Yanmar 3TNV84 Fuel Transfer Pump | Diesel Engine Fuel Pump Replacement
The 3TNV84 fuel pump provides a stable low-pressure fuel supply to the Yanmar 3TNV84 diesel engine, ensuring the injection pump receives a continuous and sufficient amount of fuel, thus guaranteeing smooth engine start-up and stable operation. This fuel pump features a compact design, strong sealing, and is constructed from highly wear-resistant materials, maintaining stable performance in vibrating, high-temperature, and dusty environments. With standard installation dimensions, it can directly replace original equipment manufacturer (OEM) parts and is suitable for construction machinery, agricultural machinery, mini excavators, and other equipment.
Features and Advantages
• Stable fuel delivery, ensuring smooth operation of the injection pump and engine;
• Highly wear-resistant pump body and piston design, extending service life;
• Excellent sealing, effectively preventing oil leakage and insufficient fuel return;
• Precise installation dimensions, seamless replacement of the OEM fuel pump;
• Adaptable to harsh operating conditions, reliable performance, and low 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.