531-9885 Hydraulic Main Pump Assembly for CAT 320 320 GC Excavator Diesel Engine Parts
531-9885 Hydraulic Main Pump Assembly for CAT 320 / 320 GC ExcavatorThe 531-9885 Hydraulic Main Pump Assembly is a high-quality hydraulic system component designed for Caterpillar 320 and 320 GC excavators. As the core power component of the excavator hydraulic system, this main pump converts engine ...
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The 531-9885 Hydraulic Main Pump Assembly is a high-quality hydraulic system component designed for Caterpillar 320 and 320 GC excavators. As the core power component of the excavator hydraulic system, this main pump converts engine power into hydraulic energy to provide stable oil flow and pressure for digging, lifting, swinging, and other working operations.
JISION hydraulic main pumps are manufactured with precision machining technology and durable materials to ensure reliable performance, excellent efficiency, and long service life in demanding construction environments.
This Pump GP-Main Hydraulic is an ideal replacement solution for excavator repair, maintenance, and hydraulic system restoration.
Provides stable hydraulic pressure and flow output to support powerful excavation operations and smooth machine movement.
Manufactured with high-strength materials and precision components to withstand continuous operation under harsh working conditions.
Maintains consistent hydraulic response, helping improve machine productivity and reduce downtime.
Accurate machining ensures proper fitment, reliable sealing, and smooth hydraulic operation.
Designed according to original specifications for convenient installation and replacement.
| Item | Specification |
|---|---|
| Product Name | Hydraulic Main Pump Assembly |
| Part Number | 531-9885 |
| Replacement Number | 5319885 |
| Product Type | Pump GP-Main Hydraulic |
| Application Model | CAT 320 / 320 GC Excavator |
| System | Hydraulic Main System |
| Machine Type | Hydraulic Excavator |
| Condition | Brand New Replacement Part |
| Brand | JISION |
Compatible with:
- Caterpillar 320 Excavator
- Caterpillar 320 GC Excavator
- CAT Hydraulic Excavator Systems
Suitable for:
- ✔ Hydraulic main pump replacement
- ✔ Excavator repair and maintenance
- ✔ Hydraulic system restoration
- ✔ Construction machinery service
- ✔ Heavy equipment spare parts supply
The hydraulic main pump is responsible for:
- Converting engine mechanical power into hydraulic power
- Providing hydraulic oil flow for working functions
- Supporting boom, arm, bucket, and swing operations
- Maintaining stable hydraulic system pressure
- Improving excavator operating efficiency
A reliable main hydraulic pump helps restore machine performance and reduce maintenance downtime.
- ✔ High-quality hydraulic components
- ✔ Precision manufacturing process
- ✔ Stable pressure and flow performance
- ✔ Strong wear resistance
- ✔ Long service life under heavy loads
- ✔ Professional inspection before shipment
- ✔ Reliable aftermarket replacement solution
1 * 531-9885 Hydraulic Main Pump Assembly
Before ordering, please confirm:
- Excavator model
- Original hydraulic pump part number
- Pump nameplate information
- Machine serial number
Correct information confirmation ensures proper compatibility and installation.
- 531-9885 Hydraulic Pump
- 5319885 Main Hydraulic Pump
- CAT 320 Hydraulic Pump
- 320 GC Excavator Main Pump
- Caterpillar Hydraulic Parts
- Excavator Hydraulic Main Pump Assembly
- Pump GP-Main Hydraulic
- Construction Machinery Spare Parts
- Diesel Engine Excavator Parts
JISION 531-9885 Hydraulic Main Pump Assembly is designed for CAT 320 and 320 GC excavators, delivering stable hydraulic pressure, reliable working performance, and durable operation for heavy-duty construction machinery hydraulic systems.
