Thermostat for Yanmar 2YM15 3YM20 3YM30 71° RO: 128990-49800

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Poseidon Marine thermostat.
Reference to OEM part number: RO: 128990-49800

Rated Temperature: 71°C

Suitable for the following Yanmar engines

  • 2YM15 (fresh water cooling)
  • 3YM20 (fresh water cooling)
  • 3YM27A
  • 3YM30

Gaskets are sold individually within our website.

The role of the thermostat is extremely important, as it is the part that regulates the temperature of the engine, by allowing cooling fluid/raw water to cool down the engine. Therefore it is suggested to be checked regularly and replaced as per the manufacturer maintenance schedule.