Genuine Yanmar impeller pump, also known as a raw water pump or seawater pump, suitable for various engines from the Yanmar 3JH2, 4JH and 4JH2 series.

The impeller pump circulates seawater through the engine’s cooling system. A correctly functioning pump is essential for maintaining sufficient cooling-water flow and preventing the engine from overheating.

This is a complete genuine Yanmar OEM pump.

Suitable for the Following Yanmar Engines

Yanmar 3JH2 series:

3JH2E
3JH2BE
3JH2-TE
3JH2-TBE

Yanmar 4JH series:

4JH-E
4JH-TE
4JH-HTE
4JH-DTE

Yanmar 4JH2 series:

4JH2E
4JH2BE
4JH2-TE
4JH2-TBE
4JH2-HTE
4JH2-HTBE
4JH2-DTE
4JH2-DTBE
4JH2-UTE
4JH2-UTBE

Product Specifications

Product: Complete impeller pump
Alternative names: Raw water pump, seawater pump
Application: Seawater cooling system
Brand: Yanmar
Quality: Genuine OEM
Part number: 129573-42502
Suitable for: Yanmar 3JH2, 4JH and 4JH2 series
Condition: New

Important

Always check the part number of your current pump and the exact engine model before ordering.

A new mounting gasket may be required when installing the pump.

4JH E

Yanmar Impeller Pump 129573-42502 – 3JH2, 4JH and 4JH2

Yanmar Impeller Pump Wear Plate – 129470-42540