2018 Buick Regal TourX Eng: 2.0L L4;. 2019 Buick Regal TourX Eng: 2.0L L4;. 2020 Buick Regal TourX Eng: 2.0L L4;. Engine Coolant Temperature Sensor. Notes: Eng: 2.0L L4;. IMPORTANT: To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table.
