Key Features John Deere DMU210328 coolant temperature sensor for monitoring engine coolant temperature within the cooling system. Provides accurate temperature readings to the engine management system to support appropriate cooling and ignition timing decisions. Not designed for new-design implementations; intended for legacy John Deere installations. For newer designs, use the recommended replacement: 703326 - Temperature Sensor. Product Details Part Number: DMU210328 Product Type: Coolant Temperature Sensor Brand: John Deere Description: Monitors coolant temperature within the engine cooling system. Design Note: NOT FOR NEW DESIGN Recommended Alternative for New Designs: 703326 - Temperature Sensor Compatibility Intended for legacy John Deere engines and cooling systems that specify DMU210328. Not compatible with newer designs; for those applications, use 703326 - Temperature Sensor.