HomeHVAC > SensorsStandard Ignition AX239 HVAC Heater Core Temperature Sensor
Part #: AX239

Standard Ignition AX239 HVAC Heater Core Temperature Sensor

⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura, MDX
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Overview of Standard Ignition HVAC Heater Core Temperature Sensor AX239

The Standard Ignition HVAC Heater Core Temperature Sensor AX239 is designed specifically for Acura MDX models. This sensor plays a critical role in monitoring the temperature of the heater core to ensure optimal HVAC system performance and passenger comfort.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Type: Plug in
  • Terminal Gender: Male
  • Terminal Quantity: 2
  • Terminal Type: Blade
  • Contents: Sensor only

Detailed Product Description

The AX239 sensor from Standard Ignition is engineered to provide accurate temperature readings of the heater core in Acura MDX vehicles. Featuring a female plug-in connector with a single connection point, it ensures a secure and reliable electrical interface. The sensor terminals are male blade types, with two terminals designed for efficient signal transmission. This configuration supports precise HVAC system regulation, helping maintain consistent cabin temperature and preventing overheating or underperformance of the heater core.

Common Applications and Issues Addressed

  • Inaccurate cabin temperature readings
  • HVAC system failing to regulate heat properly
  • Heater core overheating or insufficient heating
  • Intermittent HVAC sensor faults or error codes
  • Replacement for faulty or damaged heater core temperature sensors in Acura MDX

Installation Notes and Tips

  • Ensure the vehicle is powered off before sensor replacement
  • Disconnect the female plug-in connector carefully to avoid damage
  • Verify the two male blade terminals are clean and free of corrosion
  • Securely connect the sensor to prevent loose connections
  • Test HVAC system operation after installation to confirm proper function

Quality Assurance and Warranty

Standard Ignition parts, including the AX239 HVAC Heater Core Temperature Sensor, are manufactured to meet or exceed OEM specifications for Acura MDX vehicles. This sensor undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details are provided by Standard Ignition and typically cover defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberAX239
Connector GenderFemale
Connector TypePlug In
ContentsSensor
Terminal GenderMale
Terminal TypeBlade

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2009AcuraMDXN/A
2008AcuraMDXN/A
2007AcuraMDXN/A
2006AcuraMDXN/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:

5S907171-27547657180560SHJA01ATSA103TS57366WT5675

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