Explore Mazda RX7 Thermostats & Mazda RX7 Thermostat Replacement. Find Mazda RX7 Coolant Thermostat Price. Discover Mazda RX7 Bypass Valve Cooling System. Maintaining your Mazda RX7's thermostat is crucial for optimal engine performance, ensuring it opens and closes at the correct temperatures. Signs you might need a replacement include overheating or underheating, indicating a malfunctioning thermostat. To extend its lifespan, regularly check coolant levels and flush the system as recommended. When selecting a replacement, choose from OEM equivalents or high-performance aftermarket options, each offering unique benefits like improved durability or enhanced temperature control. For installation, always use high-quality gaskets to prevent leaks and consider a professional mechanic's help for precise fitting, maximizing the efficiency of your RX7's cooling system and driving experience. Shop with us to find the perfect thermostat that meets your Mazda's specifications and elevate your vehicle's functionality.