Walker 211-2025 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

Walker 211-2025 is a sensor-only engine coolant temperature sensor built to report cooling system temperature to the ECM in real time. It is a direct-fit replacement for select Buick, Cadillac, Chevrolet, and GMC applications, including Buick Regal Sportback, Cadillac CT5, Cadillac CT6, Cadillac XT5, Cadillac XT6, Chevrolet Blazer, Chevrolet Camaro, Chevrolet Colorado, GMC Acadia, and GMC Canyon.

Walker Products Sensor Only parts are focused on OE-style fit and signal accuracy for factory engine management systems. The 211-2025 uses a pin terminal design, an oblong connector shape, a 2-terminal female connector, and no wiring harness included.

Key Features

• Engine coolant temperature sensor for ECM temperature input
• OE-style resistance values, thermal response, and signal output
• Direct-fit replacement for factory sensor locations
• Heat-resistant construction for coolant and temperature cycling
• Sensor only design with no wiring harness included
• Connector shape: oblong; terminal type: pin; terminal quantity: 2; connector gender: female

Detailed Description

Walker 211-2025 is engineered to provide accurate coolant temperature data so the ECM can manage fuel injection, ignition timing, cold start enrichment, and cooling fan operation. That temperature feedback is critical for stable drivability, fuel economy, and emissions control. This part cross-references Standard Ignition TX281 for the same application.

As part of Walker’s Sensor Only line, this coolant temperature sensor is built for straightforward replacement service on vehicles such as the Chevrolet Camaro, Cadillac CTS, and GMC Canyon when the original sensor has failed or is sending incorrect readings. The design matches factory expectations for electrical response and connector fit, helping restore proper engine management behavior without modification.

Common Issues It May Solve

• Check engine light related to coolant temperature sensor performance
• Hard cold starts or extended warm-up behavior
• Incorrect fuel mixture caused by inaccurate temperature input
• Cooling fan operation that does not match engine temperature
• Rough idle or drivability concerns tied to temperature signal errors

Installation Notes and Tips

Verify connector shape, terminal count, and sensor location before installation. This part is sensor only and does not include a wiring harness. Fitment notes indicate O-ring inclusion for the listed applications, and the sensor installs as a direct replacement with no modifications required.

Fits 2018-2020 Buick Regal Sportback, N/A. Fits 2020 Cadillac CT5, N/A. Fits 2016-2020 Cadillac CT6, N/A. Fits 2017-2020 Cadillac XT5, N/A. Fits 2020 Cadillac XT6, N/A. Fits 2019-2020 Chevrolet Blazer, N/A. Fits 2016-2020 Chevrolet Camaro, N/A. Fits 2017-2020 Chevrolet Colorado, N/A. Fits 2017-2020 GMC Acadia, N/A. Fits 2017-2020 GMC Canyon, N/A. Fits 2017-2019 Buick LaCrosse, N/A. Fits 2016-2019 Cadillac ATS, N/A. Fits 2016-2019 Cadillac CTS, N/A.

Quality Assurance

Walker Products designs this coolant temperature sensor to match OE specifications for resistance, thermal response, and signal output, with durable materials selected for exposure to coolant, vibration, and temperature swings. Part number 211-2025 is built for reliable integration with factory engine control systems.