HomeHVAC > SensorsStandard Ignition AX371 HVAC Heater Core Temperature Sensor
Part #: AX371

Standard Ignition AX371 HVAC Heater Core Temperature Sensor

⚙️ 7 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: Ford and Lincoln, GT, Mustang, and MKC
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Overview of Standard Ignition HVAC Heater Core Temperature Sensor AX371

The Standard Ignition HVAC Heater Core Temperature Sensor AX371 is designed to provide accurate temperature readings for the heating and ventilation system in select Ford and Lincoln vehicles. This sensor ensures optimal climate control performance by monitoring heater core temperature and relaying data to the vehicle’s HVAC system.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Shape: Rectangular
  • Connector Type: Plug in
  • Terminal Quantity: 6
  • Terminal Type: Pin

Detailed Product Description

The AX371 heater core temperature sensor from Standard Ignition features a single female rectangular plug-in connector with six pin terminals, designed for secure and reliable electrical connections. Its plug-in design simplifies installation and replacement, reducing service time. The six-pin terminal configuration supports precise signal transmission, which is critical for accurate temperature monitoring within the HVAC system. This sensor is engineered to meet the specifications required by Ford and Lincoln vehicles, including models such as the Mustang, GT, and MKC.

Compatible Vehicles and Applications

This HVAC heater core temperature sensor is compatible with various Ford and Lincoln models, specifically the Ford Mustang, Ford GT, and Lincoln MKC. It is intended for use in the HVAC system to monitor heater core temperature, enabling the climate control module to adjust heating output effectively.

  • Helps maintain consistent cabin temperature by monitoring heater core heat levels
  • Prevents HVAC system overheating or underheating issues
  • Supports proper operation of automatic climate control systems
  • Addresses heater core temperature sensor faults that can cause erratic HVAC behavior
  • Reduces risk of HVAC system malfunctions related to temperature sensing

Installation Notes and Tips

When installing the Standard Ignition AX371 sensor, ensure the vehicle’s ignition is off and the HVAC system is cool to avoid injury. The rectangular female plug-in connector should be aligned carefully to avoid bending the six pin terminals. Verify secure connection to prevent intermittent sensor signals. It is recommended to inspect the wiring harness for damage before installation. Replacement should be performed by a qualified technician familiar with Ford and Lincoln HVAC systems.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The AX371 sensor undergoes rigorous quality control testing to verify fit, form, and function. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use conditions.

BrandStandard Ignition
Part NumberAX371
Connector GenderFemale
Connector ShapeRectangular
Connector TypePlug In
Terminal TypePin

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2017FordGTN/A
2017FordMustangN/A
2017LincolnMKCN/A6 Pin
2016FordMustangN/A
2016LincolnMKCN/A6 Pin
2015FordMustangN/A
2015LincolnMKCN/A6 Pin

* 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:

ATSA341DG9Z19E616HTS57498WT5807YH1945

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