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Standard Ignition AX541 A/C Evaporator Temperature SensorOE Quality 60-Day Returns
Part #: AX541

Standard Ignition AX541 A/C Evaporator Temperature Sensor

63 vehicles fit this part
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Fitment: Buick, Cadillac, Chevrolet, and GMC, Cruze, ELR, Envision, Equinox, LaCrosse, Malibu, Malibu Limited, Regal, Spark EV, SRX, Terrain, Verano, and Volt
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OE-Style A/C Evaporator Temperature Sensor

Standard Ignition AX541 is an A/C evaporator temperature sensor built for direct replacement in HVAC systems that rely on accurate evaporator temperature feedback. It supports consistent climate control performance in vehicles such as Chevrolet Equinox, GMC Terrain, Buick Envision, and Chevrolet Cruze applications.

Key Features

  • Part number AX541 for straightforward identification
  • 2-terminal design with blade terminals
  • Female connector with one plug-in connector
  • Push-in attachment method for evaporator housing installation
  • White finish with polygon connector shape
  • Sensor only; hardware not included
  • Cross-references Standard Ignition AX541 for the same application

Product Details

This A/C evaporator temperature sensor monitors evaporator temperature so the HVAC control system can manage compressor operation and help prevent evaporator freeze-up. Standard Ignition AX541 uses a 2-terminal, female connector layout with a male blade terminal interface, making it a practical replacement for vehicles that require this specific sensor style. It is a direct-fit option for many GM platforms, including Chevrolet Equinox, GMC Terrain, Buick Envision, Buick Regal, Buick Verano, Buick LaCrosse, Cadillac SRX, and Chevrolet Cruze models.

Fits 2018-2024 Chevrolet Equinox, N/A. Fits 2018-2024 GMC Terrain, N/A. Fits 2016-2020 Buick Envision, N/A. Fits 2011-2017 Buick Regal, N/A. Fits 2012-2017 Buick Verano, N/A. Fits 2010-2016 Buick LaCrosse, N/A. Fits 2014-2016 Cadillac ELR, N/A. Fits 2010-2016 Cadillac SRX, N/A. Fits 2011-2016 Chevrolet Cruze, N/A. Fits 2016 Chevrolet Malibu Limited, N/A. Fits 2014-2016 Chevrolet Spark EV, N/A. Fits 2013-2015 Chevrolet Malibu, N/A. Fits 2011 Chevrolet Volt, N/A.

Common Issues This Sensor May Address

  • Inaccurate evaporator temperature readings
  • A/C compressor cycling concerns tied to sensor feedback
  • Evaporator icing or freeze-up conditions
  • Unstable cabin cooling performance
  • HVAC fault codes related to evaporator temperature input

Installation Notes and Tips

Verify connector shape, terminal count, and push-in mounting style before installation. Inspect the evaporator housing and connector terminals for corrosion, bent blades, or damaged locking features before connecting the new sensor. Confirm vehicle application by year, make, and model, especially on Chevrolet Equinox, GMC Terrain, and Buick Envision fitments.

Quality Assurance

Standard Ignition is a recognized aftermarket source for replacement electrical and HVAC components. AX541 is built to match the listed connector and terminal configuration for the specified applications, supporting a proper service replacement on compatible GM vehicles.

BrandStandard Ignition
Part NumberAX541
Terminal Quantity2
Connector GenderFemale
Terminal GenderMale
Attachment MethodPush-in
Color/FinishWhite
Connector Quantity1
Connector ShapePolygon
Connector TypePlug in
ContentsSensor
Hardware IncludedNo
Port Quantity1
Terminal TypeBlade

This part fits 63 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024ChevroletEquinox1.5LL4N/A
2024GMCTerrain1.5LL4N/A
2023ChevroletEquinox1.5LL4N/A
2023GMCTerrain1.5LL4N/A
2022ChevroletEquinox1.5LL4N/A
2022GMCTerrain1.5LL4N/A
2021ChevroletEquinox1.5LL4N/A
2021GMCTerrain1.5LL4N/A
2020BuickEnvisionN/A
2020ChevroletEquinox1.5LL4N/A
2020GMCTerrain1.5LL4N/A
2019BuickEnvisionN/A
2019ChevroletEquinox1.5LL4N/A
2019GMCTerrain1.5LL4N/A
2018BuickEnvisionN/A
2018ChevroletEquinox1.5LL4N/A
2018GMCTerrain1.5LL4N/A
2017BuickEnvisionN/A
2017BuickRegal2.0LL4N/A
2017BuickVerano2.4LL4N/A
2016BuickEnvisionN/A
2016BuickLaCrosseN/A
2016BuickRegal2.0LL4N/A
2016BuickVerano2.0LL4N/A
2016CadillacELR1.4LL4N/A
2016CadillacSRX3.6LV6N/A
2016ChevroletCruze1.4LL4N/A
2016ChevroletMalibu Limited2.5LL4N/A
2016ChevroletSpark EVN/A
2015BuickLaCrosseN/A
2015BuickRegal2.0LL4N/A
2015BuickVerano2.0LL4N/A
2015CadillacELR1.4LL4N/A
2015CadillacSRX3.6LV6N/A
2015ChevroletCruze1.4LL4N/A
2015ChevroletMalibu2.0LL4N/A
2015ChevroletSpark EVN/A
2014BuickLaCrosseN/A
2014BuickRegal2.0LL4N/A
2014BuickVerano2.0LL4N/A
2014CadillacELR1.4LL4N/A
2014CadillacSRX3.6LV6N/A
2014ChevroletCruze1.4LL4N/A
2014ChevroletMalibu2.0LL4N/A
2014ChevroletSpark EVN/A
2013BuickLaCrosseN/A
2013BuickRegal2.0LL4N/A
2013BuickVerano2.0LL4N/A
2013CadillacSRX3.6LV6N/A
2013ChevroletCruze1.4LL4N/A
2013ChevroletMalibu2.0LL4N/A
2012BuickLaCrosseN/A
2012BuickRegal2.0LL4N/A
2012BuickVerano2.4LL4N/A
2012CadillacSRX3.6LV6N/A
2012ChevroletCruze1.4LL4N/A
2011BuickLaCrosseN/A
2011BuickRegal2.0LL4N/A
2011CadillacSRX2.8LV6N/A
2011ChevroletCruze1.4LL4N/A
2011ChevroletVolt1.4LL4N/A
2010BuickLaCrosseN/A
2010CadillacSRX2.8LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1326332515512485S13751AN0059ATSA541TS57661WT5971

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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