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OE Quality
60-Day Returns
Standard IgnitionPart #: AX643
Standard Ignition AX643 Ambient Air Temperature Sensor
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$33.95Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Mustang
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Ambient Air Temperature Sensor options
Standard Ignition AX643 Ambient Air Temperature Sensor
| Brand | Standard Ignition |
|---|---|
| Part Number | AX643 |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Attachment Method | Clip |
| Color/Finish | Black |
| Connector Quantity | 1 |
| Connector Shape | Oval |
| Connector Type | Plug |
| Contents | Sensor |
| Hardware Included | No |
| Mounting Bracket(s) Included | Yes |
| Port Quantity | 1 |
| Terminal Type | Pin |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2023 | Ford | Mustang | N/A | In Grille |
| 2022 | Ford | Mustang | N/A | In Grille |
| 2021 | Ford | Mustang | N/A | In Grille |
| 2020 | Ford | Mustang | N/A | In Grille |
| 2019 | Ford | Mustang | N/A | In Grille |
| 2018 | Ford | Mustang | N/A | In Grille |
* 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:
ATSA389DY1423TS7667WT5980
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.