Find Engine Coolant Temperature Sensor & Sensor Location. Order Coolant Temperature Sensor Connector. Explore Engine Coolant Temperature Gauge. Maintaining your vehicle's Coolant Temperature Sending Switch is crucial for ensuring accurate temperature readings on your gauge. Regularly check for corrosion or wiring issues, which can lead to inaccurate readings, and consider replacement if you notice fluctuations or a dead gauge. When selecting a new switch, opt for one compatible with your car's model and engine type, choosing from brass or plastic units with varying resistance values tailored for specific gauge types. High-quality materials offer longevity and reliability. For installation, a clean connection and proper grounding are essential for optimal performance, ensuring your purchase from our extensive online inventory translates into a seamless integration with your vehicle's cooling system. Keep your engine's temperature in check with the right sending switch, available with the convenience of doorstep delivery.