Thermostat for Yanmar 1GM 2GM 3GM 3HM 3QM30 42° RO: 105582-49200 124233-49250

  • €24,50
  • Save €5,40
Tax included. Shipping calculated at checkout.


Poseidon Marine thermostat.
Reference to OEM part number: RO: 105582-49200 124233-49250 181130-49200

Rated Temperature: 42°C

Suitable for the following Yanmar engines


  • 1GM, 2GM, 3GM
  • 3HM
  • 1GM10, 2GM10, 3GM30
  • SB, YSE, YSB
  • 3QM30

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.