Standard Ignition AX178 Ambient Air Temperature Sensor

Name: Standard Ignition AX178 Ambient Air Temperature Sensor
Brand: Standard Ignition
SKU: FBHK-AX178
Price: 24.67 USD
Availability: InStock

⚙️ 259 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Volkswagen, Audi, and Seat, Golf, Passat, A6, A6 Quattro, S6, TT Quattro, GTI, CC, Tiguan, Eos, Q7, R8, A8 Quattro, S8, Jetta, A3, A3 Quattro, A4, A4 Quattro, A5, A5 Quattro, S4, S5, Leon, Q5, S3, TT, Golf City, Rabbit, R32, and Allroad Quattro

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Reliable Ambient Air Temperature Sensor for Audi and Volkswagen

The Standard Ignition AX178 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 and engine performance.

Direct replacement Ambient Air Temperature Sensor for precise temperature monitoring
Compatible with Audi and Volkswagen models including A3, A4, A5, A6, A8, Golf, Jetta, Passat, Q5, Q7, and more
Part number AX178 ensures exact fit and function
Durable construction for long-lasting performance
Supports proper HVAC system operation and engine management

Product Details and Compatibility

The Standard Ignition AX178 sensor is engineered to meet OEM specifications for ambient air temperature sensing. It is compatible with numerous Audi and Volkswagen vehicles such as the Audi A3 Quattro, A4 Quattro, A5 Quattro, A6 Quattro, A8 Quattro, Allroad Quattro, and Volkswagen Golf, GTI, Jetta, Passat, Tiguan, and more. This sensor plays a critical role in providing accurate outside air temperature data to the vehicle’s climate control and engine systems, ensuring efficient operation and driver comfort.

Common Applications and Problem Resolution

Corrects inaccurate or erratic outside temperature readings
Resolves HVAC system malfunctions related to temperature sensing
Prevents improper engine adjustments caused by faulty ambient temperature data
Eliminates dashboard temperature warning errors
Improves overall climate control responsiveness

Installation Notes and Tips

Ensure vehicle ignition is off before sensor replacement
Locate the ambient air temperature sensor typically near the front bumper or grille area
Disconnect the electrical connector carefully to avoid damage
Replace with Standard Ignition part number AX178 for proper fitment
Verify sensor operation after installation by checking temperature readings

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The AX178 Ambient Air Temperature Sensor undergoes rigorous quality control testing. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in your purchase.

Brand	Standard Ignition
Part Number	AX178
Attachment Method	Push On
Color	Black
Connector Gender	Female
Connector Shape	Oval
Connector Type	Plug In
Mounting Bracket(s) Included	No
Terminal Gender	Male
Terminal Type	Blade
Wiring Harness Included	No

This part fits 259 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
2022	Volkswagen	Passat			N/A
2021	Volkswagen	Golf			N/A
2021	Volkswagen	Passat			N/A
2020	Volkswagen	Golf			N/A
2020	Volkswagen	Passat			N/A
2019	Volkswagen	Golf			N/A
2019	Volkswagen	Passat			N/A
2018	Audi	A6			N/A
2018	Audi	A6 Quattro			N/A
2018	Audi	S6			N/A
2018	Audi	TT Quattro			N/A
2018	Volkswagen	Golf			N/A
2018	Volkswagen	GTI			N/A
2018	Volkswagen	Passat			N/A
2017	Audi	A6			N/A
2017	Audi	A6 Quattro			N/A
2017	Audi	S6			N/A
2017	Audi	TT Quattro			N/A
2017	Volkswagen	CC			N/A
2017	Volkswagen	Golf			N/A
2017	Volkswagen	GTI			N/A
2017	Volkswagen	Passat			N/A
2017	Volkswagen	Tiguan			N/A
2016	Audi	A6			N/A
2016	Audi	A6 Quattro			N/A
2016	Audi	S6			N/A
2016	Audi	TT Quattro			N/A
2016	Volkswagen	CC			N/A
2016	Volkswagen	Eos			N/A
2016	Volkswagen	Golf			N/A
2016	Volkswagen	GTI			N/A
2016	Volkswagen	Passat			N/A
2016	Volkswagen	Tiguan			N/A
2015	Audi	A6			N/A
2015	Audi	A6 Quattro			N/A
2015	Audi	Q7			N/A
2015	Audi	R8			N/A
2015	Audi	S6			N/A
2015	Audi	TT Quattro			N/A
2015	Volkswagen	CC			N/A
2015	Volkswagen	Eos			N/A
2015	Volkswagen	Golf			N/A
2015	Volkswagen	GTI			N/A
2015	Volkswagen	Passat			N/A
2015	Volkswagen	Tiguan			N/A
2014	Audi	A6			N/A
2014	Audi	A6 Quattro			N/A
2014	Audi	A8 Quattro			N/A
2014	Audi	Q7			N/A
2014	Audi	R8			N/A
2014	Audi	S6			N/A
2014	Audi	S8			N/A
2014	Audi	TT Quattro			N/A
2014	Volkswagen	CC			N/A
2014	Volkswagen	Eos			N/A
2014	Volkswagen	Golf			N/A
2014	Volkswagen	GTI			N/A
2014	Volkswagen	Jetta			N/A
2014	Volkswagen	Passat			N/A
2014	Volkswagen	Tiguan			N/A
2013	Audi	A3			N/A
2013	Audi	A3 Quattro			N/A
2013	Audi	A4			N/A
2013	Audi	A4 Quattro			N/A
2013	Audi	A5			N/A
2013	Audi	A5 Quattro			N/A
2013	Audi	A6			N/A
2013	Audi	A6 Quattro			N/A
2013	Audi	A8 Quattro			N/A
2013	Audi	Q7			N/A
2013	Audi	S4			N/A
2013	Audi	S5			N/A
2013	Audi	S6			N/A
2013	Audi	S8			N/A
2013	Audi	TT Quattro			N/A
2013	Volkswagen	CC			N/A
2013	Volkswagen	Eos			N/A
2013	Volkswagen	Golf			N/A
2013	Volkswagen	GTI			N/A
2013	Volkswagen	Jetta			N/A
2013	Volkswagen	Passat			N/A
2013	Volkswagen	Tiguan			N/A
2012	Audi	A3			N/A
2012	Audi	A3 Quattro			N/A
2012	Audi	A4			N/A
2012	Audi	A5			N/A
2012	Audi	A5 Quattro			N/A
2012	Audi	A6			N/A
2012	Audi	A6 Quattro			N/A
2012	Audi	A8 Quattro			N/A
2012	Audi	Q5			N/A
2012	Audi	Q7			N/A
2012	Audi	R8			N/A
2012	Audi	S4			N/A
2012	Audi	TT Quattro			N/A
2012	Volkswagen	CC			N/A
2012	Volkswagen	Eos			N/A
2012	Volkswagen	Golf			N/A
2012	Volkswagen	GTI			N/A
2012	Volkswagen	Jetta			N/A
2012	Volkswagen	Passat			N/A
2012	Volkswagen	Tiguan			N/A
2011	Audi	A3			N/A
2011	Audi	A3 Quattro			N/A
2011	Audi	A5			N/A
2011	Audi	A5 Quattro			N/A
2011	Audi	A6			N/A
2011	Audi	A6 Quattro			N/A
2011	Audi	A8 Quattro			N/A
2011	Audi	Q5			N/A
2011	Audi	Q7			N/A
2011	Audi	R8			N/A
2011	Audi	S4			N/A
2011	Audi	S6			N/A
2011	Audi	TT Quattro			N/A
2011	Volkswagen	CC			N/A
2011	Volkswagen	Eos			N/A
2011	Volkswagen	Golf			N/A
2011	Volkswagen	GTI			N/A
2011	Volkswagen	Jetta			N/A
2011	Volkswagen	Tiguan			N/A
2010	Audi	A3			N/A
2010	Audi	A3 Quattro			N/A
2010	Audi	A4			N/A
2010	Audi	A4 Quattro			N/A
2010	Audi	A5			N/A
2010	Audi	A5 Quattro			N/A
2010	Audi	A6			N/A
2010	Audi	A6 Quattro			N/A
2010	Audi	A8 Quattro			N/A
2010	Audi	Q5			N/A
2010	Audi	Q7			N/A
2010	Audi	R8			N/A
2010	Audi	S3			N/A
2010	Audi	S4			N/A
2010	Audi	S5			N/A
2010	Audi	S6			N/A
2010	Audi	S8			N/A
2010	Audi	TT			N/A
2010	Audi	TT Quattro			N/A
2010	Volkswagen	CC			N/A
2010	Volkswagen	Eos			N/A
2010	Volkswagen	Golf			N/A
2010	Volkswagen	Golf City			N/A
2010	Volkswagen	GTI			N/A
2010	Volkswagen	Jetta			N/A
2010	Volkswagen	Passat			N/A
2010	Volkswagen	Tiguan			N/A
2009	Audi	A3			N/A
2009	Audi	A3 Quattro			N/A
2009	Audi	A4			N/A
2009	Audi	A4 Quattro			N/A
2009	Audi	A5			N/A
2009	Audi	A5 Quattro			N/A
2009	Audi	A6			N/A
2009	Audi	A6 Quattro			N/A
2009	Audi	A8 Quattro			N/A
2009	Audi	Q5			N/A
2009	Audi	Q7			N/A
2009	Audi	R8			N/A
2009	Audi	S4			N/A
2009	Audi	S5			N/A
2009	Audi	S6			N/A
2009	Audi	S8			N/A
2009	Audi	TT			N/A
2009	Audi	TT Quattro			N/A
2009	Volkswagen	CC			N/A
2009	Volkswagen	Eos			N/A
2009	Volkswagen	Golf City			N/A
2009	Volkswagen	GTI			N/A
2009	Volkswagen	Jetta			N/A
2009	Volkswagen	Passat			N/A
2009	Volkswagen	Tiguan			N/A
2008	Audi	A3			N/A
2008	Audi	A3 Quattro			N/A
2008	Audi	A4			N/A
2008	Audi	A4 Quattro			N/A
2008	Audi	A5			N/A
2008	Audi	A5 Quattro			N/A
2008	Audi	A6			N/A
2008	Audi	A6 Quattro			N/A
2008	Audi	A8 Quattro			N/A
2008	Audi	Q7			N/A
2008	Audi	R8			N/A
2008	Audi	S3			N/A
2008	Audi	S4			N/A
2008	Audi	S5			N/A
2008	Audi	S6			N/A
2008	Audi	S8			N/A
2008	Audi	TT			N/A
2008	Audi	TT Quattro			N/A
2008	Volkswagen	Eos			N/A
2008	Volkswagen	GTI			N/A
2008	Volkswagen	Jetta			N/A
2008	Volkswagen	Passat			N/A
2008	Volkswagen	R32			N/A
2007	Audi	A3			N/A
2007	Audi	A3 Quattro			N/A
2007	Audi	A4			N/A
2007	Audi	A4 Quattro			N/A
2007	Audi	A6			N/A
2007	Audi	A6 Quattro			N/A
2007	Audi	A8 Quattro			N/A
2007	Audi	Q7			N/A
2007	Audi	S4			N/A
2007	Audi	S6			N/A
2007	Audi	S8			N/A
2007	Volkswagen	Eos			N/A
2007	Volkswagen	GTI			N/A
2007	Volkswagen	Jetta			N/A
2007	Volkswagen	Passat			N/A
2006	Audi	A3			N/A
2006	Audi	A3 Quattro			N/A
2006	Audi	A4			N/A
2006	Audi	A4 Quattro			N/A
2006	Audi	A6			N/A
2006	Audi	A6 Quattro			N/A
2006	Audi	A8 Quattro			N/A
2006	Audi	S4			N/A
2006	Volkswagen	Golf			N/A
2006	Volkswagen	GTI			N/A
2006	Volkswagen	Jetta			N/A
2006	Volkswagen	Passat			N/A
2005	Audi	A4			N/A
2005	Audi	A4 Quattro			N/A
2005	Audi	A6 Quattro			N/A
2005	Audi	A8 Quattro			N/A
2005	Audi	Allroad Quattro			N/A
2005	Audi	S4			N/A
2005	Volkswagen	Jetta			N/A
2005	Volkswagen	Passat			N/A
2004	Audi	A4			N/A
2004	Audi	A4 Quattro			N/A
2004	Audi	A6	3.0L	V6	N/A
2004	Audi	A6 Quattro	2.7L	V6	N/A
2004	Audi	A6 Quattro	3.0L	V6	N/A
2004	Audi	A8 Quattro			N/A
2004	Audi	Allroad Quattro			N/A
2004	Audi	S3			N/A
2004	Audi	S4			N/A
2004	Audi	S6			N/A
2004	Volkswagen	Passat			N/A
2003	Audi	A4			N/A
2003	Audi	A4 Quattro			N/A
2003	Audi	A6	3.0L	V6	N/A
2003	Audi	A6 Quattro	2.7L	V6	N/A
2003	Audi	A6 Quattro	3.0L	V6	N/A
2003	Audi	Allroad Quattro			N/A
2003	Volkswagen	Passat			N/A
2002	Audi	A4			N/A
2002	Audi	A4 Quattro			N/A
2002	Audi	A6			N/A	Inside Air Temperature
2002	Audi	A6 Quattro			N/A	Inside Air Temperature
2002	Audi	Allroad Quattro			N/A
2002	Volkswagen	Passat			N/A
2001	Audi	A6			N/A	From Chassis No. 4B-1-041 001
2001	Audi	A6 Quattro			N/A	From Chassis No. 4B-1-041 001
2001	Audi	Allroad Quattro			N/A	From Chassis No. 4B-1-032 612
2001	Volkswagen	Passat			N/A	From Chassis No. 3B-1-050 001

* 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:

17-15055S1187372-4940760188Z0820535ATSA10TS57304V10-72-1114WT5614

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