Thermostat Kit For Mercury 3 & 4 Cyl 70 75 80 90 100 115 125HP 803061T1 18-3569

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Thermostat kit for Mercury

Reference to:

Mercury Marine: 803061T 1, 803061T1, Sierra: 18-3569, GLM: 13124



Fits the following models:

Mercury Marine & Mariner Outboard Motors:

100 hp (4-Cylinder)(2-stroke); Serial # USA 0B209468 & Newer / Belgium 9523034 & Newer)

115 hp (4-Cylinder)(2-stroke); Serial # USA 0C100000 & Newer / Belgium 9559771 & Newer)

125 hp (4-Cylinder)(2-stroke); Serial # USA 0D283222 & Newer / Belgium 9793577 & Newer)

70 hp (3-Cylinder)(2-stroke); Serial # USA 0A996142 & Newer / Belgium 9483121 & Newer)

75 hp (3-Cylinder)(2-stroke); Serial # USA 0C222000 & Newer / Belgium 9589039 & Newer)

80 hp (3-Cylinder)(2-stroke); Serial # USA 0A996142 & Newer / Belgium 9483121 & Newer)

90 hp (3-Cylinder)(2-stroke); Serial # USA 0A996142 & Newer / Belgium 9483121 & Newer)



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.