1998-2018 Audi Air Quality Sensor 4B0907659A
OEM Part #: 4B0-907-659-A (4B0907659A)
Actual photo
The exact part you’ll receive — not a stock photo.
$49.99
Used
Donor2005 Audi A8 · 6.0L
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Genuine OEM Used
SKU: 681106
Donor Vehicle: 2005 Audi A8 · 6.0L
2 photos
$49.99
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Audi Air Quality Sensor OEM 4B0907659A, a used genuine part pulled from a donor vehicle. This sensor monitors outside air pollutants and tells the HVAC system when to switch to recirculation. A failing sensor may cause the cabin to not automatically block exhaust or smog, or the ventilation to stay stuck in recirculation mode. It fits many Audi models including A3, A4, A6, A8, Q3, R8, RS4, RS6, S3, S4, S6, S8, and Allroad, across a range of engines.
Specifications
| Fits Vehicle Model | A3, A4, A6, A8, Allroad, Q3, R8, RS4, RS6, S4, S6, S8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4B0-907-659-A (4B0907659A) |
| Category | HVAC / Climate Control |
Compatible Vehicles
Fits 229 vehicle configurations across 1 make, 1998-2018.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 229 vehicle configurations — 8 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2003 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2015 | Audi | R8 | Coupe | 4.2L V8 | |
| 2009 | Audi | A6 | Sedan | 3.2L V6 | |
| 2011 | Audi | A6 | Sedan | 3.2L V6 | |
| 2018 | Audi | Q3 | Quattro SUV | 2.0L l4 Turbo | For Vehicles with Option Code(s) 9AK |
| 2018 | Audi | Q3 | SUV | 2.0L l4 Turbo | For Vehicles with Option Code(s) 9AK |
| 2011 | Audi | R8 | Coupe | 5.2L V10 | |
| 2010 | Audi | R8 | Coupe | 5.2L V10 | |
| 2012 | Audi | R8 | Coupe | 5.2L V10 | |
| 2012 | Audi | R8 | GT Coupe | 5.2L V10 | |
| 2009 | Audi | R8 | Coupe | 5.2L V10 | |
| 2010 | Audi | A6 | Sedan | 3.2L V6 | |
| 2013 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2006 | Audi | A4 | Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2012 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2012 | Audi | R8 | GT Spyder Convertible | 5.2L V10 | |
| 2017 | Audi | Q3 | SUV | 2.0L l4 Turbo | For Vehicles with Option Code(s) 9AK |
| 2016 | Audi | Q3 | SUV | 2.0L l4 Turbo | For Vehicles with Option Code(s) 9AK |
| 2015 | Audi | Q3 | Quattro SUV | 2.0L l4 Turbo | For Vehicles with Option Code(s) 9AK |
| 2015 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2015 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2017 | Audi | Q3 | Quattro SUV | 2.0L l4 Turbo | For Vehicles with Option Code(s) 9AK |
| 2016 | Audi | Q3 | Quattro SUV | 2.0L l4 Turbo | For Vehicles with Option Code(s) 9AK |
| 2011 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2005 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2003 | Audi | A4 | Convertible | 1.8L l4 Turbo | |
| 2013 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2005 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2012 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2009 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2009 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2011 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2015 | Audi | R8 | Coupe | 5.2L V10 | |
| 2005 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 2004 | Audi | A4 | Convertible | 1.8L l4 Turbo | |
| 2012 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2010 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2005 | Audi | A4 | Convertible | 1.8L l4 Turbo | |
| 2007 | Audi | S4 | Sedan | 4.2L V8 | |
| 2011 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2010 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2015 | Audi | Q3 | SUV | 2.0L l4 Turbo | For Vehicles with Option Code(s) 9AK |
| 2008 | Audi | A4 | Quattro Wagon | 3.2L V6 | |
| 2008 | Audi | S6 | Sedan | 5.2L V10 | |
| 2008 | Audi | A6 | Sedan | 3.2L V6 | |
| 2009 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2008 | Audi | RS4 | Sedan | 4.2L V8 | |
| 2006 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2006 | Audi | A4 | Sedan | 3.2L V6 | |
| 2009 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2004 | Audi | S4 | Sedan | 4.2L V8 | |
| 2006 | Audi | A4 | Quattro Wagon | 3.2L V6 | |
| 2003 | Audi | S6 | Wagon | 4.2L V8 | |
| 2000 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2008 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2001 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 1999 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2004 | Audi | Allroad | Quattro Wagon | 4.2L V8 | |
| 2005 | Audi | S4 | Wagon | 4.2L V8 | |
| 2009 | Audi | S8 | Sedan | 5.2L V10 | |
| 2007 | Audi | A6 | Sedan | 3.2L V6 | |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2006 | Audi | A6 | Sedan | 3.2L V6 | |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2009 | Audi | A4 | Quattro Convertible | 3.2L V6 | |
| 2008 | Audi | S8 | Sedan | 5.2L V10 | |
| 2008 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2001 | Audi | A6 | Sedan | 2.8L V6 | |
| 2004 | Audi | S4 | Wagon | 4.2L V8 | |
| 2005 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2005 | Audi | A4 | Quattro Convertible | 3.0L V6 | |
| 2006 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2007 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | |
| 2007 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2008 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2008 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2002 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2009 | Audi | A4 | Convertible | 2.0L l4 Turbo | |
| 2008 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2004 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2002 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2002 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2010 | Audi | A3 | Hatchback | 2.0L l4 Diesel Turbo | |
| 2005 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2010 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2010 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged | |
| 2010 | Audi | S6 | Sedan | 5.2L V10 | |
| 2009 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2010 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2010 | Audi | R8 | Coupe | 4.2L V8 | |
| 2010 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2009 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged | |
| 2010 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2006 | Audi | S4 | Wagon | 4.2L V8 | |
| 2006 | Audi | A6 | Quattro Wagon | 3.2L V6 | |
| 2009 | Audi | R8 | Coupe | 4.2L V8 | |
| 2009 | Audi | S4 | Convertible | 4.2L V8 | |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2009 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | A6 | Quattro Wagon | 3.2L V6 | |
| 2009 | Audi | S6 | Sedan | 5.2L V10 | |
| 2008 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | S4 | Wagon | 4.2L V8 | |
| 2006 | Audi | S4 | Sedan | 4.2L V8 | |
| 2004 | Audi | S4 | Convertible | 4.2L V8 | |
| 2007 | Audi | S8 | Sedan | 5.2L V10 | |
| 2006 | Audi | A4 | Quattro Convertible | 3.0L V6 | |
| 2006 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2005 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2005 | Audi | A4 | Sedan | 3.0L V6 | |
| 2005 | Audi | A4 | Quattro Wagon | 3.2L V6 | |
| 2005 | Audi | A4 | Quattro Sedan | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2002 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2002 | Audi | S6 | Wagon | 4.2L V8 | |
| 2003 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 2000 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | A4 | Quattro Convertible | 3.2L V6 | |
| 2003 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2001 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 1998 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2001 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2000 | Audi | A6 | Sedan | 2.8L V6 | |
| 2007 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2007 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2003 | Audi | RS6 | Sedan | 4.2L V8 Turbo | |
| 2006 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 1998 | Audi | A6 | Sedan | 2.8L V6 | |
| 2005 | Audi | S4 | Sedan | 4.2L V8 | |
| 2005 | Audi | A4 | Quattro Wagon | 3.0L V6 | |
| 2002 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 2007 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2007 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2007 | Audi | A4 | Sedan | 3.2L V6 | |
| 2006 | Audi | S4 | Convertible | 4.2L V8 | |
| 2008 | Audi | RS4 | Convertible | 4.2L V8 | |
| 2001 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2000 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2001 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 2008 | Audi | S4 | Convertible | 4.2L V8 | |
| 1999 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 1999 | Audi | A6 | Sedan | 2.8L V6 | |
| 2008 | Audi | R8 | Coupe | 4.2L V8 | |
| 2008 | Audi | S4 | Sedan | 4.2L V8 | |
| 2008 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2007 | Audi | A4 | Quattro Wagon | 3.2L V6 | |
| 2007 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2006 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2007 | Audi | S6 | Sedan | 5.2L V10 | |
| 2007 | Audi | S4 | Wagon | 4.2L V8 | |
| 2003 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2000 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 2005 | Audi | S4 | Convertible | 4.2L V8 | |
| 2005 | Audi | Allroad | Quattro Wagon | 4.2L V8 | |
| 2005 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2005 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2005 | Audi | A4 | Convertible | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2004 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 2007 | Audi | A4 | Quattro Convertible | 3.2L V6 | |
| 2007 | Audi | A6 | Quattro Wagon | 3.2L V6 | |
| 2007 | Audi | S4 | Convertible | 4.2L V8 | |
| 2007 | Audi | RS4 | Sedan | 4.2L V8 | |
| 2002 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2007 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2007 | Audi | A4 | Convertible | 2.0L l4 Turbo | |
| 2014 | Audi | R8 | Spyder Convertible | 5.2L V10 | |
| 2014 | Audi | R8 | Coupe | 5.2L V10 | |
| 2003 | Audi | A4 | Quattro Sedan | 3.0L V6 | |
| 2002 | Audi | A6 | Sedan | 3.0L V6 | |
| 2003 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2012 | Audi | A3 | Hatchback | 2.0L l4 Diesel Turbo | |
| 2003 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2004 | Audi | A4 | Quattro Wagon | 3.0L V6 | |
| 2002 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2002 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2011 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2011 | Audi | A3 | Hatchback | 2.0L l4 Diesel Turbo | |
| 2011 | Audi | S6 | Sedan | 5.2L V10 | |
| 2011 | Audi | R8 | Coupe | 4.2L V8 | |
| 2011 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged | |
| 2011 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | |
| 2006 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2009 | Audi | A4 | Quattro Convertible | 2.0L l4 Turbo | |
| 2007 | Audi | A4 | Quattro Convertible | 2.0L l4 Turbo | |
| 2006 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | |
| 2003 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2005 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2004 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2008 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | |
| 2004 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2006 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2005 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | |
| 2008 | Audi | A4 | Quattro Convertible | 2.0L l4 Turbo | |
| 2008 | Audi | A4 | Convertible | 2.0L l4 Turbo | |
| 2011 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2003 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2003 | Audi | A4 | Quattro Wagon | 3.0L V6 | |
| 2004 | Audi | A6 | Sedan | 3.0L V6 | |
| 2006 | Audi | A3 | Quattro Hatchback | 3.2L V6 | |
| 2008 | Audi | A3 | Quattro Hatchback | 3.2L V6 | |
| 2007 | Audi | A3 | Quattro Hatchback | 3.2L V6 | |
| 2009 | Audi | A3 | Quattro Hatchback | 3.2L V6 | |
| 2003 | Audi | A4 | Sedan | 3.0L V6 | |
| 2004 | Audi | A4 | Sedan | 3.0L V6 | |
| 2014 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2014 | Audi | R8 | Coupe | 4.2L V8 | |
| 2003 | Audi | A4 | Convertible | 3.0L V6 | |
| 2004 | Audi | A4 | Convertible | 3.0L V6 | |
| 2008 | Audi | A4 | Sedan | 3.2L V6 | |
| 2002 | Audi | A4 | Quattro Wagon | 3.0L V6 | |
| 2002 | Audi | A4 | Sedan | 3.0L V6 | |
| 2002 | Audi | A4 | Quattro Sedan | 3.0L V6 | |
| 2009 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2013 | Audi | A3 | Hatchback | 2.0L l4 Diesel Turbo | |
| 2012 | Audi | R8 | Spyder Convertible | 4.2L V8 | |
| 2004 | Audi | A4 | Quattro Convertible | 3.0L V6 | |
| 2012 | Audi | R8 | Coupe | 4.2L V8 | |
| 2003 | Audi | A6 | Sedan | 3.0L V6 | |
| 2004 | Audi | A4 | Quattro Sedan | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2008 | Audi | A8 | Quattro L Sedan | 6.0L W12 |