729914-51310 Applicable To Yanmar 4TNV98/94 Engine Diesel Pump Assembly 729924-51300 729927-51420
The 729932-51400 fuel injection pump is a core component of the Yanmar 4TNV98 engine's combustion system, used to precisely inject high-pressure diesel fuel into the combustion chamber. This model of injection pump features accurate injection control and stable fuel pressure output, significantly improving engine combustion efficiency and power performance. Its precise structure and high wear resistance allow for stable operation in high-temperature, high-pressure, and dusty/vibrating environments, making it suitable for long-term use.
4TNV98 Engine Direct Injection Diesel Pump Specifications
| Product Name |
4TNV98 Engine Fuel Injection Pump |
| Type |
Fuel Injection Pump / High-Pressure Injection Pump |
| Part Number |
729932-51400 |
| Fuel Type |
Diesel |
| Minimum Order Quantity |
1 piece |
| Payment Method |
Western Union, T/T |
| Shipping Method |
UPS/DHL/EMS/TNT/FedEx |
Replaceable Part Numbers: 729948-51350, 729992-51310,729929-51310
Features and Advantages
Precise Fuel Injection: Improves combustion efficiency and power output
Compatible with 4TNV98 Engines: High compatibility and strong stability
Wear and Corrosion Resistance: Extends service life and adapts to harsh operating conditions
Precision Structure: Stable and controllable fuel injection quantity and pressure
Easy Maintenance: Convenient disassembly and assembly, reducing maintenance 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 Engine 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.
Q6: 729932-51400 Direct Injection Diesel Pump with Yanmar 4TNV98 What are the differences between the electronically controlled diesel pumps 729921-51360 and 729932-51400?
A6: Both are suitable for the fuel system of the Yanmar 4TNV98 series engines. The main difference lies in their control methods.
The 729932-51400 is a mechanical direct injection diesel pump, using a mechanical governor to control the fuel supply. Fuel injection is achieved through plunger pressurization, resulting in a simple, reliable, and easy-to-maintain structure.
The 729921-51360 is an electronically controlled fuel injection pump. It adds an electronic actuator to the traditional plunger pump, allowing the ECU to adjust the fuel supply in real time based on engine operating conditions, achieving more precise injection control and more stable power output.
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.