Yanmar 3TNE78 Diesel Pump 719818-51360 | Excavator Parts Mechanical Fuel Injection System
The 719818-51360 diesel fuel injector employs a mechanical fuel injection structure, ensuring stable fuel supply, durability, and reliability. It is suitable for engineering machinery, agricultural machinery, and industrial power equipment with high durability and stability requirements. Its mature structure and easy maintainability make it one of the common original equipment manufacturer (OEM) replacement parts for the 3TNE78 engine.
| Part Number |
719818-51360 |
| Type |
Diesel Injection Pump |
| Applicable Engine |
Yanmar 3TNE78 Series |
| Fuel System |
Mechanical Fuel Injection |
| Mounting Method |
Flange Mounted |
| Drive Method |
Engine Camshaft Driven |
| Replaceable Part Codes |
719818-51360, 71981851360, YM719818-51360, YM71981851360 |
Product Features and Advantages
Mechanical fuel supply, stable and reliable: Precise fuel output ensures complete engine combustion.
Original Equipment Manufacturer (OEM) specifications: Designed according to the Yanmar 3TNE78 engine fuel system, it can directly replace the original pump body.
Reliable and durable: The pump body and key components are made of high-strength materials, suitable for long-term continuous operation.
Installation and Usage Recommendations
Ensure the fuel system is clean before installation to prevent impurities from entering the pump body.
Check the injector condition simultaneously when replacing the injection pump.
Bleed the fuel system after installation.
For optimal performance, it is recommended to calibrate the fuel supply and timing.
19818-51360 3TNE78 Diesel Injection Pump Overall Appearance

Diesel Injection Pump Fuel Supply Adjustment Bolt Detail

719818-51360 Diesel Injection Pump Top View

Close-up of the rear mounting surface of the injection pump (719818-51360)

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Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Diesel Injection Pump compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Why Choose Us?
• Over 20 years of experience specializing in construction machinery, engines, and parts – with stable experience supplying mainstream brands and models.
• Extensive experience in model matching enables us to provide customers with accurate parts selection, reducing procurement risks.
• A long-term, stable, and reliable supply system ensures reliable product sourcing and meets continuous procurement needs.
• For product information or quotations, our professional team will provide you with detailed answers immediately upon receiving your request.