Description
Product Overview
The 3190678 / 319-0675 / 319-0678 / 3190677 Diesel Fuel Injection Pump is a high-performance fuel system component designed for Caterpillar C7 and C9 diesel engines.
As a key component of the engine fuel injection system, the diesel pump delivers fuel at high pressure to the injectors, ensuring accurate fuel supply, efficient combustion, stable engine performance, and reliable power output.
This fuel injection pump is widely used in Caterpillar construction machinery, mining equipment, and heavy-duty diesel applications. Manufactured in the USA with reliable quality standards, it provides a dependable replacement solution for engine maintenance and repair.
Hongtengda specializes in supplying construction machinery spare parts, including engine components, fuel system parts, hydraulic parts, and electrical components for global customers.
1. Key Features & Advantages
● Compatible with Caterpillar C7 / C9 Engines
Designed for Caterpillar diesel engines:
- CAT C7 Engine
- CAT C9 Engine
Providing accurate compatibility and reliable installation.
● High-Pressure Fuel Injection Performance
The fuel injection pump ensures:
- Stable fuel pressure output
- Accurate fuel delivery
- Efficient combustion
- Improved engine response
Helping maintain reliable engine operation under heavy workloads.
● Reliable Performance for Heavy Equipment
Designed for demanding applications with advantages including:
- Strong wear resistance
- Stable pressure control
- Reliable sealing performance
- Long service life
Suitable for construction machinery, mining equipment, and industrial diesel engines.
● Restore Engine Power & Efficiency
A damaged fuel injection pump may cause:
- Difficult engine starting
- Insufficient power output
- Poor fuel efficiency
- Unstable engine operation
Replacing the diesel pump helps restore normal fuel system performance and reduce equipment downtime.
● Multiple Reference Part Numbers
Compatible reference numbers include:
- 3190678
- 319-0675
- 319-0678
- 3190677
Customers can confirm the correct part according to their engine model and part number.
● Professional Inspection Before Shipment
Before delivery, Hongtengda provides:
✓ Part number verification
✓ Product condition inspection
✓ Detailed product photos
✓ Customer confirmation before shipment
Ensuring accurate product delivery.
2. Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Diesel Fuel Injection Pump |
| Reference Part Numbers | 3190678 / 319-0675 / 319-0678 / 3190677 |
| Applicable Engine | Caterpillar C7 / C9 |
| Product Type | High Pressure Fuel Injection Pump |
| Product Category | Engine Fuel System Parts |
| Brand Compatibility | Caterpillar |
| Brand Name | HTD |
| Place of Origin | USA |
| Condition | Original / Replacement Part |
| Application | Construction Machinery Diesel Engine |
| 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 Caterpillar C7/C9 Diesel Fuel Injection Pump is widely used in:
Construction Machinery
Suitable for:
- Excavators
- Wheel loaders
- Heavy construction equipment
- Earthmoving machinery
Mining Equipment
Applied in:
- Mining operations
- Quarry equipment
- Heavy-duty machinery
- Continuous working environments
Engine Repair & Maintenance
Commonly purchased by:
- Diesel engine repair shops
- Construction machinery service centers
- Spare parts distributors
- Equipment maintenance companies
Industrial Diesel Applications
Suitable for equipment requiring Caterpillar C7/C9 engine fuel system components.
4. Why Choose Hongtengda?
Professional Construction Machinery Parts Supplier
Guangzhou Hongtengda Engineering Machinery Co., Ltd. has more than 25 years of experience in excavator and heavy equipment spare parts supply.
We specialize in supplying:
- Engine parts
- Fuel injection system components
- Hydraulic components
- Electrical parts
- Excavator replacement parts
Accurate Parts Matching Service
To help customers avoid incorrect purchases, we provide:
✓ Engine model confirmation
✓ Part number verification
✓ Product compatibility checking
✓ Detailed product photos before shipment
Global Export Capability
Hongtengda supports customers worldwide with:
- Single-piece orders
- Wholesale purchasing
- Distributor cooperation
- Long-term supply solutions
Transportation options include:
- Sea freight
- Air freight
- DHL
- FedEx
- TNT
- EMS
5. Product Quality Assurance
Before shipment, every diesel fuel injection pump is inspected carefully.
Quality inspection includes:
- Product appearance check
- Part number confirmation
- Component condition inspection
- Packaging safety verification
Detailed pictures are provided to customers before shipment for final confirmation.
6. FAQ
Q1: Which engines does this diesel pump fit?
This fuel injection pump is designed for:
- Caterpillar C7 Engine
- Caterpillar C9 Engine
Q2: What are the compatible part numbers?
Reference numbers include:
- 3190678
- 319-0675
- 319-0678
- 3190677
Q3: Is this product suitable for Caterpillar construction machinery?
Yes. It is widely used for Caterpillar equipment equipped with C7 and C9 diesel engines.
Q4: What is the minimum order quantity?
The MOQ is 1 piece. Single replacement orders and bulk orders are accepted.
Q5: How do you ensure the correct product is shipped?
We verify the part number, inspect the product condition, and send detailed photos to customers before shipment.
7. Maintenance Tips
To extend the service life of the diesel fuel injection pump:
- Use clean and qualified diesel fuel.
- Replace fuel filters regularly.
- Prevent water and impurities from entering the fuel system.
- Check fuel lines and connectors periodically.
- Perform regular engine fuel system maintenance.
About Hongtengda
Guangzhou Hongtengda Engineering Machinery Co., Ltd. is a professional supplier of excavator spare parts and construction machinery components from China.
With more than 25 years of industry experience, we provide reliable replacement solutions for global customers, including:
- Excavator repair companies
- Construction machinery distributors
- Mining equipment suppliers
- Engineering contractors
Our product categories include:
- Hydraulic parts
- Engine components
- Fuel system parts
- Electrical components
- Excavator replacement parts
We are committed to providing:
Reliable Quality · Competitive Pricing · Fast Delivery · Professional Service
Hongtengda is your trusted partner for sourcing Caterpillar engine parts and construction machinery components from China.











