Excavator Diesel Injection Pump 729613-51380 is suitable for Yanmar 4D84-3 / 4TNE88 diesel engines
Price:
Negotiable
MOQ:
1unit
Delivery Time:
3 to 5 business days
Product Description
Excavator Diesel Injection Pump 729613-51380 is suitable for Yanmar 4D84-3 / 4TNE88 diesel engines
The 729613-51380 diesel injection pump is suitable for Yanmar 4D84-3 / 4TNE88 series diesel engines. It is a core component of the fuel system, responsible for high-pressure delivery and precise distribution of diesel fuel to each cylinder. Manufactured to original equipment manufacturer (OEM) specifications, this product can directly replace the original injection pump, restoring engine power output and fuel economy.
Technical Parameters
| Number of Cylinders | 4 |
| Fuel Type | Diesel |
| Fuel Supply Control | Plunger Metering |
Features and Advantages
Precise Fuel Supply — High-pressure injection control ensures complete fuel atomization and improves combustion efficiency.
Power Restoration — Improves issues such as difficulty starting, insufficient power, and abnormal fuel consumption.
Durable Structure — Precision-machined pump body and internal plunger structure, wear-resistant and long-lasting.
Stable and Reliable — Ensures smooth engine operation, reducing vibration and black smoke.
| Company Scope | |
| Engine Parts | Cylinder block, crankshaft, connecting rod, piston, cylinder head, camshaft, valves, valve springs, timing chain/belt, high-pressure oil pump, injectors, common rail, turbocharger, intercooler, exhaust manifold, water pump, radiator, thermostat, oil pump |
| Sealing Kits | Cylinder oil seals, hydraulic oil seals, O-rings, oil seal rings, gaskets, sealing pads |
| Hydraulic systems | Main hydraulic pump, gear pump, variable displacement pump, boom cylinder, stick cylinder, bucket cylinder, multi-way valve, relief valve, travel motor, swing motor, hydraulic oil tank, hydraulic oil filter, piping |
| Electronic components | ECU, control module, pressure, temperature, position sensors, battery, starter, generator, wiring harness, relay, fuse, switch |
| Undercarriage components | Track frame, tensioning device, track shoes, drive wheel, idler wheel, track roller, track support roller, travel reducer, gear set, bearing, oil seals |
| Filters | Oil filter, diesel filter, hydraulic filter, air filter, fuel filter |
| Wear parts | Bucket teeth, side teeth, cutter blades, pins, bushings, O-rings, oil seals, hydraulic seals |
| Rubber components | Rubber tracks, rubber seals, rubber shock absorbers, rubber piping |
| Gear components | Travel gears, reduction gears, slewing gear rings, gear sets |
| Cabin components | Control levers, control handles, instrument panel, display screen, alarm system, air conditioning system, seat, seat belts, pedals |
| Working devices | Boom, stick, bucket, bucket teeth, side teeth, cutter blade, reinforcing plates, connecting rod assemblies, pins, bushings |
Product Showcase



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 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.
• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.
Similar Products
Related Videos
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Minshun Machinery Equipment Co., Ltd.
Location
at 1026-1028, 10th Street, Zhuji (International) Machinery Parts City, Tianhe, Guangzhou, Guangdong Province, China
Contact Person
Tommy Rong



