An ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s 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 specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.When you are looking for a match to GM Original Equipment specifications in a replacement part for your GM vehicle, trust ACDelco to get the job done. Our lineup of GM Original Equipment Fuel Injectors, Control Modules, Mass Air Flow Sensors, Oxygen Sensors, Exhaust Gas Recirculation Valves, Manifold Absolute Pressure Sensors, Throttle Position Sensors, Idle Air Control Valves, and Secondary Air Injection Reaction components will help your GM vehicle’s emission system run properly and meet the performance standards you expect from General Motors.Whether you need exact GM Original Equipment specification parts or high-quality replacement parts, you can rely on ACDelco Emission components, Fuel Injectors, and Control Modules to deliver. With our GM Original Equipment line and a select offering of Professional, premium aftermarket products, we keep your GM car, truck, or SUV running in tip-top form. Our portfolio includes: fuel injectors, control modules, mass air flow sensors, oxygen sensors, exhaust gas recirculation valves, manifold absolute pressure sensors, throttle position sensors, idle air control valves, and secondary air injection reaction components.