Standard Ignition AX377 Ambient Air Temperature Sensor

Name: Standard Ignition AX377 Ambient Air Temperature Sensor
Brand: Standard Ignition
SKU: FBHK-AX377
Price: 36.07 USD
Availability: InStock

⚙️ 111 vehicles fit this part

🔍

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

$36.07Free 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: Audi and Volkswagen, A3 Quattro, A4, A4 Quattro, A5 Quattro, A8 Quattro, Q3, Q5, Q7, S3, S4, S5, SQ5, Jetta, Q3 Quattro, S8, A3, A5, allroad, and RS5

🔄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? Click here for all Ambient Air Temperature Sensor options

Reliable Ambient Air Temperature Sensor for Audi and Volkswagen

The Standard Ignition AX377 Ambient Air Temperature Sensor is designed to provide accurate temperature readings for your vehicle's HVAC system. Compatible with a wide range of Audi and Volkswagen models, this sensor helps maintain optimal climate control performance.

Direct replacement for OEM ambient air temperature sensors
Compatible with Audi A3, A4, A5, A8, Q3, Q5, Q7, RS5, S3, S4, S5, S8, SQ5, and Volkswagen Jetta and allroad models
Ensures precise temperature measurement for HVAC system efficiency
Durable construction for long-lasting performance
Part number AX377 for easy identification and fitment

Product Details and Compatibility

The Standard Ignition AX377 Ambient Air Temperature Sensor is engineered to meet the specifications of original equipment for select Audi and Volkswagen vehicles. This sensor monitors the outside air temperature and sends accurate data to the vehicle’s climate control system, enabling it to adjust heating and cooling functions accordingly. It is compatible with Audi models including the A3, A3 Quattro, A4, A4 Quattro, A5, A5 Quattro, A8 Quattro, allroad, Q3, Q3 Quattro, Q5, Q7, RS5, S3, S4, S5, S8, and SQ5, as well as Volkswagen Jetta and allroad models. The AX377 sensor is designed for straightforward installation and reliable operation under various driving conditions.

Common Applications and Problem Resolution

Restores accurate ambient temperature readings for HVAC systems
Resolves issues with incorrect cabin temperature regulation
Eliminates HVAC system errors related to faulty temperature input
Prevents climate control system from running inefficiently
Helps avoid sensor-related warning lights on the dashboard

Installation Notes and Tips

Installation of the Standard Ignition AX377 sensor requires locating the existing ambient air temperature sensor, typically mounted near the front grille or bumper area. Disconnect the vehicle battery before removal to prevent electrical issues. Carefully unplug the sensor connector and remove the sensor from its mounting point. Install the new sensor by securing it in place and reconnecting the electrical connector. Reconnect the battery and verify proper operation of the HVAC system. Consult the vehicle’s service manual for specific instructions and torque specifications.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The AX377 Ambient Air Temperature Sensor undergoes rigorous quality control testing to maintain consistent accuracy and longevity. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use conditions.

Brand	Standard Ignition
Part Number	AX377
Attachment Method	Push On
Color	Black
Connector Gender	Female
Connector Shape	Oval
Connector Type	Plug In
Contents	Sensor
Mounting Bracket(s) Included	No
Terminal Gender	Male
Terminal Type	Blade
Wiring Harness Included	No

This part fits 111 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position
2023	Audi	A3 Quattro			N/A
2023	Audi	A4 Quattro			N/A
2023	Audi	A5 Quattro			N/A
2023	Audi	A8 Quattro			N/A
2022	Audi	A3 Quattro			N/A
2022	Audi	A4 Quattro			N/A
2022	Audi	A5 Quattro			N/A
2022	Audi	A8 Quattro			N/A
2021	Audi	A4 Quattro			N/A
2021	Audi	A5 Quattro			N/A
2021	Audi	A8 Quattro			N/A
2020	Audi	A3 Quattro			N/A
2020	Audi	A4 Quattro			N/A
2020	Audi	A5 Quattro			N/A
2020	Audi	A8 Quattro			N/A
2019	Audi	A3 Quattro			N/A
2019	Audi	A4			N/A
2019	Audi	A4 Quattro			N/A
2019	Audi	A5 Quattro			N/A
2019	Audi	A8 Quattro			N/A
2019	Audi	Q3			N/A
2019	Audi	Q5			N/A
2019	Audi	Q7			N/A
2019	Audi	S3			N/A
2019	Audi	S4			N/A
2019	Audi	S5			N/A
2019	Audi	SQ5			N/A
2019	Volkswagen	Jetta	1.4L	L4	N/A
2019	Volkswagen	Jetta	2.0L	L4	N/A
2018	Audi	A3 Quattro			N/A
2018	Audi	A4			N/A
2018	Audi	A4 Quattro			N/A
2018	Audi	A5 Quattro			N/A
2018	Audi	A8 Quattro			N/A
2018	Audi	Q3			N/A
2018	Audi	Q3 Quattro			N/A
2018	Audi	Q5			N/A
2018	Audi	Q7			N/A
2018	Audi	S3			N/A
2018	Audi	S4			N/A
2018	Audi	S5			N/A
2018	Audi	S8			N/A
2018	Audi	SQ5			N/A
2018	Volkswagen	Jetta	1.4L	L4	N/A
2018	Volkswagen	Jetta	1.8L	L4	N/A
2018	Volkswagen	Jetta	2.0L	L4	N/A
2017	Audi	A3 Quattro			N/A
2017	Audi	A4			N/A
2017	Audi	A4 Quattro			N/A
2017	Audi	A5 Quattro			N/A
2017	Audi	A8 Quattro	4.0L	V8	N/A
2017	Audi	A8 Quattro	3.0L	V6	N/A
2017	Audi	Q3			N/A
2017	Audi	Q3 Quattro			N/A
2017	Audi	Q5			N/A
2017	Audi	Q7			N/A
2017	Audi	S3			N/A
2017	Audi	S5			N/A
2017	Audi	S8			N/A
2017	Audi	SQ5			N/A
2017	Volkswagen	Jetta	1.4L	L4	N/A
2017	Volkswagen	Jetta	1.8L	L4	N/A
2017	Volkswagen	Jetta	2.0L	L4	N/A
2016	Audi	A3	1.8L	L4	N/A
2016	Audi	A3	2.0L	L4	N/A
2016	Audi	A3 Quattro	2.0L	L4	N/A
2016	Audi	A4			N/A
2016	Audi	A4 Quattro			N/A
2016	Audi	A5			N/A
2016	Audi	A5 Quattro			N/A
2016	Audi	A8 Quattro			N/A
2016	Audi	allroad			N/A
2016	Audi	Q5			N/A
2016	Audi	S3			N/A
2016	Audi	S4			N/A
2016	Audi	S5			N/A
2016	Audi	S8			N/A
2016	Audi	SQ5			N/A
2016	Volkswagen	Jetta	1.4L	L4	N/A
2016	Volkswagen	Jetta	1.8L	L4	N/A
2016	Volkswagen	Jetta	2.0L	L4	N/A
2015	Audi	A3	2.0L	L4	N/A
2015	Audi	A3	1.8L	L4	N/A
2015	Audi	A3 Quattro	2.0L	L4	N/A
2015	Audi	A4			N/A
2015	Audi	A4 Quattro			N/A
2015	Audi	A5			N/A
2015	Audi	A5 Quattro			N/A
2015	Audi	A8 Quattro			N/A
2015	Audi	allroad			N/A
2015	Audi	Q5			N/A
2015	Audi	RS5			N/A
2015	Audi	S3			N/A
2015	Audi	S4			N/A
2015	Audi	S5			N/A
2015	Audi	S8			N/A
2015	Audi	SQ5			N/A
2015	Volkswagen	Jetta	1.4L	L4	N/A
2015	Volkswagen	Jetta	1.8L	L4	N/A
2015	Volkswagen	Jetta	2.0L	L4	N/A
2014	Audi	A4			N/A
2014	Audi	A4 Quattro			N/A
2014	Audi	A5			N/A
2014	Audi	A5 Quattro			N/A
2014	Audi	allroad			N/A
2014	Audi	Q5			N/A
2014	Audi	RS5			N/A
2014	Audi	S4			N/A
2014	Audi	S5			N/A
2014	Audi	SQ5			N/A
2013	Audi	Q5			N/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:

5S11873760188Z0820535A9A7820535ATSA154TS57504V10-72-1506WT5813

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