Description
Product Overview
The 2055283 / 163G2-52031 / 163G252031 Pilot Gear Pump is a high-quality hydraulic component designed for Hitachi ZW220 and ZW310-5A wheel loaders.
As an important part of the hydraulic system, the pilot gear pump provides stable pilot pressure for hydraulic control circuits, ensuring smooth operation of hydraulic valves, accurate machine control, and reliable working performance.
Hongtengda specializes in supplying construction machinery hydraulic parts, engine components, electrical parts, and replacement solutions for global customers, including equipment repair shops, distributors, and heavy machinery service providers.
1. Key Features & Advantages
● Compatible with Hitachi ZW220 / ZW310-5A Loaders
Designed specifically for:
- Hitachi ZW220 Wheel Loader
- Hitachi ZW310-5A Wheel Loader
Ensuring accurate installation and reliable hydraulic system compatibility.
● Stable Pilot Hydraulic Pressure Supply
The pilot gear pump provides consistent hydraulic pressure to support:
- Smooth valve control
- Accurate hydraulic response
- Stable machine operation
- Improved operator control
● High-Quality Hydraulic Performance
Manufactured for heavy equipment applications with advantages including:
- Stable oil flow output
- Good wear resistance
- Reliable sealing performance
- Long service life
Suitable for demanding working environments such as construction, mining, and material handling operations.
● Reliable Replacement Solution
A worn or damaged pilot gear pump may cause:
- Slow hydraulic response
- Unstable machine operation
- Reduced working efficiency
- Hydraulic control problems
Replacing the gear pump helps restore hydraulic system performance and reduce equipment downtime.
● Original Quality Replacement Part
Supplied as an original quality replacement component, ensuring good compatibility with Hitachi loader hydraulic systems.
● Professional Inspection Before Shipment
Before shipping, Hongtengda provides:
✓ Product condition inspection
✓ Part number verification
✓ Detailed product photos
✓ Buyer confirmation before shipment
Ensuring customers receive the correct hydraulic component.
2. Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Pilot Gear Pump |
| Reference Part Numbers | 2055283 / 163G2-52031 / 163G252031 |
| Applicable Models | Hitachi ZW220 / ZW310-5A Loader |
| Product Type | Gear Pump / Pilot Gear Pump |
| Product Category | Hydraulic System Parts |
| Brand Name | HTD |
| Place of Origin | China |
| Condition | Original Quality Part |
| MOQ | 1 Piece |
| Supply Capacity | 300 Pieces / Month |
| Warranty Period | 3-6 Months (According to Product Details) |
| Packaging Details | Wooden Case Packaging or Customized |
| Payment Methods | L/C, T/T, XTransfer, PayPal, Western Union |
| Delivery Time | 5-8 Working Days (Depending on Order Status) |
| Shipping Methods | Sea Freight / Air Freight / DHL / FedEx / TNT / EMS |
| Quality Assurance | Product Inspection + Detailed Photos Confirmation |
3. Application Fields
The Hitachi ZW220 / ZW310-5A Pilot Gear Pump is widely used in:
Wheel Loader Maintenance
Suitable for:
- Loader hydraulic system repair
- Construction equipment maintenance
- Hydraulic component replacement
- Heavy machinery servicing
Construction Industry
Applied in:
- Building projects
- Infrastructure construction
- Material handling operations
- Earthmoving applications
Mining & Quarry Operations
Suitable for:
- Mining equipment maintenance
- Quarry material loading
- Heavy-duty working environments
Machinery Repair & Distribution
Common customers include:
- Construction machinery repair shops
- Hydraulic service companies
- Equipment distributors
- Spare parts wholesalers
4. Why Choose Hongtengda?
Professional Construction Machinery Parts Supplier
Guangzhou Hongtengda Engineering Machinery Co., Ltd. specializes in excavator and construction machinery spare parts supply.
With more than 25 years of industry experience, we provide reliable solutions for global machinery maintenance customers.
Our product categories include:
- Hydraulic pumps
- Hydraulic cylinder parts
- Gear pumps
- Engine components
- Electrical parts
- Excavator and loader replacement parts
Accurate Parts Matching Service
To reduce purchasing errors, we provide:
✓ Machine model verification
✓ Part number confirmation
✓ Product information checking
✓ Detailed product photos before shipment
Helping customers quickly source the correct components.
Global Export Service
Hongtengda supports:
- Individual repair orders
- Wholesale purchasing
- Distributor cooperation
- Long-term supply partnerships
Shipping methods include:
- Sea freight
- Air freight
- DHL
- FedEx
- TNT
- EMS
5. Product Quality Assurance
Before shipment, every pilot gear pump is carefully inspected.
Quality checks include:
- Product appearance
- Part number accuracy
- Hydraulic component condition
- Packaging protection
Detailed photos are provided to customers before shipment for confirmation.
6. FAQ
Q1: Which machines does this pilot gear pump fit?
This gear pump is suitable for:
- Hitachi ZW220 Loader
- Hitachi ZW310-5A Loader
Q2: What are the reference part numbers?
Compatible part numbers include:
- 2055283
- 163G2-52031
- 163G252031
Q3: What is the function of a pilot gear pump?
The pilot gear pump supplies hydraulic pilot pressure, helping control hydraulic valves and ensuring smooth machine operation.
Q4: Can I order one piece?
Yes. The MOQ is 1 piece. Both single orders and bulk purchases are supported.
Q5: How do you confirm the product before shipping?
We inspect the product and send detailed pictures to buyers for confirmation before shipment.
7. Maintenance Tips
To extend the service life of the pilot gear pump:
- Use clean hydraulic oil that meets equipment requirements.
- Replace hydraulic filters regularly.
- Check hydraulic oil levels periodically.
- Avoid contamination entering the hydraulic system.
- Inspect hydraulic hoses and connections for leakage.
