Description
729428-42004 Water Pump
This water pump is a core cooling component for Yanmar diesel engines.
It circulates coolant continuously to dissipate heat and maintain stable operating temperature, preventing engine overheating under heavy load on construction sites.
Reliable coolant flow protects internal engine parts and extends service life.
Compatible Engines
Fits Yanmar diesel engine: 3TNE84, 4TNV84, 4TNE88, 4TNV88
Interchange part number: 72942842004
Key Features
- Precision impeller design for steady coolant circulation
- Sealed structure to reduce leakage risk
- Wear-resistant bearing assembly for long runtime
- Exact mounting layout for straightforward replacement installation
- Full functional testing before shipment
Application
Widely used on mini excavators, skid steer loaders and other compact machinery equipped with the above Yanmar engines.
It is an ideal replacement part to fix overheating issues and restore normal engine performance for equipment maintenance and overhaul.






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