Audi A4 B9 A6 C8 Rear Electric Brake Caliper Bracket Housing Left N/S 8W0615403N

Audi A4 B9 A6 C8 Rear Electric Brake Caliper Bracket Housing Left N/S is an original component from the Brake calipers and brackets group, designed for use with the rear electric parking brake. The design, tailored to the specific axle and side of the vehicle, ensures proper caliper guidance, stable mounting, and correct geometry of the braking system.

Specifications and technical data

• SKU: 8W0615403N
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0615403N
• Substitutable numbers: 8W0615403N, 8W0 615 403 N
• Location on the vehicle: Rear, Left
• Part type: Brake Caliper
• Category: Calipers & Brackets

Purpose and function in the braking system

The described bracket serves as a mounting base for the rear electric brake caliper on the left side. Its task is to keep the caliper in the correct position relative to the disc so that the braking force is evenly distributed and the pads operate with the correct pressure. Precise fitment to the specific axle and side of the vehicle reduces the risk of caliper misalignment, uneven pad wear, and improper operation of the electric parking brake.

Original origin and fitment for Audi

As an Audi brand component, the bracket has been designed to meet the factory requirements of the A4 B9 and A6 C8 generation models. This ensures the retention of correct mounting points, appropriate rigidity, and compatibility with standard electric calipers used on the rear axle. The original geometry supports vehicle stability during braking and facilitates installation – the mechanic does not need to make any structural modifications.

Characteristics of the used component

The bracket comes from a used vehicle, which in practice means it is a part with proven performance in real road conditions. This type of component, provided the mounting surfaces are in good condition, is successfully suitable for further use, representing a reasonable compromise between repair costs and maintaining the factory specifications of the braking system. Replacing the bracket itself is particularly important in situations where there has been mechanical damage, corrosion in the mounting area, or problems with proper caliper guidance.

Benefits of using an original caliper bracket

Using a factory-original rear electric caliper bracket on the left side allows you to:

• maintain compliance with the factory design of the Audi braking system,
• preserve the correct position of the caliper relative to the disc and pads,
• minimize the risk of noise, vibrations, and uneven wear of friction elements,
• facilitate installation thanks to standard mounting points and predictable geometry.

For workshops and users, this means a predictable repair result without the need to adapt replacements of uncertain specifications.

Technical support and selection of used calipers

When working with an electric parking brake, it is particularly important to correctly select the bracket and the caliper that works with it. To better understand how to safely use reclaimed parts and how to optimize service costs, it is worth consulting specialist materials. Practical tips on the selection, verification, and operation of such components can be found in the article Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing proven reclaimed parts.

If you are planning a comprehensive repair or upgrade of the braking area in your Audi and need other elements from the same group, such as brackets, caliper housings, or guide supports, check the available parts in the Audi brake calipers and brackets category.