Improved cooling efficiency for Mazda Eunos Roadster and Heater valve heater and return valve Universal replacement and maintenance NA6CE, NA8C, NB6C,

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Are you suffering from hot air constantly being blown into your car due to an old malfunctioning heater valve? This product efficiently controls the flow of coolant, stabilizing the interior temperature while improving cooling efficiency and resolving heater-related problems. From DIY enthusiasts to track-minded owners, this is the perfect repair or replacement part for anyone looking to maintain the condition of their classic car or improve its cooling system. 🔧 Main Features: Equipped with a bypass mechanism: Optimizes coolant flow. Prevents hot air from entering the vehicle when the heater is off. Effectively prevents overheating. Easy installation with a shape similar to the OEM part (some modifications may be required). Suitable for DIY maintenance. 🚘 Compatible models: Eunos Roadster NA6CE / NA8C, Mazda Roadster NB6C / NB8C. Compatible with other models if the shape and size are correct. 🎯 Recommended for: Those who want to reduce weight and improve cooling efficiency by cutting the heater. Those who are suffering from heater system problems or coolant leaks. Those who are doing a DIY Roadster repair or restoration project. Roadster enthusiasts who want to keep driving their classic cars for a long time. [Caution] *Please be sure to confirm vehicle compatibility before purchasing. *Minor modifications or adjustments may be required depending on the vehicle model. *Instruction and installation instructions are not included. *Installation may require specialized knowledge and technique, so please consult a professional. *To prevent accidents, we strongly recommend that work be performed by a shop with qualified personnel. *We recommend that only those with specialized knowledge purchase this product. *We are not responsible for any accidents during installation, installation errors, or damage caused after installation. *If requesting installation from a shop, please confirm the product details with the relevant person in charge beforehand. *As this is an imported product, please be aware that there may be minor scratches or dirt due to import. *Please check the size and installation location, and if necessary, have a professional install it. *Please note that this product is not designed for specific installations. Are you having trouble with hot air constantly being blown into your car due to an old, faulty heater valve? This product efficiently controls the flow of coolant, stabilizing the interior temperature while also helping to improve cooling efficiency and eliminate heater system problems. This is the perfect repair/replacement part for anyone, from DIY users to circuit-oriented owners, who are looking to maintain the condition of their classic cars or strengthen their cooling systems. 🔧 Main functions and features Bypass mechanism: Optimizes coolant flow When the heater is off, hot air is not sent into the car. Also effective against overheating Easy to install with a shape similar to the original (some modification may be required) DIY maintenance also available 🚘 Compatible models Eunos Roadster NA6CE / NA8C Mazda Roadster NB6C / NB8C If the shape and size are suitable, it can be used on other vehicles. 🎯 Recommended for: Those who want to reduce the heater to reduce weight and improve cooling efficiency Those who are troubled by heater system problems or coolant leaks Those who are doing a DIY Roadster repair or restoration project Roadster enthusiasts who want to keep driving their classic cars for a long time [Note] *Please be sure to check the compatibility of your vehicle before purchasing. *Minor modifications or adjustments may be required depending on the vehicle model. *Operation and installation instructions are not included. *Installation may require specialized knowledge, so please consult a professional. *To prevent accidents, we strongly recommend that you have the work done at a shop with qualified personnel. *We recommend this purchase for those with specialized knowledge. *We are not responsible for any accidents that occur during installation, installation errors, or damage that occurs after installation. *If you would like to request work from a shop, please be sure to confirm the product details with the person in charge in advance. *Please note that as this is an imported product, there is a possibility that there may be some scratches or stains that occurred during import. *Please check the size and installation location, and if necessary, we recommend having it installed by a professional.