# CMX KCX-100321 Disc Brake Pad for 2004-2011 Audi S6, Audi A8 Quattro, Audi S8 & more - Front and Rear

### Performance Overview

As a leader in the Automotive Braking industry, CMX delivers unrivaled braking solutions that redefine performance, reliability, and safety for your vehicle. CMX offers a comprehensive range of cutting-edge brake components meticulously engineered to meet the demands of do-it-yourself customers, garages and large fleet operators. From high-performance brake pads and rotors, to durable brake drums, reliable brake wheel cylinders, state-of-the-art CMX KCX-100321 is a vehicle-specific disc brake pad designed for compatible applications for 2004-2011 Audi S6, Audi A8 Quattro, Audi S8 & more.

### Key Features

-   Kit includes: 2x Brake Pad

### Package include:

-   1x Front Ceramic Brake Pad Set (With Sensor) + 1x Rear Ceramic Brake Pad Set (Hardware Included)

### Vehicle Fitment

**Fitment Summary:** 2004-2011 Audi, Volkswagen S6, A8 Quattro, S8, Phaeton

**Position:** Front and Rear

-   2011 Audi S6 — Position: Front and Rear
-   2010 Audi A8 Quattro — Position: Front and Rear; Note: With 360mm Diameter Front Rotor
-   2007-2010 Audi S6 — Position: Front and Rear; Note: With 385mm Diameter Front Rotor
-   2007-2009 Audi S8 — Position: Front and Rear
-   2004-2009 Audi A8 Quattro — Position: Front and Rear
-   2004-2006 Volkswagen Phaeton — Position: Front and Rear

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, fitment precision, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is KCX-100321.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Disc Brake Pad for Audi S6
-   2004-2011 Audi S6 Disc Brake Pad
-   KCX-100321 fitment
-   CMX Disc Brake Pad
-   Front and Rear Disc Brake Pad

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2011

Audi

S6

Front and Rear

2010

Audi

A8 Quattro

Front and Rear

With 360mm Diameter Front Rotor

2007

Audi

S6

Front and Rear

With 385mm Diameter Front Rotor

2008

Audi

S6

Front and Rear

With 385mm Diameter Front Rotor

2009

Audi

S6

Front and Rear

With 385mm Diameter Front Rotor

2010

Audi

S6

Front and Rear

With 385mm Diameter Front Rotor

2007

Audi

S8

Front and Rear

2008

Audi

S8

Front and Rear

2009

Audi

S8

Front and Rear

2004

Audi

A8 Quattro

Front and Rear

## Details

- **Price:** 113.12 CAD
- **Vendor:** CMX
- **Type:** Disc Brake Pad
- **Tags:** 2004 Audi A8 Quattro, 2007 Audi S6, 2007 Audi S8, 2008 Audi S6, 2008 Audi S8, 2009 Audi S6, 2009 Audi S8, 2010 Audi A8 Quattro, 2010 Audi S6, 2011 Audi S6, Automotive Parts, CMX, CMX KCX-100321, Daily Driver, Direct Replacement, Disc Brake Pad, Front and Rear, KCX-100321, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 113.12 CAD | In stock |

## Images

- CMX KCX-100321 Disc Brake Pad for 2004-2011 Audi S6, Audi A8 Quattro, Audi S8 & more - Front and Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/cmx-kcx-100321-disc-brake-pad-for-2004-2011-audi-s6-audi-a8-quattro-audi-s8-and-more-front-and-rear-kcx-100321)
> Updated: 2026-07-15
