Walker Products Engine Coolant Temperature Sensor 211-2045 for 2019-2023 Buick/Cadillac/Chevrolet 1.3L 2.0L (Encore GX, Envision, CT4, CT5)

The Walker Products Engine Coolant Temperature Sensor (part number 211-2045) is a direct-fit replacement for 2019-2023 Buick, Cadillac, Chevrolet, and GMC vehicles with 1.3L, 2.0L, and 2.7L engines. Walker Products Engine Coolant Temperature Sensors match OE performance to deliver accurate data for engine protection, fuel control, and emissions management.

Features:

• Direct-fit replacement simplifies installation and restores sensor function.
• Built to match OE specifications for signal response and thermal accuracy.
• Durable materials ensure long service life in hot, high-vibration environments.
• Enables ECM to protect engine from overheating and improve cold starts.
• Monitors engine coolant temperature to optimize fuel delivery and ignition timing.

Specifications:

Fits: 2019-2023 Buick, Cadillac, Chevrolet, and GMC models including Encore GX, Envision, CT4, CT5, CT6, XT4, XT5, XT6 and more — 1.3L, 2.0L, and 2.7L engines.

Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.

Interchanges With: Buick 55489870, Chevrolet 55489870, GMC 55489870, Cadillac 55489870

WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.