The Mishimoto Engine Coolant Thermostat is a high-quality part designed specifically for automatic transmissions. Made by Mishimoto Automotive, this thermostat is designed to regulate the temperature of the engine coolant to ensure optimal performance. With the manufacturer part number MMTS-S4-00L, this thermostat is compatible with a variety of vehicles and is an essential component for maintaining the engine cooling system in peak condition. Whether you are looking to replace a worn-out thermostat or upgrade to a more reliable option, the Mishimoto Engine Coolant Thermostat is a dependable choice for car enthusiasts and mechanics alike. Brand new