Mercury Thermostat 59078T3 helps protect your engine by properly regulating the operating temperature. Designed for older MerCruiser inline 4- and 6-cylinder engines made by General Motors, this kit includes the thermostat and a cork gasket for a reliable seal. Easy to replace with common tools during periodic maintenance.
- For use in older MerCruiser inline 4- and 6-cylinder GM engines
- Includes 140°F thermostat and cork gasket
- Properly regulates engine operating temperature for efficiency
- Easy to install with common shop tools
- Mercury parts and accessories provide the best fit and performance
