HomeHVAC > SensorsStandard Ignition AX424 HVAC Heater Core Temperature Sensor
Part #: AX424

Standard Ignition AX424 HVAC Heater Core Temperature Sensor

3 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Acura, RDX
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HVAC Heater Core Temperature Sensor for Acura RDX

Standard Ignition AX424 is an HVAC heater core temperature sensor built for direct replacement service on select Acura RDX models. It uses a square plug-in female connector with male pin terminals for a straightforward electrical connection in the heater core temperature circuit.

Key Features

  • HVAC heater core temperature sensor for climate control system monitoring
  • Fits 2016-2018 Acura RDX
  • Square female connector with plug-in design
  • 2 male pin terminals for secure circuit contact
  • Direct replacement part from Standard Ignition
  • Part number AX424 for catalog and search reference

Product Details

Standard Ignition AX424 is intended for vehicles that use a heater core temperature sensor in the HVAC system to monitor temperature conditions and support proper climate control operation. The connector design includes one female square plug-in connector and two male pin terminals, matching the listed application for 2016, 2017, and 2018 Acura RDX models. If you are searching for an Acura RDX heater core temperature sensor or a Standard Ignition AX424 replacement, this part provides the specified electrical interface for the application.

This part cross-references 80560T5AJ01 and TS57551 for the same application.

Common Issues This Part May Address

  • Inaccurate heater core temperature signal to the HVAC control system
  • Intermittent climate control temperature response
  • Fault codes related to heater core temperature sensing
  • Unstable cabin heat regulation on Acura RDX models
  • Electrical connection problems at the sensor interface

Installation Notes and Tips

Verify connector shape, terminal style, and vehicle application before installation. For best results, compare the original sensor to Standard Ignition AX424 and confirm the plug-in square connector and two-pin terminal layout match the existing harness. Fits 2016-2018 Acura RDX, N/A.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. AX424 is cataloged as an HVAC heater core temperature sensor for the listed Acura RDX applications and should be matched to the vehicle’s original connector and sensor configuration before installation.

BrandStandard Ignition
Part NumberAX424
Connector GenderFemale
Connector Quantity1
Connector ShapeSquare
Connector TypePlug in
ContentsSensor
Terminal GenderMale
Terminal Quantity2
Terminal TypePins

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2018AcuraRDXN/A
2017AcuraRDXN/A
2016AcuraRDXN/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:

80560T5AJ01ATSA349AX424TS57551WT5860

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