This boat motor thermostat fit for Mercury Verado 135 150 175 200 225 250 275 300 350 400HP Outboard Engines
Replaces 18-3631 892864T04 8M0174561
The thermostat opens at 143°F for ideal performance
Keeps your engine at optimal working temperature
Helps prevent overheating and engine damage
Includes thermostat, gasket, and sealing ring
Everything you need for a quick replacement
Built with corrosion-resistant, durable materials
Designed to last in harsh marine environments
Easy to install with no special tools needed
Get back on the water with confidence and ease