2001-2005 Audi AC Servo Flap Motor - Ventilation 4B1820511M
OEM Part #: 4B1-820-511-M (4B1820511M)
Actual photo
The exact part you’ll receive — not a stock photo.
$11.99
Used
Donor2003 Audi ALLROAD · 2.7
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Genuine OEM Used
SKU: 190556
Donor Vehicle: 2003 Audi ALLROAD · 2.7
2 photos
$11.99
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Genuine OEM Used
SKU: 137021
Donor Vehicle: None Audi Multi Qty
2 photos
$11.99
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A genuine Audi AC servo flap motor - ventilation, OEM part number 4B1820511M, is a used OEM component removed from a donor vehicle. Also known as a ventilation flap motor, this actuator controls airflow direction in the HVAC system. When it fails, you may get no air from certain vents or erratic fan operation. Pulled from Audi A6, A6 Quattro, Allroad, RS6, and S6 models with 2.7L–4.2L engines.
Specifications
| Fits Vehicle Model | A6, Allroad, RS6, S6 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4B1-820-511-M (4B1820511M) |
| Category | Dash Parts |
Compatible Vehicles
Fits 25 vehicle configurations across 1 make, 2001-2005.
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 25 vehicle configurations — 7 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2002 | Audi | A6 | Sedan | 3.0L V6 | |
| 2003 | Audi | A6 | Sedan | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2005 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | For Vehicles with Production Date After 06/18/01 |
| 2004 | Audi | A6 | Sedan | 3.0L V6 | |
| 2003 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2002 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | For Vehicles with Production Date After 06/18/01 |
| 2003 | Audi | RS6 | Sedan | 4.2L V8 Turbo | |
| 2001 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | For Vehicles with Production Date After 06/18/01 |
| 2003 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2003 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | For Vehicles with Production Date After 06/18/01 |
| 2002 | Audi | S6 | Wagon | 4.2L V8 | |
| 2002 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2004 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2002 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2004 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | For Vehicles with Production Date After 06/18/01 |
| 2004 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2005 | Audi | Allroad | Quattro Wagon | 4.2L V8 | For Vehicles with Production Date After 06/18/01 |
| 2003 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2004 | Audi | Allroad | Quattro Wagon | 4.2L V8 | For Vehicles with Production Date After 06/18/01 |
| 2003 | Audi | S6 | Wagon | 4.2L V8 | |
| 2002 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2002 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2003 | Audi | A6 | Quattro Sedan | 3.0L V6 |