ACDelco 85123912 Professional Engine Coolant Temperature Sensor

The ACDelco 85123912 Professional Engine Coolant Temperature Sensor is a replacement engine coolant temperature sensor (also called a coolant temp sensor or ECT sensor). It monitors engine temperature and sends that signal to the engine control module.

Key Points:

• Professional Engine Coolant Temperature Sensor from ACDelco
• Engine temperature signal helps the engine control module adjust the air/fuel mixture and ignition timing
• Replacement part for the ignition and engine fuel management systems

Replacing a worn or failing coolant temperature sensor helps the engine management system get accurate temperature readings.