Standard Ignition TX268 Engine Coolant Temperature Sensor

Brand Standard Ignition TX268
Attachment Method Bolt On
Connector Gender Female
Connector Shape Round
Connector Type Plug In
Terminal Gender Male
Terminal Type Pin
Fits Buick, Chevrolet, GMC, and Cadillac · 134 vehicles

OE direct replacement. Direct-fit design ensures proper fit, form, and function.

Bolt-on installation. Plug-in connector helps make installation trouble-free.

Quality-tested construction. Built to stringent standards for reliable performance.

Cross-references Four Seasons 74004, HOLSTEIN 2CTS0187 and 5S13415 for the same application. See all 10.

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Engine Coolant Temperature Sensor for OE Fit

Standard Ignition TX268 is a direct-fit engine coolant temperature sensor built for accurate replacement on a wide range of GM vehicles. It is designed for proper fit, form, and function, with a connector and terminal layout that supports straightforward installation on the listed applications.

Key Features

  • Direct-fit OE replacement for the engine coolant temperature sensor
  • Bolt-on attachment method for secure mounting
  • Female round plug-in connector with 1 connector and 2 male pin terminals
  • Built with durable materials for harsh engine bay conditions
  • Manufactured to stringent quality standards and tested for performance
  • Compatible with applications such as Chevrolet Malibu, GMC Canyon, and Cadillac CTS

Detailed Description

The Standard Ignition TX268 engine coolant temperature sensor is engineered to restore accurate coolant temperature input to the engine management system. On vehicles such as the Chevrolet Malibu, GMC Canyon, and Cadillac CTS, a properly functioning sensor helps the powertrain control module monitor engine temperature and respond correctly to operating conditions. This OE-style replacement is built for the listed fitments and uses a bolt-on design with a round female connector for a clean, factory-style installation. This part cross-references Four Seasons 74004 for the same application.

What It Helps Address

  • Incorrect coolant temperature readings
  • Illuminated check engine light related to temperature sensor faults
  • Hard starting or rough running caused by inaccurate temperature input
  • Cooling fan operation concerns tied to sensor signal issues
  • Driveability problems from a failing engine coolant temperature sensor

Installation Notes and Tips

  • Verify the connector shape, terminal count, and mounting style before installation.
  • Confirm the sensor location on your vehicle, as listed applications may mount on the water outlet, thermostat housing, or water pump.
  • Inspect the connector and wiring for corrosion or damage before connecting the new sensor.
  • Use the exact vehicle application listing for fitment on Chevrolet Malibu, GMC Canyon, Cadillac CTS, and other supported models.

Quality Assurance

Standard Ignition manufactures this TX268 sensor to stringent quality standards in a certified facility and validates it through extensive testing for proper performance and reliability. Premium components and durable materials are used to support long service life in demanding engine conditions.

This part fits 134 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2025CadillacCT4Sedan3.6LV6N/A—
2024CadillacCT4Sedan3.6LV6N/A—
2023CadillacCT4Sedan3.6LV6N/A—
2023ChevroletCamaro—2.0LL4N/ALocated On Water Outlet
2022CadillacCT4Sedan3.6LV6N/A—
2022ChevroletCamaro—2.0LL4N/ALocated On Water Outlet
2022ChevroletColorado—2.5LL4N/A—
2022ChevroletMalibu—2.0LL4N/AThermostat Housing
2022GMCCanyon—2.5LL4N/A—
2021ChevroletBlazer—2.5LL4N/ALocated On Water Pump
2021ChevroletCamaro—2.0LL4N/ALocated On Water Outlet
2021ChevroletColorado—2.5LL4N/A—
2021ChevroletMalibu—2.0LL4N/AThermostat Housing
2021GMCAcadia—2.5LL4N/A—
2021GMCCanyon—2.5LL4N/A—
2020BuickEnvision———N/AOn Water Outlet
2020BuickRegal Sportback—2.0LL4N/A—
2020BuickRegal TourX—2.0LL4N/A—
2020ChevroletBlazer—2.5LL4N/A—
2020ChevroletCamaro—2.0LL4N/AOn Water Outlet
2020ChevroletColorado—2.5LL4N/A—
2020ChevroletEquinox—2.0LL4N/A—
2020ChevroletMalibu—2.0LL4N/A—
2020GMCAcadia—2.0LL4N/A—
2020GMCAcadia—2.5LL4N/A—
2020GMCCanyon—2.5LL4N/AOn Water Outlet
2020GMCCanyon—2.8LL4N/AOn Water Outlet
2020GMCTerrain—2.0LL4N/A—
2019BuickCascada———N/AOn Water Outlet
2019BuickEnvision———N/AOn Water Outlet
2019BuickLaCrosse—2.5LL4N/A—
2019BuickRegal Sportback—2.0LL4N/A—
2019BuickRegal TourX—2.0LL4N/A—
2019CadillacATS—2.0LL4N/A—
2019CadillacCT6—2.0LL4N/AOn Water Outlet
2019CadillacCTS—2.0LL4N/A—
2019CadillacXTS———N/AOn Water Outlet
2019ChevroletBlazer—2.5LL4N/A—
2019ChevroletCamaro—2.0LL4N/AOn Water Outlet
2019ChevroletColorado—2.5LL4N/AOn Water Outlet
2019ChevroletColorado—2.8LL4N/AOn Water Outlet
2019ChevroletEquinox—2.0LL4N/AOn Water Outlet
2019ChevroletImpala—2.5LL4N/AOn Water Outlet
2019ChevroletMalibu—2.0LL4N/A—
2019ChevroletMalibu—1.8LL4N/AThermostat Housing
2019ChevroletTraverse—2.0LL4N/AOn Water Outlet
2019GMCAcadia—2.5LL4N/AOn Water Outlet
2019GMCCanyon—2.5LL4N/AOn Water Outlet
2019GMCCanyon—2.8LL4N/AOn Water Outlet
2019GMCTerrain—2.0LL4N/A—
2018BuickCascada———N/AOn Water Outlet
2018BuickEnvision———N/AOn Water Outlet
2018BuickLaCrosse—2.5LL4N/A—
2018BuickRegal Sportback—2.0LL4N/A—
2018BuickRegal TourX—2.0LL4N/A—
2018CadillacATS—2.0LL4N/A—
2018CadillacATS—3.6LV6N/AOn Water Outlet
2018CadillacCT6—2.0LL4N/A—
2018CadillacXTS———N/AOn Water Outlet
2018ChevroletCamaro—2.0LL4N/AOn Water Outlet
2018ChevroletColorado—2.5LL4N/AOn Water Outlet
2018ChevroletColorado—2.8LL4N/AOn Water Outlet
2018ChevroletEquinox—2.0LL4N/AOn Water Outlet
2018ChevroletImpala—2.5LL4N/AOn Water Outlet
2018ChevroletMalibu—2.0LL4N/A—
2018ChevroletMalibu—1.8LL4N/AThermostat Housing
2018ChevroletTraverse—2.0LL4N/AOn Water Outlet
2018GMCAcadia—2.5LL4N/A—
2018GMCCanyon—2.5LL4N/AOn Water Outlet
2018GMCCanyon—2.8LL4N/AOn Water Outlet
2018GMCTerrain—2.0LL4N/A—
2017BuickCascada———N/AOn Water Outlet
2017BuickEnvision———N/AOn Water Outlet
2017BuickRegal—2.0LL4N/AOn Water Outlet
2017CadillacATS—2.0LL4N/A—
2017CadillacATS—2.5LL4N/A—
2017CadillacATS—3.6LV6N/A—
2017CadillacCT6—2.0LL4N/AOn Water Outlet
2017CadillacCTSSedan2.0LL4N/AOn Water Outlet
2017CadillacCTSSedan3.6LV6N/AOn Water Outlet
2017CadillacXTS———N/AOn Water Outlet
2017ChevroletCamaro—2.0LL4N/AOn Water Outlet
2017ChevroletColorado—2.5LL4N/AOn Water Outlet
2017ChevroletColorado—2.8LL4N/AOn Water Outlet
2017ChevroletImpala—2.5LL4N/AOn Water Outlet
2017ChevroletMalibu—1.8LL4N/AOn Water Outlet
2017ChevroletMalibu—2.0LL4N/AOn Water Outlet
2017ChevroletS10—2.5LL4N/AOn Water Outlet
2017GMCAcadia—2.5LL4N/A—
2017GMCCanyon—2.5LL4N/AOn Water Outlet
2017GMCCanyon—2.8LL4N/AOn Water Outlet
2016BuickCascada———N/Aw/ Locating Tab; On Water Outlet
2016BuickEnvision———N/AOn Water Outlet
2016BuickRegal—2.0LL4N/AOn Water Outlet
2016CadillacATS—2.0LL4N/A—
2016CadillacATS—2.5LL4N/A—
2016CadillacATS—3.6LV6N/A—
2016CadillacCT6—2.0LL4N/AOn Water Outlet
2016CadillacCTSSedan2.0LL4N/AOn Water Outlet
2016CadillacCTSSedan3.6LV6N/AOn Water Outlet
2016CadillacXTS———N/AOn Water Outlet
2016ChevroletCamaro—2.0LL4N/AOn Water Outlet
2016ChevroletColorado—2.5LL4N/AOn Water Outlet
2016ChevroletColorado—2.8LL4N/AOn Water Outlet
2016ChevroletImpala—2.5LL4N/AOn Water Outlet
2016ChevroletMalibu—1.8LL4N/AOn Water Outlet
2016ChevroletMalibu—2.0LL4N/AOn Water Outlet
2016ChevroletMalibu Limited———N/AOn Water Outlet
2016ChevroletS10—2.5LL4N/AOn Water Outlet
2016GMCCanyon—2.5LL4N/AOn Water Outlet
2016GMCCanyon—2.8LL4N/AOn Water Outlet
2015BuickRegal—2.0LL4N/AOn Water Outlet
2015CadillacATS—2.0LL4N/AOn Water Outlet
2015CadillacATS—2.5LL4N/AOn Water Outlet
2015CadillacCTS—2.0LL4N/A—
2015CadillacCTS—3.6LV6N/A—
2015CadillacXTS———N/AOn Water Outlet
2015ChevroletColorado—2.5LL4N/AOn Water Outlet
2015ChevroletImpala—2.5LL4N/AOn Water Outlet
2015ChevroletMalibu—2.0LL4N/AOn Water Outlet
2015ChevroletMalibu—2.5LL4N/AOn Water Outlet
2015GMCCanyon—2.5LL4N/AOn Water Outlet
2014BuickRegal—2.0LL4N/AOn Water Outlet
2014CadillacATS—2.0LL4N/AOn Water Outlet
2014CadillacATS—2.5LL4N/AOn Water Outlet
2014CadillacCTS—2.0LL4N/AOn Water Outlet
2014CadillacXTS———N/AOn Water Outlet
2014ChevroletImpala—2.5LL4N/AOn Water Outlet
2014ChevroletMalibu—2.0LL4N/AOn Water Outlet
2014ChevroletMalibu—2.5LL4N/AOn Water Outlet
2013CadillacATS—2.0LL4N/AOn Water Outlet
2013CadillacATS—2.5LL4N/AOn Water Outlet
2013ChevroletMalibu—2.0LL4N/AOn Water Outlet
2013ChevroletMalibu—2.5LL4N/AOn Water Outlet
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 74004HOLSTEIN — 2CTS01875S134151263653412656444CTSA32TS5878V40-72-0632WT5278WTC1286