Walker 211-1129 Engine Coolant Temperature Sensor

Walker 211-1129 Engine Coolant Temperature Sensor

Walker Products 211-1129 is an engine coolant temperature sensor for select Chevrolet Sonic, Cruze, Cruze Limited, and Trax applications, plus Buick Encore and Chevrolet Trax radiator sensor applications listed below. It is built to meet or exceed OEM standards and specifications, with engineering and technical support backed by Walker Products’ long-running aftermarket experience.

Key Features

• Engine coolant temperature sensor for cooling system and engine management monitoring
• Walker Products fuel system and sensor line from Walker Products
• OE-style replacement for select Buick Encore and Chevrolet applications
• Application-specific fitment for radiator and engine locations as listed
• Part number 211-1129 for accurate ordering and catalog lookup

Product Details

Walker Products 211-1129 is part of the Walker Products engine sensor lineup, a product line supported by in-house manufacturing, product management, and engineering resources. The brand has supplied automotive fuel system and engine management components since 1946 and operates with ISO 9001/IATF16949 quality systems. This coolant temperature sensor is listed for 2020-2021 Buick Encore radiator sensor applications, 2020-2021 Chevrolet Trax radiator sensor applications, and additional Chevrolet Sonic, Cruze, Cruze Limited, and Trax coverage shown in the fitment data. If you are searching for a Walker 211-1129 coolant temperature sensor for Chevrolet Cruze or a Walker 211-1129 engine coolant temperature sensor for Buick Encore, this part number is the correct reference point.

This part cross-references Standard Ignition TX229 and NTK EF0037 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Illuminated engine management or temperature-related warning lights
• Rough cold-start or warm-up behavior tied to coolant data
• Cooling fan control issues caused by inaccurate sensor input
• Driveability concerns related to engine temperature reporting

Installation Notes and Tips

Verify the connector style, terminal condition, and sensor location before installation. Fitment includes radiator-mounted and engine-mounted applications, with notes such as sensor only and tin terminal pins on certain vehicles. Confirm the exact year, make, model, and position against the vehicle listing before ordering. For 2013-2020 Chevrolet Sonic, 2013-2019 Buick Encore, 2015-2019 Chevrolet Trax, 2011-2015 Chevrolet Cruze, 2013-2015 Chevrolet Cruze, and 2016 Chevrolet Cruze Limited, match the listed application details carefully.

Quality Assurance

Walker Products states that its engine sensors are manufactured to meet or exceed OEM standards and specifications. The company supports its parts with product management, engineering, application data, instruction sheets, and technical support.