Description
Product Overview
The 729923-51310 High Pressure Diesel Fuel Pump is a professional engine fuel system component designed for the Hitachi ZAX70-5A excavator equipped with the Yanmar 4TNV98 engine.
As a critical component of the diesel injection system, the high-pressure fuel pump delivers fuel at the required pressure to ensure efficient combustion, stable engine operation, and reliable power output. A properly functioning fuel pump helps maintain smooth excavator performance and reduces the risk of engine power loss or abnormal operation.
Manufactured in Japan with reliable quality standards, this fuel pump is suitable for excavator maintenance, repair, and replacement applications. Hongtengda provides professional construction machinery parts solutions for global customers, including repair shops, distributors, and heavy equipment service providers.
1. Key Features & Advantages
● Designed for Hitachi ZAX70-5A Excavator
The 729923-51310 high-pressure diesel pump is specifically compatible with:
- Hitachi ZAX70-5A Excavator
Ensuring accurate matching and reliable installation.
● Compatible with Yanmar 4TNV98 Engine
Designed for the Yanmar 4TNV98 diesel engine, providing stable fuel supply and efficient engine operation.
● Stable High-Pressure Fuel Delivery
The fuel pump provides consistent fuel pressure to support:
- Efficient diesel injection
- Better combustion performance
- Stable engine output
- Smooth machine operation
● Reliable Performance in Heavy Equipment Applications
Suitable for demanding working environments with advantages including:
- Strong durability
- Stable fuel pressure control
- Reliable sealing performance
- Long service life
Ideal for construction, excavation, and machinery maintenance applications.
● Restore Excavator Engine Performance
A worn or damaged fuel pump may result in:
- Difficult starting
- Reduced engine power
- Unstable operation
- Increased fuel consumption
Replacing the fuel pump helps restore normal engine performance and improve equipment reliability.
● Professional Inspection Before Shipment
Before shipping, Hongtengda provides:
✓ Product condition inspection
✓ Part number verification
✓ Detailed product photos
✓ Buyer confirmation before delivery
Helping customers ensure correct parts selection.
2. Technical Specifications
| Item | Specification |
|---|---|
| Product Name | High Pressure Diesel Fuel Pump |
| Part Number | 729923-51310 |
| Applicable Model | Hitachi ZAX70-5A |
| Engine Model | Yanmar 4TNV98 |
| Product Type | High Pressure Fuel Injection Pump |
| Product Category | Engine Fuel System Parts |
| Brand Compatibility | Hitachi / Yanmar |
| Brand Name | HTD |
| Place of Origin | Japan |
| Condition | Original / Replacement Part |
| Application | Excavator Diesel Engine System |
| MOQ | 1 Piece |
| 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 ZAX70-5A 729923-51310 Fuel Pump is widely used in:
Excavator Maintenance & Repair
Suitable for:
- Hitachi excavator repair
- Engine fuel system maintenance
- Construction machinery servicing
- Equipment overhaul
Construction Industry
Applied in:
- Building construction
- Earthmoving projects
- Infrastructure development
- General excavation operations
Mining & Heavy Equipment
Suitable for:
- Quarry operations
- Material handling
- Heavy-duty excavation environments
Machinery Parts Distribution
Ideal for:
- Excavator repair workshops
- Construction machinery dealers
- Spare parts wholesalers
- Equipment maintenance companies
4. Why Choose Hongtengda?
Professional Excavator Parts Supplier
Guangzhou Hongtengda Engineering Machinery Co., Ltd. specializes in construction machinery spare parts with more than 25 years of industry experience.
We supply various excavator components including:
- Engine parts
- Fuel system components
- Hydraulic parts
- Electrical components
- Excavator replacement parts
Accurate Part Matching
To ensure customers receive the correct components, we provide:
✓ Machine model verification
✓ Engine model confirmation
✓ Part number checking
✓ Product photos before shipment
Reducing purchasing risks and improving maintenance efficiency.
Global Export Service
Hongtengda supports customers worldwide with:
- Single-piece orders
- Wholesale purchasing
- Distributor cooperation
- Long-term supply solutions
Available shipping methods:
- Sea freight
- Air freight
- DHL
- FedEx
- TNT
- EMS
5. Product Quality Assurance
Before shipment, each high-pressure diesel fuel pump is carefully inspected.
Inspection includes:
- Product appearance
- Part number accuracy
- Component condition
- Packaging protection
Detailed product images are provided to customers before shipment for confirmation.
