Description: GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle's original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Description: Helps keep engine timing and fuel injection running in sync Helps provide proper alignment, positioning, and spacing for easy installation Synchronizes engine valves and pistons for excellent engine performance Manufactured to GM OE specification for fit, form, and function

Description: Express, savana. 6l90. Auto Trans Revolution Sensor. 1st Design. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle