Audi A8 D4 Brake Caliper Front Right O/S Wheel Braking Unit 4G0615124B

Visual condition of the part

The product shows signs of use visible in the photos. Audi A8 D4 Brake Caliper Front Right O/S Wheel Braking Unit is an original braking system component designed for installation on the front axle, passenger side. As part of the Brake Calipers and Brackets group, it ensures proper cooperation with factory discs and pads, maintaining stable braking performance. Using an OEM component allows for a technically correct repair without interfering with the system's design.

Specifications and technical data

• SKU: 4G0615124B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0615124B
• Substitutable numbers: 4G0615124B, 4G0 615 124 B
• Location on the vehicle: Front, Right
• Category: Calipers & Brackets

Purpose and fitment

The offered caliper has been designed specifically for the Audi A8 D4 generation model, taking into account the suspension geometry, disc diameter, and the braking system characteristics of this luxury sedan. The placement on the vehicle is front, right side, which means the component works with the right front wheel and is adapted to the factory steering knuckle mounting and brake line. Such structural fitment reduces the risk of installation issues, minimizes the need for modifications, and allows for maintaining factory operating parameters, including even distribution of braking force between the left and right sides.

Technical and functional characteristics

The Audi A8 D4 Brake Caliper Front Right O/S Wheel Braking Unit is responsible for precisely pressing the pads against the disc, stabilizing braking force, and maintaining proper temperature distribution during intensive use. The OEM design ensures:

• correct guidance of brake pads in the carrier,
• appropriate rigidity of the caliper body,
• compatibility with the factory brake line and bleeder screw,
• preservation of the stock brake pedal feel. As a result, the braking system maintains predictable behavior, which is particularly important in a heavy, fast premium sedan like the Audi A8.

Benefits of choosing an original, used caliper

Choosing an original Audi brake caliper in used condition is a solution that allows you to combine cost control with maintaining factory specifications. Compared to aftermarket replacements of uncertain origin, the OEM component offers:

• dimensional compatibility with the factory mounting and disc,
• predictable operating parameters in the ABS/ESP system,
• no need for adaptation or installation modifications. This is particularly beneficial for repairs of high-end vehicles, where maintaining the original handling and braking characteristics is crucial. The used condition also allows for significant cost savings compared to purchasing a new component.

Professional selection and operation

To fully utilize the potential of the offered caliper, installation in a specialized workshop is recommended, following procedures for bleeding the system and checking cooperating components (discs, pads, lines). A correctly selected and installed caliper contributes to stable, repeatable braking, which directly affects driving safety. If you want to better understand why original used brake calipers are a safe and economical choice, it is worth reading the guide: Brake calipers under the microscope – how to lower braking system repair costs by choosing proven recycled parts.

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, carriers, or mounting brackets, check out the available parts in the Audi Brake Calipers and Brackets category. For drivers who want to further optimize service costs while maintaining OEM quality, the following article may also be helpful: how to save on car repairs by wisely choosing used parts.