ACDelco 55591401 GM Original Equipment Engine Coolant Temperature Sensor

An ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicles original component. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. This original equipment engine coolant temperature sensor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.