Audi A4/A5/Q5/S4/S5/allroad Clutch Master Cylinder 8K1721401B
OEM Part #: 8K1-721-401-B (8K1721401B)
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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Specifications
| Fits Vehicle Model | A4, A5, allroad, Q5, S4, S5 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8K1-721-401-B (8K1721401B) |
| Compatible OEM Part No | 8K1-721-401-A, 8K0-907-658-A, 8K1-721-401 |
| Category | Transmission |
Compatible Vehicles
Fits 33 vehicle configurations across 1 make, 2008-2016.
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 33 vehicle configurations — 33 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2008 | Audi | A5 | Quattro Coupe | 3.2L V6 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2008 | Audi | S5 | Coupe | 4.2L V8 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2009 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2009 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2009 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2009 | Audi | A4 | Quattro Sedan | 3.2L V6 | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2009 | Audi | A5 | Quattro Coupe | 3.2L V6 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2009 | Audi | Q5 | SUV | 3.2L V6 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2009 | Audi | S5 | Coupe | 4.2L V8 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2010 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2010 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2010 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2010 | Audi | A5 | Convertible | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2010 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2010 | Audi | A5 | Quattro Coupe | 3.2L V6 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2010 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2010 | Audi | Q5 | SUV | 3.2L V6 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2010 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2010 | Audi | S5 | Coupe | 4.2L V8 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2011 | Audi | A4 | Sedan | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2011 | Audi | A4 | Quattro Wagon | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2011 | Audi | A4 | Quattro Sedan | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2011 | Audi | A5 | Convertible | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2011 | Audi | A5 | Quattro Convertible | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2011 | Audi | A5 | Quattro Coupe | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2011 | Audi | Q5 | SUV | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2011 | Audi | Q5 | SUV | 3.2L V6 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2011 | Audi | S4 | Sedan | 3.0L V6 Supercharged | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2011 | Audi | S5 | Coupe | 4.2L V8 | For Manual Transmission; For Vehicles With Production date Up To 06/28/10 |
| 2013 | Audi | allroad | Wagon | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2014 | Audi | allroad | Wagon | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2015 | Audi | allroad | Wagon | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |
| 2016 | Audi | allroad | Wagon | 2.0L l4 Turbo | For Manual Transmission; For Vehicles With Production date Up To 06/21/10 |