efficiency loss in ZX-series excavators is often caused by micro-leakage inside the rotating group, where worn sealing interfaces allow internal bypass and reduce effective pressure build-up. 4451039 hydraulic pump seal kit is designed for Hitachi ZX200, ZX210, and ZX330 main pump systems, restoring sealing integrity across high-precision hydraulic contact zones.
Item NO.:
4451039Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYS
| Part Number | 4451039 |
|---|---|
| Part Name | Hydraulic Pump Seal Kit |
| Compatible Brand | Hitachi |
| Applicable Models | ZX200 / ZX210 / ZX330 |
| Application | Excavator |
| Material | NBR / PTFE / PU Composite Sealing Materials |
| Product Color | Mixed (Black / White / Brown) |
| Working Temperature | -35°C to 120°C |
| Key Function | Restores internal sealing and hydraulic pressure efficiency |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Re-establishes sealing performance inside hydraulic pump rotating and compression zones.

Helps reduce internal oil bypass that directly affects pump output efficiency.

Designed to support full-cycle hydraulic pump maintenance and rebuild operations.


FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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