Standard Ignition AX439 HVAC Heater Core Temperature Sensor

Brand Standard Ignition AX439
Connector Gender Female
Connector Shape Square
Connector Type Plug In
Contents Sensor
Terminal Gender Male
Terminal Type Blade
Fits Nissan · 9 vehicles

Plug-in sensor. Square connector with blade terminals for straightforward installation.

Black finish. Clean, discreet appearance for a factory-style look.

Female connector. Single-connector design with two male blade terminals.

Cross-references Standard Ignition AX439, 5S16647 and 277234BU0A for the same application. See all 6.

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HVAC Heater Core Temperature Sensor for Nissan

Standard Ignition AX439 is an HVAC heater core temperature sensor built for accurate temperature feedback in the climate control system. It is a direct-fit replacement for select Nissan Rogue and Rogue Sport models, with a plug-in square connector and blade terminals for straightforward electrical connection.

Key Features

  • HVAC heater core temperature sensor for climate control temperature monitoring
  • Black housing with a square, plug-in female connector
  • 2 male blade terminals for the vehicle harness connection
  • Direct-fit replacement for select Nissan Rogue and Nissan Rogue Sport applications
  • Standard Ignition AX439 replacement part number for service and repair

Detailed Description

Standard Ignition AX439 is used in the HVAC system to monitor heater core temperature and provide the control module with the input needed for proper heating operation. This sensor is listed for 2014-2019 Nissan Rogue and 2017-2019 Nissan Rogue Sport, making it a focused replacement for common Nissan HVAC service needs. This part cross-references 5S16647 and 277234BU0A for the same application.

Common Issues This Sensor May Address

  • Incorrect heater core temperature readings
  • Unstable cabin heat output
  • HVAC control concerns tied to temperature feedback
  • Fault codes related to heater core temperature sensing
  • Loss of consistent heating performance in the dash climate system

Installation Notes and Tips

Verify connector style, terminal layout, and vehicle application before installation. Standard Ignition AX439 uses a female square plug-in connector with male blade terminals, so the harness should match the sensor configuration before service begins. Fits 2014-2019 Nissan Rogue, N/A. Fits 2017-2019 Nissan Rogue Sport, N/A.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. AX439 is built to match the listed application requirements for Nissan Rogue and Nissan Rogue Sport HVAC service.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2019NissanRogueN/A—
2019NissanRogue SportN/A—
2018NissanRogueN/A—
2018NissanRogue SportN/A—
2017NissanRogueN/A—
2017NissanRogue SportN/A—
2016NissanRogueN/A—
2015NissanRogueN/A—
2014NissanRogueN/A—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — AX4395S16647277234BU0AATSA158TS57566WT5875