Audi A4/R8/RS4 Brake Booster Check Valve 8E0611933AB
OEM Part #: 8E0-611-933-AB (8E0611933AB)
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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This is a used genuine OEM Audi brake booster check valve, part number 8E0611933AB. Also replaces 8E0611933A. The check valve sits in the vacuum line between the brake booster and the intake manifold, preventing backflow when the engine is off. A failed valve can cause a hard brake pedal or a hissing vacuum leak, leading to reduced power assist. It was removed from a donor vehicle and is ready for installation.
Specifications
| Fits Vehicle Model | A4, R8, RS4 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8E0-611-933-AB (8E0611933AB) |
| Compatible OEM Part No | 8E0-611-933-A |
| Category | Brake Booster |
Compatible Vehicles
Fits 58 vehicle configurations across 1 make, 2002-2011.
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 58 vehicle configurations — 55 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2002 | Audi | A4 | Sedan | 1.8L l4 Turbo | For Automatic Transmission |
| 2002 | Audi | A4 | Sedan | 3.0L V6 | For Automatic Transmission |
| 2002 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | For Automatic Transmission |
| 2002 | Audi | A4 | Quattro Wagon | 3.0L V6 | For Automatic Transmission |
| 2002 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | For Automatic Transmission |
| 2002 | Audi | A4 | Quattro Sedan | 3.0L V6 | For Automatic Transmission |
| 2003 | Audi | A4 | Sedan | 1.8L l4 Turbo | For Automatic Transmission |
| 2003 | Audi | A4 | Sedan | 3.0L V6 | For Automatic Transmission |
| 2003 | Audi | A4 | Convertible | 1.8L l4 Turbo | For Automatic Transmission |
| 2003 | Audi | A4 | Convertible | 3.0L V6 | For Automatic Transmission |
| 2003 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | For Automatic Transmission |
| 2003 | Audi | A4 | Quattro Wagon | 3.0L V6 | For Automatic Transmission |
| 2003 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | For Automatic Transmission |
| 2003 | Audi | A4 | Quattro Sedan | 3.0L V6 | For Automatic Transmission |
| 2004 | Audi | A4 | Sedan | 1.8L l4 Turbo | For Automatic Transmission |
| 2004 | Audi | A4 | Sedan | 3.0L V6 | For Automatic Transmission |
| 2004 | Audi | A4 | Convertible | 1.8L l4 Turbo | For Automatic Transmission |
| 2004 | Audi | A4 | Convertible | 3.0L V6 | For Automatic Transmission |
| 2004 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | For Automatic Transmission |
| 2004 | Audi | A4 | Quattro Wagon | 3.0L V6 | For Automatic Transmission |
| 2004 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | For Automatic Transmission |
| 2004 | Audi | A4 | Quattro Sedan | 3.0L V6 | For Automatic Transmission |
| 2004 | Audi | A4 | Quattro Convertible | 3.0L V6 | For Automatic Transmission |
| 2005 | Audi | A4 | Sedan | 1.8L l4 Turbo | For Automatic Transmission |
| 2005 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2005 | Audi | A4 | Sedan | 3.0L V6 | For Automatic Transmission |
| 2005 | Audi | A4 | Convertible | 1.8L l4 Turbo | For Automatic Transmission |
| 2005 | Audi | A4 | Convertible | 3.0L V6 | For Automatic Transmission |
| 2005 | Audi | A4 | Quattro Wagon | 1.8L l4 Turbo | For Automatic Transmission |
| 2005 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | For Automatic Transmission |
| 2005 | Audi | A4 | Quattro Wagon | 3.0L V6 | For Automatic Transmission |
| 2005 | Audi | A4 | Quattro Sedan | 1.8L l4 Turbo | For Automatic Transmission |
| 2005 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2005 | Audi | A4 | Quattro Sedan | 3.0L V6 | For Automatic Transmission |
| 2005 | Audi | A4 | Quattro Convertible | 3.0L V6 | For Automatic Transmission |
| 2006 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2006 | Audi | A4 | Convertible | 1.8L l4 Turbo | For Automatic Transmission |
| 2006 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | For Automatic Transmission |
| 2006 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2006 | Audi | A4 | Quattro Convertible | 3.0L V6 | For Automatic Transmission |
| 2007 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2007 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | For Automatic Transmission |
| 2007 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2007 | Audi | RS4 | Sedan | 4.2L V8 | |
| 2008 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2008 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | For Automatic Transmission |
| 2008 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Automatic Transmission |
| 2008 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles With Production date Up To 09/06/10 |
| 2008 | Audi | RS4 | Sedan | 4.2L V8 | |
| 2008 | Audi | RS4 | Convertible | 4.2L V8 | |
| 2009 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles With Production date Up To 09/06/10 |
| 2009 | Audi | R8 | Coupe | 5.2L V10 | For Vehicles With Production date Up To 09/06/10 |
| 2010 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles With Production date Up To 09/06/10 |
| 2010 | Audi | R8 | Coupe | 5.2L V10 | For Vehicles With Production date Up To 09/06/10 |
| 2011 | Audi | R8 | Coupe | 4.2L V8 | For Vehicles With Production date Up To 09/06/10 |
| 2011 | Audi | R8 | Coupe | 5.2L V10 | For Vehicles With Production date Up To 09/06/10 |
| 2011 | Audi | R8 | Spyder Convertible | 4.2L V8 | For Vehicles With Production date Up To 09/06/10 |
| 2011 | Audi | R8 | Spyder Convertible | 5.2L V10 | For Vehicles With Production date Up To 09/06/10 |