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.
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 injection quantity and pressure
• Easy Maintenance: Convenient disassembly and assembly, reducing maintenance costs






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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: If I only know the excavator model, but can not offer parts No., what should I do?
A2: If possible, you can send us pictures of old products, name plate or the size for reference.
Q3: Can you accept sample order?
A3: Yes sure. We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q4: Do you test all your goods before delivery?
A4: Yes, we have 100% test before delivery.
Q5: How can I do if there is something wrong with the items?
A5: Our products have been professionally tested and the quality is very stable. If you really found something wrong, please contacts. We have a professional after-sales team to help you solve the problem.