Purchase Ford Courier Thermostat Gauge & Ford Courier Bleeder Valve Coolant System. Shop Ford Courier Thermostat Replacement. Maintaining the thermostat in your Ford Courier is crucial for regulating the engine's temperature and ensuring peak performance. Be vigilant for signs of wear such as fluctuating temperatures or overheating, which signal the need for a replacement. To extend its lifespan, use only high-quality coolants and regularly flush your cooling system. When selecting a new thermostat, opt for one that matches your Courier's specifications—there are traditional wax-pellet types and newer electronic versions that offer more precision. For installation, ensure the thermostat is correctly seated and the gasket is properly sealed to prevent leaks, enhancing your vehicle's reliability and your online shopping experience.