/live/media/SI/SI_AX644_Fro.jpg)
Standard Ignition AX644 Ambient Air Temperature Sensor
| Brand | Standard Ignition AX644 |
|---|---|
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Attachment Method | Clip |
| Color/Finish | Black |
| Connector Quantity | 1 |
| Connector Shape | Polygon |
| Connector Type | Plug in |
| Contents | Sensor |
| Port Quantity | 1 |
| Terminal Type | Blade |
| Fits | Ford · 8 vehicles |
Plug-in design. Clip attachment makes installation straightforward.
2-terminal sensor. Uses a single plug-in connector with blade terminals.
Ambient air sensing. Measures outside air temperature for HVAC control.
Cross-references ATSA395, M2DZ12A647A and TS7674 for the same application. See all 4.
Ambient Air Temperature Sensor for Ford Mirror Applications
Standard Ignition AX644 is an ambient air temperature sensor built for direct replacement in select Ford mirror-mounted applications. It uses a 2-terminal, plug-in connector design with a female connector, male blade terminals, and a clip attachment method for a secure fit.
- Ambient air temperature sensor for HVAC-related temperature input
- 2-terminal design with 1 connector and 1 port
- Female connector / male blade terminal configuration
- Plug-in connector with polygon shape
- Black finish
- Clip attachment method
- Fits 2023-2024 Ford F-250 Super Duty, in driver side mirror
- Fits 2023-2024 Ford F-350 Super Duty, in driver side mirror
- Fits 2024 Ford Ranger, in driver side mirror
- Fits 2021-2023 Ford Bronco, in driver side mirror
Detailed Product Overview
Standard Ignition AX644 is an ambient air temperature sensor used to provide outside temperature input for the vehicle’s HVAC and display systems. The sensor’s compact black housing, clip-on mounting style, and plug-in electrical connection support a clean replacement in mirror-mounted locations on Ford trucks and SUVs. This part number, AX644, is listed for Ford F-250 Super Duty, Ford F-350 Super Duty, Ford Ranger, and Ford Bronco applications where the sensor is located in the driver side mirror.
This part cross-references Monroe Shocks & Struts (e.g., ATSA395, M2DZ12A647A) for the same application.
What It Helps Address
- Incorrect outside temperature readings on the dash or climate display
- HVAC behavior affected by a faulty ambient temperature input
- Broken or damaged mirror-mounted sensor housing
- Intermittent temperature signal caused by connector or terminal wear
- Replacement needs after corrosion or impact at the driver side mirror
Installation Notes and Tips
Verify the original sensor location before ordering, since this application mounts in the driver side mirror. Match the 2-terminal plug-in connector, female connector, and blade terminal layout to the original part before installation. Confirm vehicle year and model coverage for AX644, especially on 2021-2024 Ford Bronco, 2023-2024 Ford F-250 Super Duty, 2023-2024 Ford F-350 Super Duty, and 2024 Ford Ranger.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for electrical and HVAC service parts. AX644 is built to match the listed connector style, attachment method, and application-specific fitment for a direct replacement approach.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2024 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | In Driver Side Mirror |
| 2024 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | In Driver Side Mirror |
| 2024 | Ford | Ranger | — | — | N/A | In Driver Side Mirror |
| 2023 | Ford | Bronco | — | — | N/A | In Driver Side Mirror |
| 2023 | Ford | F-250 Super Duty | 6.7L | V8 | N/A | In Driver Side Mirror |
| 2023 | Ford | F-350 Super Duty | 6.7L | V8 | N/A | In Driver Side Mirror |
| 2022 | Ford | Bronco | — | — | N/A | In Driver Side Mirror |
| 2021 | Ford | Bronco | — | — | N/A | In Driver Side Mirror |
| No rows match your filter. | ||||||