Coolant Temperature Sensor Replacement ECT Sensor 213-4777 12639899 OEM Grade Direct Fit for GM Cars Including Buick Enclave 2008-2017 Malibu 2008-2012 Traverse 2009-2017 Acadia 2007-2016 Saturn and More Easy Install

Engine coolant temperature sensor replacement upgrade
✔️ OE-style fit, direct replacement, easy 5-10 min install

This engine coolant temperature sensor is a direct-fit replacement that threads into the engine block or cylinder head to monitor coolant temperature. It feeds accurate data to the engine control unit to optimize ignition, fuel, and cooling fan operation on GM vehicles. Common applications include Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn and more.

✅ OE-grade replacement compatible with 213-4777 and 12639899 parts
✅ Direct fit for GM vehicles including Enclave, Malibu, Traverse, Acadia
✅ Replace part numbers 213-4777 and 12639899; no guesswork
✅ Easy 5-10 minute install with 3/4 deep socket
✅ Aftermarket replacement; ensures proper sensor readings and cooling control
✅ Be prepared for a little coolant loss when removing the old sensor

💡 What is a coolant temperature sensor used for in a car? - It reports coolant temperature to the engine computer to adjust fuel and timing - It triggers cooling fans to prevent overheating and improve efficiency - A failing sensor can cause hard starts, rough idle, or engine check light - Replacing with an OE-style sensor restores accurate readings and performance