Purchase Best Jeep Temp Senders & Jeep Coolant Temperature Sensors Replacement Cost. Order Jeep Coolant Temperature Sensors. Maintaining the coolant temperature sensor in your Jeep is pivotal for engine health, as it monitors coolant temperature and informs the ECU to optimize engine function. To ensure longevity, regularly check the sensor for corrosion and debris, and replace it with OEM-grade parts when the dashboard warning light activates or you notice erratic temperature readings. When selecting a replacement, opt for sensors with robust construction and precise temperature readings, compatible with your Jeep model. Proper installation is crucial, so opt for sensors that come with high-quality connectors and seals to prevent future failures. By choosing the right sensor and adhering to maintenance guidelines, you can enhance your Jeep's performance and prevent costly repairs.