Audi S4 B7 Front Brake Caliper Wheel Brake Unit Housing Right O/S Red 8E0615124B

Audi S4 B7 Front Brake Caliper Wheel Brake Unit Housing Right O/S Red in a red finish is an original brake system component designed for installation on the front axle on the passenger side. Thanks to its factory Audi design, it ensures precise fitment, stable brake pad operation, and predictable vehicle behavior during intensive braking. As a part of the Brake Calipers and Brackets group, it serves as a solid foundation for restoring the full efficiency of the brake system in the S4 B7 version.

Specifications and technical data

• SKU: 8E0615124B-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0615124B
• Substitutable numbers: 8E0615124B, 8E0 615 124 B
• Location on the vehicle: Front, Right
• Category: Calipers & Brackets

Intended use and vehicle fitment

The presented caliper has been designed specifically for operation on the front right side of the Audi S4 B7 generation brake system. This means compatibility with factory mounting points, correct geometry relative to the brake disc, and proper guidance of the brake pads. The housing and bracket construction is adapted to the stock mounting points, which facilitates service and reduces the risk of compatibility issues.

Technical characteristics and construction

The caliper housing forms a rigid, deformation-resistant structure that stabilizes the brake pad relative to the disc and helps maintain uniform pressure during braking. The red finish gives the component a sporty character while facilitating visual inspection of the caliper condition through the wheel rim. The applied construction is adapted to the loads typical for the S4 version, where the brake system operates under elevated thermal and mechanical conditions. As an original Audi component, the caliper works with factory system parts – discs, pads, and brake lines – without the need for additional adapters. This solution is particularly beneficial for repairs where maintaining stock braking parameters and operational repeatability is essential.

Condition, origin, and benefits of choosing a used caliper

The offered caliper comes from the used original parts segment, which allows for combining factory build quality with a more cost-effective repair compared to new aftermarket replacements. Such components are frequently chosen by users who want to maintain the consistency of the brake system with the solutions provided by the vehicle manufacturer while controlling the service budget. To better understand how to safely select used brake system components and how to reduce service costs, it is worth reading the guide: Brake calipers under the microscope: how to choose verified recycled parts. The article discusses practical aspects of selecting and operating used calipers, which facilitates making an informed purchasing decision.

Application in service practice

The front right brake caliper in the red version will prove effective both for standard replacement of a damaged component and for restoring a complete, stock Audi S4 B7 brake system. Thanks to its factory design:

• it maintains the correct position of the pads relative to the disc,
• it ensures stable guidance during emergency braking,
• it allows for maintaining the system's operating characteristics in accordance with the manufacturer's specifications. This solution is particularly beneficial for repairs where the priority is the technical consistency of the entire brake system and predictable vehicle behavior under road conditions.

Expanding the Audi brake system

If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other elements from the same group, such as additional calipers, brackets, or supports, check the available parts in the Audi Brake Calipers and Brackets category.

Summary

Audi S4 B7 Front Brake Caliper Wheel Brake Unit Housing Right O/S Red is an original component intended for direct installation in the front axle brake system. It combines factory fitment, sporty styling, and predictable operating parameters, making it a practical choice for repairs and restoring the stock brake configuration in the S4 B7 model.