# Transit Auto K8A-100940 Rear Disc Brake Kit for 2009 Audi A4 Quattro

### Performance Overview

Transit Auto offers the most comprehensive and highest-quality replacement kits on the market. Thanks to our cutting-edge AI, in-house product team, and proprietary fitment data, we are able to build and deliver the most accurate kits on the market. All our kits include the highest-quality parts on the market, sourced directly by Transit and its sub-brands. Backed by over 50 years of experience and with in-house quality assurance, every customer Transit Auto K8A-100940 is a vehicle-specific disc brake kit designed for compatible applications for 2009 Audi A4 Quattro.

### Key Features

-   AmeriBRAKES pads are engineered with vehicle-optimized formulas matching OE specs for optimal braking
-   Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched
-   Exclusive carbon enhanced materials to ensure optimal all-condition performance
-   100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
-   1:1 OE Design - Chamfered and slotted only when applicable to ensure safety and perfect fit

### Vehicle Fitment

**Fitment Position:** Rear

**Fitment Summary:** 2009 Audi A4 Quattro

**Position:** Rear

-   2009 Audi A4 Quattro — Position: Rear; Fitment Precision: Convertible; Note: With 300mm Diameter Rear Rotor

### FAQ

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

**What part number is this?**  
The listed part number is K8A-100940.

**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 Kit for A4 Quattro
-   Disc Brake Kit for Audi A4 Quattro
-   K8A-100940 fitment
-   Transit Auto Disc Brake Kit
-   Rear Disc Brake Kit
-   2009 Audi A4 Quattro Disc Brake Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2009

Audi

A4 Quattro

Rear

Convertible

With 300mm Diameter Rear Rotor

## Details

- **Price:** 137.91 CAD
- **Vendor:** Transit Auto
- **Type:** Disc Brake Kit
- **Tags:** 2009 Audi A4 Quattro, 2009-2009-audi-a4-quattro-brakes-rear-convertible-with-300mm-diameter-rear-rotor-esi4340677, Automotive Parts, Daily Driver, Direct Replacement, Disc Brake Kit, Disc Rotors and Ceramic Brake Pads Kit, K8A-100940, Rear, Transit Auto, Transit Auto K8A-100940, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 137.91 CAD | In stock |

## Images

- Transit Auto K8A-100940 Disc Brake Kit for 2009 Audi A4 Quattro - Rear product image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/transit-auto-k8a-100940-disc-brake-kit-for-2009-audi-a4-quattro-rear-k8a-100940)
> Updated: 2026-07-15