Thermostat 8M0228409 is for Mercury 2.5-6hp carbureted engines. It is a 120°F thermostat. Thermostat only. Additional seals or gaskets may be required. See your owner's manual or service manual for more information.
Thermostat for select Mercury 2.5-6hp carbureted engines
Corrosion resistant stainless steel delivers increased service life
Self-cleaning design allows cooling system contaminants to flush through closing surfaces
Calibrated for proper cooling system temperature response
Easy to replace with common tools
See your owner's manual for removal of non-functioning thermostat and replacement of new thermostat