This FAE radiator fan thermoswitch (part code 36670) is designed to regulate the operation of your vehicle's cooling fan. It activates the fan when the engine coolant reaches a specific high temperature, preventing overheating. Engineered for reliability, this component is crucial for maintaining your engine's optimal operating temperature. A malfunctioning thermoswitch can lead to inefficient cooling, potentially causing engine damage. This part is a direct fit replacement for the original equipment, ensuring straightforward installation. Trust FAE for quality components that meet or exceed original specifications.