Walker 211-2023 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

Walker 211-2023 is a sensor-only engine coolant temperature sensor built to report real-time coolant temperature to the ECM. That signal helps the engine manage fuel delivery, ignition timing, cold-start enrichment, and cooling fan operation for consistent drivability.

Compatible With select Buick Encore, Chevrolet Trax, Chevrolet Sonic, Cadillac ELR, Chevrolet Cruze, Chevrolet Cruze Limited, Chevrolet Volt, and Saturn Astra applications, this Walker Sensor Only part number 211-2023 is a direct-fit replacement for factory-style service.

Key Features

• Engine coolant temperature sensor for ECM temperature input
• Pin terminal type with 2 terminals
• Female circular connector shape
• Sensor only; wiring harness not included
• Engineered to match OE resistance values, thermal response, and signal output
• Heat-resistant construction for exposure to coolant, vibration, and temperature swings
• Direct-fit design for straightforward replacement service

Product Line Details

Walker Sensor Only parts focus on replacement sensors that integrate with factory systems without unnecessary extras. The 211-2023 follows that approach with OE-style electrical characteristics and a direct-fit layout for service on vehicles that rely on accurate coolant temperature data.

Detailed Description

Walker Products 211-2023 engine coolant temperature sensor provides the ECM with the temperature information it uses to manage engine operation. Accurate coolant temperature input supports proper fuel injection, ignition timing, cold-start enrichment, and radiator fan control. This sensor is built to match OE specifications for resistance, thermal response, and output signal, helping maintain stable communication with the vehicle’s control system. It is a practical replacement for a failed sensor, a drivability concern, or a check engine light tied to coolant temperature data.

This part cross-references Monroe Shocks & Struts 37083 for the same application.

Common Issues This Part Can Address

• Check engine light related to coolant temperature sensor performance
• Incorrect temperature readings sent to the ECM
• Hard cold starts or poor cold-start fuel enrichment
• Cooling fan operation concerns caused by inaccurate temperature input
• Rough engine operation tied to faulty coolant temperature data

Installation Notes and Tips

• Fits 2020-2021 Buick Encore, location-engine; sensor only.
• Fits 2020-2021 Chevrolet Trax, location-engine; sensor only.
• Fits 2012-2018 Chevrolet Sonic, gold terminal pins; sensor only.
• Fits 2014-2016 Cadillac ELR, gold terminal pins; sensor only.
• Fits 2016 Chevrolet Cruze Limited, gold terminal pins; sensor only.
• Fits 2014-2015 Chevrolet Cruze, sensor only.
• Fits 2011-2015 Chevrolet Volt, location-water outlet; sensor only.
• Fits 2011-2013 Chevrolet Cruze, gold terminal pins; sensor only.
• Fits 2008 Saturn Astra, incl. O-ring; sensor only.

Verify connector style, terminal count, and sensor location before installation. Because the wiring harness is not included, reuse the existing harness connection and confirm the connector seats fully. Inspect the cooling system and related seals during replacement, especially on applications noted with an O-ring or water outlet location.

Quality Assurance

Walker Products builds this coolant temperature sensor to OE-style resistance and signal standards for reliable integration with factory electronics. Durable, heat-resistant materials are used to help the sensor withstand continuous coolant exposure and engine-bay temperature changes.