3051408 4915398 Water Pump for NTA855 NT855 Diesel Engine Excavator Engine Parts
The JISION 3051408 / 4915398 Engine Water Pump is a heavy-duty replacement cooling system component designed for compatible NTA855 and NT855 diesel engine applications used in excavators, construction machinery and other heavy equipment. The water pump plays an essential role in the engine cooling ...
Water Pump for NTA855 NT855 Diesel Engine
,Excavator Engine Parts Water Pump
,Diesel Engine Water Pump with Warranty
The JISION 3051408 / 4915398 Engine Water Pump is a heavy-duty replacement cooling system component designed for compatible NTA855 and NT855 diesel engine applications used in excavators, construction machinery and other heavy equipment.
The water pump plays an essential role in the engine cooling system by circulating coolant through the engine and radiator. Proper coolant circulation helps maintain a stable operating temperature and protects critical engine components from excessive heat.
Manufactured with a durable cast housing, precision pulley assembly, high-efficiency impeller and reliable sealing structure, the 3051408 water pump is designed for dependable cooling performance under demanding working conditions.
It provides a practical replacement solution for worn, leaking or damaged water pumps during engine maintenance, cooling-system repair and diesel engine overhaul.
Key Features
- Part Number 3051408 / 4915398 – Convenient identification for replacement and parts sourcing.
- For NTA855 / NT855 Engines – Designed for compatible heavy-duty diesel engine applications.
- Efficient Coolant Circulation – Helps maintain stable engine operating temperature.
- Durable Cast Housing – Heavy-duty construction for demanding machinery applications.
- Precision Pulley Design – Designed for smooth and stable belt-driven operation.
- High-Efficiency Impeller – Supports reliable coolant circulation through the engine cooling system.
- Reliable Sealing Structure – Designed to help minimize coolant leakage during normal operation.
- Precision Machined Mounting Surfaces – Supports secure installation and proper sealing.
- Gasket Compatibility – Designed for correct sealing when installed with the appropriate gasket.
- Heavy Equipment Application – Suitable for compatible excavators and other construction machinery.
Product Specifications
| Item | Details |
|---|---|
| Product Name | Engine Water Pump |
| Part Number | 3051408 / 4915398 |
| Engine Model | NTA855 / NT855 |
| Product Type | Water Pump / Coolant Pump |
| Application | Diesel Engine Cooling System |
| Equipment Type | Excavator / Construction Machinery / Heavy Equipment |
| Housing Material | Heavy-Duty Cast Metal |
| Drive Type | Belt / Pulley Driven |
| Installation | Engine Cooling System |
| Condition | New |
| Brand | JISION |
| Quality Inspection | Available Before Shipment |
Compatible Engine Applications
Designed for compatible:
NTA855 • NT855 Diesel Engines
These engine families are used in a variety of heavy-duty equipment. Exact water pump configurations can vary depending on the engine specification, equipment model, CPL and engine serial number.
For accurate fitment, please verify the 3051408 / 4915398 part number and compare the original pump's mounting structure, pulley and coolant ports before ordering.
Water Pump Function
The engine water pump is a critical component of the liquid cooling system. During engine operation, it continuously circulates coolant between the engine and radiator.
Proper circulation helps:
Transfer Engine Heat • Maintain Stable Operating Temperature • Support Radiator Cooling • Reduce Localized Overheating • Protect Internal Engine Components
A worn or malfunctioning water pump can reduce cooling efficiency and may eventually contribute to engine overheating.
Heavy-Duty Construction
The JISION 3051408 NTA855 Water Pump is designed for demanding diesel engine applications and incorporates important structural components including:
Cast Metal Housing • Pulley Assembly • Impeller • Bearings • Shaft • Sealing Components • Precision Mounting Surfaces
The robust construction is suitable for heavy machinery operating under continuous vibration, high engine temperatures and demanding workloads.
Reliable Cooling Performance
Efficient coolant circulation is essential for maintaining the operating temperature of a heavy-duty diesel engine.
The pump's internal impeller is designed to move coolant through the cooling circuit while the pulley transfers rotational power from the engine belt system.
Correct installation and belt adjustment help ensure:
Stable Coolant Flow · Smooth Pump Rotation · Reliable Cooling · Reduced Vibration · Consistent Engine Temperature
Common Replacement Situations
Water pump replacement may be required after inspection identifies symptoms such as:
- Coolant leaking around the pump
- Engine overheating
- Abnormal bearing noise
- Excessive pulley movement
- Damaged or corroded impeller
- Worn shaft or bearing
- Failed mechanical seal
- Cracked or damaged pump housing
- Reduced coolant circulation
Because overheating can have several causes, the radiator, thermostat, cooling fan, belts, hoses and coolant level should also be inspected before replacing the pump.
Installation Recommendations
For reliable operation, we recommend:
- Clean the mounting surface before installation
- Use the correct gasket or sealing components
- Check all coolant hoses and connections
- Inspect the drive belt and pulley condition
- Use the correct coolant specification
- Refill and bleed the cooling system properly
- Check for leaks after installation
- Verify normal engine operating temperature
Professional installation is recommended for heavy-duty diesel engine applications.
Product Advantages
The JISION 3051408 / 4915398 Water Pump focuses on the requirements of construction machinery cooling systems:
Efficient Cooling · Durable Cast Housing · Precision Pulley · Reliable Sealing · Stable Operation · Accurate Fitment · Heavy-Duty Construction · Long Service Performance
It is suitable for professional engine repair, cooling-system maintenance and diesel engine overhaul projects.
Applications
Suitable for compatible NTA855 / NT855 engines used in:
Excavators • Construction Machinery • Mining Equipment • Industrial Equipment • Generator Sets • Heavy-Duty Machinery
Typical operating environments include:
Construction • Mining • Quarrying • Earthmoving • Infrastructure • Industrial Operations • Heavy Equipment Maintenance
Why Choose JISION?
JISION supplies replacement components for excavators, diesel engines and heavy construction machinery.
Our engine cooling product range includes:
Water Pumps • Thermostats • Cooling Fans • Fan Drives • Pulleys • Radiator Components • Gaskets • Engine Cooling Parts
For the 3051408 / 4915398 Water Pump, we focus on:
Reliable Cooling Performance · Durable Construction · Precision Fitment · Quality Sealing · Stable Operation · Quality Inspection · Secure Export Packaging
Suitable for engine repair workshops, construction companies, mining operators, equipment owners, machinery dealers and aftermarket spare-parts distributors.
Buyer Notice
To ensure correct compatibility, please provide:
- Part number: 3051408 / 4915398
- Engine model: NTA855 / NT855
- Engine serial number (ESN)
- CPL number, if available
- Equipment model
- Photos of the original water pump
- Pulley specifications
- Mounting and coolant-port dimensions, if required
We can help compare the specifications before shipment to reduce compatibility issues.
SEO Meta Description
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