Engine Coolant Temperature Sensor – GM (12639899)

The GM Genuine Parts Engine Coolant Temperature Sensor listed here carries part number 12639899 and installs where the original was removed. It reports fluid or air temperature over the factory two-wire circuit. Catalogue application notes: Helps keep engine running at proper temperature Alerts vehicle operator of high engine temperature conditions. Verify 12639899 against your vehicle’s parts listing first; where a number has been superseded, the later release is the part supplied. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Ships from our US warehouse.