Standard Ignition TX281 Engine Coolant Temperature Sensor - Front

Engine Coolant Temperature Sensor Overview

Standard Ignition TX281 is a direct-fit engine coolant temperature sensor for select GM vehicles. It is built for proper fit, form, and function, with an OE-style design that supports straightforward replacement on applications such as Cadillac CT5, Chevrolet Camaro, and GMC Canyon.

This part cross-references ACDelco 12650595 for the same application.

Key Features

• Direct-fit OE replacement for the engine coolant temperature sensor location
• Bolt-on attachment method for secure installation
• Female connector with oval plug-in design
• 2-pin male terminals for the vehicle harness interface
• High-quality materials built to withstand demanding engine bay conditions
• Extensively tested for reliability during operation

Detailed Description

The Standard Ignition TX281 coolant temperature sensor is engineered to monitor engine coolant temperature and relay that information to the vehicle control system. Accurate temperature input is important for fuel delivery, cooling fan operation, and overall engine management. This OE replacement sensor is made to match the original fit and connection style, helping maintain proper electrical contact and dependable performance. It is a practical replacement choice for vehicles including Cadillac CT6, Cadillac XT5, Chevrolet Blazer, Chevrolet Camaro, Chevrolet Colorado, GMC Acadia, and GMC Canyon.

Fitment

• Fits 2020-2021 Cadillac CT5, located on cylinder head.
• Fits 2020-2021 Cadillac XT6.
• Fits 2021 Chevrolet Blazer, radiator; on lower radiator.
• Fits 2021 GMC Canyon.
• Fits 2016-2020 Cadillac CT6.
• Fits 2017-2020 Cadillac XT5.
• Fits 2019-2020 Chevrolet Blazer.
• Fits 2016-2020 Chevrolet Camaro.
• Fits 2017-2020 GMC Acadia.
• Fits 2017-2020 GMC Canyon, front; located on engine block.
• Fits 2018-2019 Buick LaCrosse.
• Fits 2016-2019 Cadillac ATS.
• Fits 2018-2019 Cadillac CTS.
• Fits 2017-2019 Chevrolet Colorado, front; located on engine block.
• Fits 2017 Buick LaCrosse, engine block.
• Fits 2016-2017 Cadillac CTS, front; located on engine block.

Common Issues This Sensor May Address

• Incorrect coolant temperature readings on the dash or scan tool
• Cooling fan operation that does not match engine temperature
• Hard starting, rough running, or poor warm-up behavior related to temperature input
• Check engine light concerns tied to coolant temperature sensor faults
• Intermittent sensor signal caused by worn connector fit or internal sensor failure

Installation Notes and Tips

Verify the sensor location before installation, since fitment varies by vehicle and may be on the cylinder head, radiator, or engine block. Confirm the connector shape, terminal style, and mounting method match the original part before replacement. On applications such as Chevrolet Blazer, GMC Canyon, and Cadillac CT5, use the listed position notes to identify the correct sensor location.

Quality Assurance

Standard Ignition manufactures this TX281 sensor with complete quality control throughout the production process. The part is tested for reliability and built from materials selected to handle extreme operating conditions in the cooling system environment.