# Genius KG-100180 Disc Brake Rotor for 2000-2009 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:** 2000-2009 Audi A4, Audi A4 Quattro, Audi A6, Audi S6, Audi A6 Quattro, Audi S4 **Position:** Front - 2009 Audi A4 — Position: Front | Fitment Precision: Convertible - 2009 Audi A4 Quattro — Position: Front | Fitment Precision: Convertible - 2007-2008 Audi A4 Quattro — Position: Front - 2005-2008 Audi A4 — Position: Front | Note: With 320mm Diameter Front Rotor - 2005-2006 Audi A4 Quattro — Position: Front | Note: With 320mm Diameter Front Rotor - 2004 Audi A6 — Position: Front | Note: With 321mm Diameter Front Rotor and With Single Piston Caliper - 2004 Audi S6 — Position: Front - 2003 Audi A6 — Position: Front | Note: With 321mm Diameter Front Rotor - 2002 Audi A6 — Position: Front | Note: With 321mm Diameter Front Rotor and With Single Piston Caliper - 2002-2004 Audi A6 Quattro — Position: Front | Note: With 321mm Diameter Front Rotor and With Single Piston Caliper ### 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 2000-2009 Audi A4, Audi A4 Quattro, Audi A6, Audi S6, Audi A6 Quattro, Audi S4. **What part number is this?** The listed part number is KG-100180. **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-100180 fitment - Genius Disc Brake Rotor - Front Disc Brake Rotor - 2000-2009 Audi A4 Disc Brake Rotor ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2009 Audi A4 Front Convertible 2009 Audi A4 Quattro Front Convertible 2007 Audi A4 Quattro Front 2008 Audi A4 Quattro Front 2005 Audi A4 Front With 320mm Diameter Front Rotor 2006 Audi A4 Front With 320mm Diameter Front Rotor 2007 Audi A4 Front With 320mm Diameter Front Rotor 2008 Audi A4 Front With 320mm Diameter Front Rotor 2005 Audi A4 Quattro Front With 320mm Diameter Front Rotor 2006 Audi A4 Quattro Front With 320mm Diameter Front Rotor 2004 Audi A6 Front With 321mm Diameter Front Rotor and With Single Piston Caliper 2004 Audi S6 Front 2003 Audi A6 Front With 321mm Diameter Front Rotor 2002 Audi A6 Front With 321mm Diameter Front Rotor and With Single Piston Caliper 2002 Audi A6 Quattro Front With 321mm Diameter Front Rotor and With Single Piston Caliper 2003 Audi A6 Quattro Front With 321mm Diameter Front Rotor and With Single Piston Caliper 2004 Audi A6 Quattro Front With 321mm Diameter Front Rotor and With Single Piston Caliper 2002 Audi S4 Front With 321mm Diameter Front Rotor 2002 Audi S6 Front With 321mm Diameter Front Rotor and With Single Piston Caliper 2003 Audi S6 Front With 321mm Diameter Front Rotor and With Single Piston Caliper 2001 Audi Allroad Quattro Front With Single Piston Caliper 2002 Audi Allroad Quattro Front With Single Piston Caliper 2003 Audi Allroad Quattro Front With Single Piston Caliper 2004 Audi Allroad Quattro Front With Single Piston Caliper 2005 Audi Allroad Quattro Front With Single Piston Caliper 2000 Audi A4 Front With 320mm Diameter Front Rotor ## Details - **Price:** 137.07 CAD - **Vendor:** Genius - **Type:** Disc Brake Rotor - **Tags:** 2000-2009 Audi A4, Audi A4, Automotive Parts, Brake Parts, Disc Brake Rotor, Front, Genius, KG-100180, Replacement Parts, Vehicle Fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 137.07 CAD | In stock | ## Images - Genius KG-100180 Disc Brake Rotor for 2000-2009 Audi A4, Audi A4 Quattro and More - Front --- > Source: [Standard Auto Part](www.standardautopart.com/products/genius-kg-100180-disc-brake-rotor-2000-2009-audi-a4) > Updated: 2026-06-10