Audi S1 8X Brake Caliper Front Left Right N/O/S Wheel Brake Unit Set 8X0615124C

Audi S1 8X Brake Caliper Front Left Right N/O/S Wheel Brake Unit Set is an original component from the Brake Calipers and Brackets group, designed for operation on the vehicle's front axle. The product was engineered by Audi to ensure stable, predictable, and consistent braking system performance under demanding road conditions.

Specifications and technical data

• SKU: 8X0615123C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8X0615123C
• Substitutable numbers: 8X0615123C, 8X0 615 123 C, 8X0615124C, 8X0 615 124 C
• Location on the vehicle: Front, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper belongs to the factory group of components responsible for generating braking force on the front axle, with a dedicated placement on the left side. Such positioning ensures proper pad guidance relative to the disc, correct piston operation, and compatibility with the suspension and hub geometry of the Audi S1 8X model.

The design solution intended for the front axle allows for efficient heat dissipation, stable pad guidance, and the maintenance of uniform pressure during intensive braking, which translates into predictable vehicle behavior.

Technical and functional characteristics

The caliper from this series was developed as a component of a system with sporty characteristics, typical for the S1 version. It includes a housing integrated with a mounting bracket, adapted to work with factory Audi brake discs and pads. The design provides for proper pad guidance, a mounting point for the brake line, and correct sealing of the moving working elements.

Its original Audi origin means that factory dimensional tolerances are maintained, which facilitates installation in place of a worn or damaged caliper without the need for modifications. This makes it possible to restore the serial performance parameters of the braking system without interfering with other components.

Condition, origin, and service application

The item comes from disassembly and is offered as a used part, which allows for an economical yet technically sound repair of the braking system. This type of component is particularly useful in situations where there has been mechanical damage to the caliper, seized guide pins, or excessive wear of the working elements.

Replacing the caliper with an original equivalent from the same series allows for maintaining the material and structural consistency of the entire system, which is important for high-performance vehicles such as the Audi S1 8X. This solution works well both in routine repairs and during comprehensive renovation of the front brake axle.

Benefits of using an original Audi caliper

Using a factory caliper from the Audi group ensures:

• consistency with other components of the braking system,
• maintenance of the braking characteristics intended by the manufacturer,
• easier installation thanks to matching serial mounting points,
• the ability to use standard pads and discs intended for this configuration.

For users who want to take a conscious approach to purchasing disassembled parts, a guide describing the procedures for verifying and selecting brake components will be helpful – detailed tips can be found in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?.

Expanding the Audi braking 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 mounting holders, check the available parts in the Audi Brake Calipers and Brackets category.

When deciding on the choice of disassembled parts, it is also worth considering the differences between refurbished and used original elements – a practical comparison of these solutions can be found in the material Refurbished or used original – which part to choose for repairs?, which will facilitate the selection of a service strategy tailored to your vehicle and driving style.