This FAE 35640 coolant temperature warning light switch is designed to monitor the engine's coolant temperature and activate the warning light on your dashboard when it reaches critical levels. Proper functioning of this switch is essential for preventing engine overheating and potential damage. Manufactured by FAE, a reputable brand in automotive components, this switch is built to meet stringent quality standards. It provides reliable performance and accurate temperature readings, contributing to the overall safety and efficiency of your vehicle's cooling system. Installation of the FAE 35640 switch should be performed by a qualified mechanic to ensure correct fitment and operation. Regular checks of your cooling system and its components, including this temperature switch, are recommended for optimal engine health.