Shop Dodge Dart Thermostat. Find Dodge Dart Coolant thermostat & Engine thermostat. Explore Thermostat replacement. Order Coolant thermostat replacement. Maintaining the thermostat in your Dodge Dart is crucial for optimal engine performance; regular checks for corrosion and coolant changes can extend its lifespan. If you notice fluctuating temperatures or overheating, it's time to consider a replacement. When selecting a thermostat, consider the fail-safe option, which defaults to an open position to prevent engine damage, or a high-flow thermostat that enhances coolant flow. High-quality materials, such as stainless steel, ensure durability, while proper installation, including gasket alignment and housing cleaning, ensures function without leaks. Shop with us for a range of thermostats tailored to your Dart's specifications and keep your ride running smoothly.