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Standard Ignition AX431 HVAC Heater Core Temperature Sensor
| Brand | Standard Ignition AX431 |
|---|---|
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Square |
| Connector Type | Plug in |
| Contents | Sensor |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Pin |
| Fits | Volkswagen · 28 vehicles |
Plug-in connector. Simple sensor replacement with a square female connector.
Pin terminals. Two male pins provide a secure electrical connection.
Sensor only. Contents include the sensor for a straightforward HVAC repair.
Cross-references Standard Ignition AX431, 5Q0907543A and ATSA351 for the same application. See all 5.
HVAC Heater Core Temperature Sensor for Volkswagen
Standard Ignition AX431 is an HVAC heater core temperature sensor built for direct-fit service on select Volkswagen models. It uses a square, plug-in female connector with male pin terminals for a straightforward electrical connection in the climate control system.
Key Features
- HVAC heater core temperature sensor for climate system temperature monitoring
- Female connector with 1 square plug-in connector
- 2 male pin terminals for OE-style electrical interface
- Sensor-only content for replacement of the original unit
- Direct application coverage for select Volkswagen e-Golf, Golf, Golf Alltrack, Golf SportWagen, and GTI models
Detailed Description
Standard Ignition AX431 is an HVAC heater core temperature sensor used in the heating and air conditioning control system to monitor heater core temperature and support proper climate regulation. The connector design, terminal style, and sensor configuration are matched for service on compatible Volkswagen applications, including 2015-2019 Volkswagen e-Golf, 2015-2019 Volkswagen Golf R, 2015-2019 Volkswagen Golf SportWagen, 2015-2019 Volkswagen GTI, 2017-2019 Volkswagen Golf Alltrack, and 2015-2018 Volkswagen Golf. It also fits 2016 Volkswagen Golf with climate control. This part cross-references 5Q0907543A and TS57558 for the same application. Standard Ignition AX431 is a practical replacement when servicing the HVAC temperature sensing circuit on Volkswagen Golf and e-Golf platforms.
What It Helps Address
- Inconsistent cabin temperature control
- Incorrect heater core temperature readings
- HVAC system faults related to temperature sensing
- Climate control performance issues on Volkswagen Golf and e-Golf models
- Replacement of a worn or failed heater core temperature sensor
Installation Notes and Tips
Verify connector shape, terminal style, and vehicle application before installation. This sensor uses a plug-in square connector with male pin terminals, so the harness connection should match the original layout. Confirm fitment for the exact year and model, especially on the 2016 Volkswagen Golf with climate control.
Quality Assurance
Standard Ignition is a recognized aftermarket source for electrical and engine management components, and AX431 is built to match the specified connector and terminal configuration for the listed Volkswagen applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Notes |
|---|---|---|---|---|---|---|
| 2019 | Volkswagen | e-Golf | — | — | — | — |
| 2019 | Volkswagen | Golf Alltrack | — | — | — | — |
| 2019 | Volkswagen | Golf R | — | — | — | — |
| 2019 | Volkswagen | Golf SportWagen | — | — | — | — |
| 2019 | Volkswagen | GTI | — | — | — | — |
| 2018 | Volkswagen | e-Golf | — | — | — | — |
| 2018 | Volkswagen | Golf | 1.8L | L4 | — | — |
| 2018 | Volkswagen | Golf Alltrack | — | — | — | — |
| 2018 | Volkswagen | Golf R | — | — | — | — |
| 2018 | Volkswagen | Golf SportWagen | — | — | — | — |
| 2018 | Volkswagen | GTI | — | — | — | — |
| 2017 | Volkswagen | e-Golf | — | — | — | — |
| 2017 | Volkswagen | Golf | 1.8L | L4 | — | — |
| 2017 | Volkswagen | Golf Alltrack | — | — | — | — |
| 2017 | Volkswagen | Golf R | — | — | — | — |
| 2017 | Volkswagen | Golf SportWagen | — | — | — | — |
| 2017 | Volkswagen | GTI | — | — | — | — |
| 2016 | Volkswagen | e-Golf | — | — | — | — |
| 2016 | Volkswagen | Golf | — | — | — | w/ Climate Control |
| 2016 | Volkswagen | Golf R | — | — | — | — |
| 2016 | Volkswagen | Golf SportWagen | — | — | — | — |
| 2016 | Volkswagen | GTI | — | — | — | — |
| 2015 | Volkswagen | e-Golf | — | — | — | — |
| 2015 | Volkswagen | Golf | 1.8L | L4 | — | — |
| 2015 | Volkswagen | Golf | 2.0L | L4 | DIESEL | — |
| 2015 | Volkswagen | Golf R | — | — | — | — |
| 2015 | Volkswagen | Golf SportWagen | — | — | — | — |
| 2015 | Volkswagen | GTI | — | — | — | — |
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