Thermostat for Yanmar 4LHA 4LH 71° RO: 121850-49811

Poseidon Marine thermostat.
Reference to OEM part number: RO: 121850-49811

Rated Temperature: 71°C

Suitable for the following Yanmar engines

• 4LHA-DTE, -DTP, -DTZE, -DTZP, -HTE, -HTP,

          -HTZE, -HTZP, -STE, -STP, -STZE, -STZP

• 4LH-DTE, -DTZ, -HT, -HTE, -HTZ, -HTZAY,

           -STE, -TE, -UT

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.