Audi / Porsche / Volkswagen Air Quality Sensor 7L0907643
OEM Part #: 7L0-907-643 (7L0907643)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
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Used Audi, Porsche, and VW genuine OEM air quality sensor 7L0907643, now available as a used original part. This sensor monitors outside air contaminants and signals the HVAC system to switch to recirculation mode automatically. Also replaces 7L0907659A, 7L0907643A, and Porsche numbers 95561855002/001/000. Common failure symptom: the cabin air fails to close the fresh-air intake when driving behind a diesel truck, allowing exhaust odors inside. Works with the 3.0L–4.5L engines in the Audi Q7, Porsche Cayenne, and VW Touareg.
Specifications
| Fits Vehicle Model | Cayenne, Q7, Touareg |
| Fits Vehicle Make | Audi, Porsche, Volkswagen |
| OEM Part No | 7L0-907-643 (7L0907643) |
| Compatible OEM Part No | 7L0-907-659-A, 7L0-907-643-A, 95561855002, 95561855001, 95561855000 |
| Category | Sensors |
Compatible Vehicles
Fits 65 vehicle configurations across 3 makes, 2003-2015.
View all 65 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2007 | Audi | Q7 | SUV | 3.6L V6 | |
| 2007 | Audi | Q7 | SUV | 4.2L V8 | |
| 2008 | Audi | Q7 | SUV | 3.6L V6 | |
| 2008 | Audi | Q7 | SUV | 4.2L V8 | |
| 2009 | Audi | Q7 | SUV | 3.6L V6 | |
| 2009 | Audi | Q7 | SUV | 4.2L V8 | |
| 2009 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2010 | Audi | Q7 | SUV | 3.6L V6 | |
| 2010 | Audi | Q7 | SUV | 4.2L V8 | |
| 2010 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2011 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2011 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2012 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2012 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2013 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2013 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2014 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2014 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2015 | Audi | Q7 | SUV | 3.0L V6 Supercharged | |
| 2015 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2003 | Porsche | Cayenne | S SUV | 4.5L V8 | |
| 2003 | Porsche | Cayenne | Turbo SUV | 4.5L V8 Turbo | |
| 2004 | Porsche | Cayenne | SUV | 3.2L V6 | |
| 2004 | Porsche | Cayenne | S SUV | 4.5L V8 | |
| 2004 | Porsche | Cayenne | Turbo SUV | 4.5L V8 Turbo | |
| 2005 | Porsche | Cayenne | SUV | 3.2L V6 | |
| 2005 | Porsche | Cayenne | S SUV | 4.5L V8 | |
| 2005 | Porsche | Cayenne | Turbo SUV | 4.5L V8 Turbo | |
| 2006 | Porsche | Cayenne | SUV | 3.2L V6 | |
| 2006 | Porsche | Cayenne | S SUV | 4.5L V8 | |
| 2006 | Porsche | Cayenne | Turbo SUV | 4.5L V8 Turbo | |
| 2006 | Porsche | Cayenne | Turbo S SUV | 4.5L V8 Turbo | |
| 2008 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2008 | Porsche | Cayenne | GTS SUV | 4.8L V8 | |
| 2008 | Porsche | Cayenne | S SUV | 4.8L V8 | |
| 2008 | Porsche | Cayenne | Turbo SUV | 4.8L V8 Turbo | |
| 2009 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2009 | Porsche | Cayenne | GTS SUV | 4.8L V8 | |
| 2009 | Porsche | Cayenne | S SUV | 4.8L V8 | |
| 2009 | Porsche | Cayenne | Turbo SUV | 4.8L V8 Turbo | |
| 2009 | Porsche | Cayenne | Turbo S SUV | 4.8L V8 Turbo | |
| 2010 | Porsche | Cayenne | SUV | 3.6L V6 | |
| 2010 | Porsche | Cayenne | GTS SUV | 4.8L V8 | |
| 2010 | Porsche | Cayenne | S SUV | 4.8L V8 | |
| 2010 | Porsche | Cayenne | Turbo SUV | 4.8L V8 Turbo | |
| 2010 | Porsche | Cayenne | Turbo S SUV | 4.8L V8 Turbo | |
| 2004 | Volkswagen | Touareg | SUV | 4.9L V10 Diesel Turbo | |
| 2004 | Volkswagen | Touareg | SUV | 3.2L V6 | |
| 2004 | Volkswagen | Touareg | SUV | 4.2L V8 | |
| 2005 | Volkswagen | Touareg | SUV | 3.2L V6 | |
| 2005 | Volkswagen | Touareg | SUV | 4.2L V8 | |
| 2006 | Volkswagen | Touareg | SUV | 3.2L V6 | |
| 2006 | Volkswagen | Touareg | SUV | 4.2L V8 | |
| 2006 | Volkswagen | Touareg | SUV | 5.0L V10 Diesel Turbo | |
| 2007 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2007 | Volkswagen | Touareg | SUV | 4.2L V8 | |
| 2007 | Volkswagen | Touareg | SUV | 5.0L V10 Diesel Turbo | |
| 2008 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2008 | Volkswagen | Touareg | SUV | 4.2L V8 | |
| 2008 | Volkswagen | Touareg | SUV | 5.0L V10 Diesel Turbo | |
| 2009 | Volkswagen | Touareg | SUV | 3.6L V6 | |
| 2009 | Volkswagen | Touareg | SUV | 4.2L V8 | |
| 2009 | Volkswagen | Touareg | SUV | 3.0L V6 Diesel Turbo | |
| 2010 | Volkswagen | Touareg | SUV | 3.0L V6 Diesel Turbo | |
| 2010 | Volkswagen | Touareg | SUV | 3.6L V6 |