Yanmar 4TNV84 Diesel Engine Fuel Pump 729649-51320 High-Precision Excavator Engine Fuel Pump Parts
The 729921-51360 is an electronically controlled fuel injection pump for the Yanmar 4TNV98 diesel engine. As a core component of the fuel system, it is responsible for precisely controlling fuel pressure, injection timing, and injection quantity. Through electronic control technology, it achieves efficient combustion, improving engine power output and operational stability.
When the original fuel pump experiences problems such as insufficient fuel supply, difficulty starting, reduced power, increased fuel consumption, or fluctuating operation, replacing it with the 729921-51360 can effectively restore fuel supply performance, improve engine operating conditions, and enhance equipment reliability.
4TNV98 Engine Electronically Controlled Diesel Pump Specifications
| Product Name |
Diesel Fuel Injection Pump |
| Product Type |
Electronically Controlled Fuel Injection Pump |
| Part Number |
729921-51360 |
| Fuel System |
Electronic Fuel Injection System |
| Combustion Method |
Direct Injection |
| Minimum Order Quantity |
1 piece |
| Payment Method |
Western Union, T/T |
| Shipping Method |
UPS/DHL/EMS/TNT/FedEx |
Applicable Models: Yanmar 4TNV98, 4TNV98T
Replaceable Part Numbers: 729914-51300, 729914-51320, 729914-51310, 729932-51400, 729923-51310, 729932-51460, 729933-51330, 729933-51340, 729940-51420
Features and Advantages
Precise Electronic Fuel Injection: Intelligently adjusts fuel supply, improving combustion efficiency and power performance.
Stable Power Output: Optimizes injection pressure and timing, improving issues such as difficulty starting and insufficient power.
Fuel Savings: Improves fuel atomization, reduces energy consumption, and enhances fuel economy.
High-Strength and Durable Design: Wear-resistant materials and precision machining ensure it can withstand long-term high-load operating conditions.
In-situ replacement installation: Matches the Yanmar 4TNV98 engine, easy installation, reduced commissioning costs.
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
| Engine Rebuild Kit |
Turbochargers |
Engine Diesel Pumps |
Engine Controllers (ECU) |
| Cylinder Blocks |
Cylinder Heads |
Water Pumps |
Injectors |
| Starter Motors |
Filters |
Other Engine Accessories |
Excavator Hydraulic Pumps |
| Swivel Components |
Distributor Valves |
Travel Motor Assemblies |
Chassis Components and Other Accessories |
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 Engine Fuel 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.
Q6: What are the structural differences between the 729921-51360 and the mechanical 4TNV98 diesel pump?
A6: The 729921-51360 is an electronically controlled fuel injection pump. While retaining the plunger fuel supply structure, it uses an electronic actuator to replace the traditional mechanical speed control mechanism. The ECU controls the position of the fuel rack, achieving more precise fuel injection quantity and speed adjustment.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories.
• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.
