The RITO 4191663 main hydraulic pump coupling assembly is engineered for stable torque transmission in large excavators such as ZX350H ZX350K ZX350LC-AMS ZX350LC-HCME. It ensures a secure connection between engine output and hydraulic pump input, reducing torsional vibration and preventing misalignment stress that can lead to pump failure under continuous heavy-duty operation.
Item NO.:
4191663Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time：
2-3 DAYS
| Part Number | 4191663 |
|---|---|
| Part Name | coupling with bolts |
| Compatible Brand | Hitachi |
| Applicable Models | ZX350H ZX350K ZX350LC-AMS ZX350LC-HCME |
| Application | Excavator |
| Material | Alloy Steel + High-Durability Flexible Element |
| Product Color | Black, Grey |
| Working Temperature | -40°C to 130°C |
| Key Function | Connect engine flywheel and hydraulic pump for torque transfer |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |
Ensures reliable power delivery from engine to hydraulic pump under heavy load conditions.
Reduces mechanical shock to protect pump shaft, bearings, and drivetrain components.
Built for continuous mining and large-scale earthmoving operations with high stress cycles.
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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