[Reference Number] Manufacturer Part Number: 1511077 12651113 12638836 Function: The automotive coolant thermostat is crucial for regulating engine temperature, preventing overheating, improving fuel efficiency, reducing wear on engine components, ensuring proper heater , and providing vital coolant temperature information to the engine control unit. Material: This automotive coolant thermostat boasts reliability and durability. Our engine coolant thermostat housing assembly is made of metal. Professional manufacturing processes ensure stable performance and long-lasting use. Product Features: This automotive coolant thermostat effectively controls engine temperature by regulating coolant flow to improve cooling efficiency, protect engine performance, and ensure smooth driving. Warm Reminder: To ensure you receive the correct product, please verify that your part number matches the one in the product description. If you have any questions about our products, please feel free to contact us!