2002-2009 Audi / Volkswagen Brake Light Pedal Switch 3B0945511C
OEM Part #: 3B0-945-511-C (3B0945511C)
Actual photo
The exact part you’ll receive — not a stock photo.
$29.99
Used
Donor2007 Audi RS4 · 4.2L
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Genuine OEM Used
SKU: 713009
Donor Vehicle: 2007 Audi RS4 · 4.2L
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$29.99
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A used OEM Audi/Volkswagen Brake Light Pedal Switch, part number 3B0945511C, also supersedes 3B0945511B, 3B0945511A, 3B0945511, and 1K2945511. This switch signals the brake pedal position to activate the rear brake lights. When it fails, common symptoms include brake lights that stay on constantly, fail to illuminate when pressing the pedal, or trigger a dashboard warning light.
Specifications
| Fits Vehicle Model | A4, A6, A8, Allroad, Passat, Phaeton, Q7, R8, RS4, RS6, S4, S6, S8 |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 3B0-945-511-C (3B0945511C) |
| Compatible OEM Part No | 3B0-945-511-B, 3B0-945-511-A, 3B0-945-511, 1K2-945-511 |
| Category | Other |
Compatible Vehicles
Fits 166 vehicle configurations across 2 makes, 2002-2009.
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 166 vehicle configurations — 15 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2004 | Audi | A4 | Sedan | 3.0L V6 | |
| 2003 | Audi | A4 | Sedan | 3.0L V6 | |
| 2004 | Audi | A4 | Quattro Wagon | 3.0L V6 | |
| 2003 | Audi | A4 | Quattro Sedan | 3.0L V6 | |
| 2003 | Audi | A4 | Quattro Wagon | 3.0L V6 | |
| 2004 | Audi | A4 | Quattro Sedan | 3.0L V6 | |
| 2002 | Audi | A4 | Quattro Sedan | 3.0L V6 | |
| 2002 | Audi | A4 | Sedan | 3.0L V6 | |
| 2002 | Audi | A4 | Quattro Wagon | 3.0L V6 | |
| 2006 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | |
| 2008 | Audi | A4 | Sedan | 3.2L V6 | |
| 2002 | Audi | A6 | Quattro Wagon | 3.0L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 129477 |
| 2004 | Volkswagen | Phaeton | Sedan | 4.2L V8 | |
| 2007 | Audi | A4 | Quattro Convertible | 3.2L V6 | |
| 2004 | Audi | A4 | Convertible | 3.0L V6 | |
| 2003 | Audi | A4 | Convertible | 3.0L V6 | |
| 2008 | Audi | Q7 | SUV | 3.6L V6 | |
| 2009 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | |
| 2009 | Audi | Q7 | SUV | 3.6L V6 | |
| 2009 | Audi | A4 | Quattro Convertible | 2.0L l4 Turbo | |
| 2007 | Audi | A4 | Quattro Convertible | 2.0L l4 Turbo | |
| 2007 | Audi | Q7 | SUV | 3.6L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 025001 |
| 2009 | Audi | A4 | Quattro Convertible | 3.2L V6 | |
| 2008 | Audi | RS4 | Convertible | 4.2L V8 | |
| 2008 | Audi | S4 | Convertible | 4.2L V8 | |
| 2007 | Audi | S4 | Convertible | 4.2L V8 | |
| 2007 | Audi | RS4 | Sedan | 4.2L V8 | |
| 2007 | Audi | Q7 | SUV | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 025001 |
| 2008 | Audi | A4 | Quattro Convertible | 3.2L V6 | |
| 2008 | Audi | A4 | Quattro Convertible | 2.0L l4 Turbo | |
| 2008 | Audi | A4 | Convertible | 2.0L l4 Turbo | |
| 2007 | Audi | A4 | Convertible | 2.0L l4 Turbo | |
| 2009 | Audi | A4 | Convertible | 2.0L l4 Turbo | |
| 2008 | Audi | Q7 | SUV | 4.2L V8 | |
| 2009 | Audi | S4 | Convertible | 4.2L V8 | |
| 2009 | Audi | Q7 | SUV | 4.2L V8 | |
| 2008 | Audi | RS4 | Sedan | 4.2L V8 | |
| 2005 | Audi | S4 | Wagon | 4.2L V8 | |
| 2006 | Audi | A4 | Quattro Wagon | 3.2L V6 | |
| 2008 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | |
| 2006 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2005 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | |
| 2007 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 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 | |
| 2004 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2004 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2003 | Audi | A6 | Quattro Sedan | 3.0L V6 | |
| 2003 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2002 | Audi | A6 | Sedan | 3.0L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 129477 |
| 2004 | Audi | A6 | Sedan | 3.0L V6 | |
| 2004 | Audi | A6 | Quattro Wagon | 3.0L V6 | |
| 2003 | Audi | A6 | Sedan | 3.0L V6 | |
| 2004 | Audi | A4 | Quattro Convertible | 3.0L V6 | |
| 2004 | Volkswagen | Passat | Sedan | 4.0L W8 | |
| 2004 | Volkswagen | Passat | Wagon | 4.0L W8 | |
| 2003 | Volkswagen | Passat | Wagon | 4.0L W8 | |
| 2003 | Volkswagen | Passat | Sedan | 4.0L W8 | |
| 2005 | Volkswagen | Passat | Wagon | 2.0L l4 Diesel Turbo | |
| 2005 | Volkswagen | Passat | Sedan | 2.0L l4 Diesel Turbo | |
| 2004 | Volkswagen | Passat | Wagon | 2.0L l4 Diesel Turbo | |
| 2004 | Volkswagen | Passat | Sedan | 2.0L l4 Diesel Turbo | |
| 2002 | Audi | A6 | Quattro Sedan | 3.0L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 129477 |
| 2003 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2004 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 2004 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2005 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2005 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2004 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2005 | Audi | Allroad | Quattro Wagon | 4.2L V8 | |
| 2006 | Volkswagen | Phaeton | Sedan | 6.0L W12 | |
| 2003 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2003 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2007 | Audi | S6 | Sedan | 5.2L V10 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 200000 |
| 2006 | Audi | A6 | Quattro Sedan | 4.2L V8 | |
| 2007 | Audi | A6 | Quattro Sedan | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 200000 |
| 2008 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 004000 |
| 2005 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2006 | Audi | A6 | Sedan | 3.2L V6 | |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2007 | Audi | A6 | Sedan | 3.2L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 200000 |
| 2007 | Audi | A6 | Quattro Wagon | 3.2L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 200000 |
| 2004 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2003 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2002 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 150001 |
| 2004 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2005 | Audi | A4 | Convertible | 3.0L V6 | |
| 2005 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2005 | Volkswagen | Phaeton | Sedan | 6.0L W12 | |
| 2006 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2003 | Audi | RS6 | Sedan | 4.2L V8 Turbo | |
| 2007 | Audi | A6 | Quattro Sedan | 3.2L V6 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 200000 |
| 2003 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2003 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 2002 | Audi | S6 | Wagon | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 129477 |
| 2002 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 129477 |
| 2004 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2003 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2007 | Audi | S8 | Sedan | 5.2L V10 | |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2002 | Audi | A6 | Quattro Sedan | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 129477 |
| 2004 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2004 | Audi | Allroad | Quattro Wagon | 4.2L V8 | |
| 2003 | Audi | S6 | Wagon | 4.2L V8 | |
| 2005 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | 4 Sedan | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | 4 Wagon | 1.8L l4 Turbo | |
| 2006 | Audi | A4 | Quattro Convertible | 3.0L V6 | |
| 2004 | Audi | S4 | Convertible | 4.2L V8 | |
| 2007 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2004 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Phaeton | Sedan | 4.2L V8 | |
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2006 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2006 | Volkswagen | Phaeton | Sedan | 4.2L V8 | |
| 2005 | Audi | A6 | Quattro Sedan | 3.2L V6 | |
| 2006 | Audi | A6 | Quattro Wagon | 3.2L V6 | |
| 2005 | Audi | A4 | Quattro Convertible | 3.0L V6 | |
| 2004 | Volkswagen | Passat | 4 Wagon | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | 4 Sedan | 1.8L l4 Turbo | |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2002 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2005 | Audi | S4 | Convertible | 4.2L V8 | |
| 2006 | Audi | S4 | Convertible | 4.2L V8 | |
| 2005 | Audi | A4 | Quattro Wagon | 3.0L V6 | |
| 2005 | Audi | A4 | Quattro Sedan | 3.0L V6 | |
| 2005 | Audi | A4 | Sedan | 3.0L V6 | |
| 2003 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2003 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2004 | Audi | A4 | Sedan | 1.8L l4 Turbo | |
| 2004 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2003 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2004 | Audi | S4 | Sedan | 4.2L V8 | |
| 2004 | Audi | S4 | Wagon | 4.2L V8 | |
| 2002 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2002 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | |
| 2004 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | |
| 2005 | Audi | A4 | Sedan | 2.0L l4 Turbo | |
| 2008 | Audi | S4 | Wagon | 4.2L V8 | |
| 2008 | Audi | S4 | Sedan | 4.2L V8 | |
| 2007 | Audi | A4 | Quattro Wagon | 3.2L V6 | |
| 2007 | Audi | S4 | Wagon | 4.2L V8 | |
| 2007 | Audi | S4 | Sedan | 4.2L V8 | |
| 2007 | Audi | A4 | Sedan | 3.2L V6 | |
| 2007 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2006 | Audi | S4 | Sedan | 4.2L V8 | |
| 2006 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2005 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2005 | Audi | A4 | Quattro Wagon | 3.2L V6 | |
| 2005 | Audi | S4 | Sedan | 4.2L V8 | |
| 2005 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | |
| 2008 | Audi | A4 | Quattro Sedan | 3.2L V6 | |
| 2006 | Audi | S4 | Wagon | 4.2L V8 | |
| 2008 | Audi | A4 | Quattro Wagon | 3.2L V6 | |
| 2006 | Audi | A4 | Sedan | 3.2L V6 |