# Genius KG-100177 Disc Brake Rotor for 1997-2006 Audi A4, Audi A4 Quattro and More - Front

### Performance Overview

Genius has been the undisputed leader in coated rotor manufacturing for the last 15 years thanks to it's groundbreaking lab engineered G-Cast™ iron cast and G-Coat™ dipped conative. Genius in-house engineered managed to develop the best combination of iron cast and coating to produce unmatched protection that adhere and stay durable for the lifetime of the rotor, without compromising on the rotor braking performan...

### Key Features

-   Engineered with with Carbon-Enhanced G-Cast™ (G11H18/G3000) iron castings to achieve an optimal braking performance (strength, stability, durability)
-   Exclusive G-Coat™ double-layer (8µm) protective coating provides rust protection on 100% of the non-braking surface
-   100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
-   Cross-Hatched smooth surface to improve the pad's ability to grip the rotor surface, especially during initial brake applications or in wet conditions
-   Double disc ground finish eliminates lateral run-out and DTV (disk thickness variation) issues on the rotor and improves pad-rotor bed-in
-   Tested for maximum tolerance to voluminous amount of constant thermal cycles

### Package include:

-   2x Disc Brake Rotor

### Vehicle Fitment

**Fitment Summary:** 1997-2006 Audi A4, Audi A4 Quattro, Audi S4, Audi S6, Audi A6, Audi A6 Quattro

**Position:** Front

-   2002-2006 Audi A4 — Position: Front | Note: With 312mm Diameter Front Rotor
-   2002-2006 Audi A4 Quattro — Position: Front | Note: With 312mm Diameter Front Rotor
-   2002 Audi S4 — Position: Front | Note: With 312mm Diameter Front Rotor
-   2002-2003 Audi S6 — Position: Front | Note: With 312mm Diameter Front Rotor
-   2000-2004 Audi A6 — Position: Front | Note: With 312mm Diameter Front Rotor
-   2000-2004 Audi A6 Quattro — Position: Front | Note: With 312mm Diameter Front Rotor
-   1997-1999 Audi A8 — Position: Front
-   1997-2000 Audi A8 Quattro — Position: Front

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. This listing includes fitment data for 1997-2006 Audi A4, Audi A4 Quattro, Audi S4, Audi S6, Audi A6, Audi A6 Quattro.

**What part number is this?**  
The listed part number is KG-100177.

**Is this product designed for direct replacement?**  
Yes. This Disc Brake Rotor 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 Rotor for Audi A4
-   KG-100177 fitment
-   Genius Disc Brake Rotor
-   Front Disc Brake Rotor
-   1997-2006 Audi A4 Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2002

Audi

A4

Front

With 312mm Diameter Front Rotor

2003

Audi

A4

Front

With 312mm Diameter Front Rotor

2004

Audi

A4

Front

With 312mm Diameter Front Rotor

2005

Audi

A4

Front

With 312mm Diameter Front Rotor

2006

Audi

A4

Front

With 312mm Diameter Front Rotor

2002

Audi

A4 Quattro

Front

With 312mm Diameter Front Rotor

2003

Audi

A4 Quattro

Front

With 312mm Diameter Front Rotor

2004

Audi

A4 Quattro

Front

With 312mm Diameter Front Rotor

2005

Audi

A4 Quattro

Front

With 312mm Diameter Front Rotor

2006

Audi

A4 Quattro

Front

With 312mm Diameter Front Rotor

2002

Audi

S4

Front

With 312mm Diameter Front Rotor

2002

Audi

S6

Front

With 312mm Diameter Front Rotor

2003

Audi

S6

Front

With 312mm Diameter Front Rotor

2000

Audi

A6

Front

With 312mm Diameter Front Rotor

2001

Audi

A6

Front

With 312mm Diameter Front Rotor

2002

Audi

A6

Front

With 312mm Diameter Front Rotor

2003

Audi

A6

Front

With 312mm Diameter Front Rotor

2004

Audi

A6

Front

With 312mm Diameter Front Rotor

2000

Audi

A6 Quattro

Front

With 312mm Diameter Front Rotor

2001

Audi

A6 Quattro

Front

With 312mm Diameter Front Rotor

2002

Audi

A6 Quattro

Front

With 312mm Diameter Front Rotor

2003

Audi

A6 Quattro

Front

With 312mm Diameter Front Rotor

2004

Audi

A6 Quattro

Front

With 312mm Diameter Front Rotor

1997

Audi

A8

Front

1998

Audi

A8

Front

1999

Audi

A8

Front

## Details

- **Price:** 141.19 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 1997-2006 Audi A4, Audi A4, Automotive Parts, Brake Parts, Disc Brake Rotor, Front, Genius, KG-100177, Replacement Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 141.19 CAD | In stock |

## Images

- Genius KG-100177 Disc Brake Rotor for 1997-2006 Audi A4, Audi A4 Quattro and More - Front

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/genius-kg-100177-disc-brake-rotor-1997-2006-audi-a4)
> Updated: 2026-07-16