Audi A8 D4 4H Brake Caliper Front Rear Left Right N/O/S Wheel Brake Unit Set

Audi A8 D4 4H Brake Calipers and Brackets are a complete, used brake system unit designed for operation on both axles of the vehicle – front and rear, left and right sides. This set represents an original Audi solution, allowing you to maintain factory braking characteristics, vehicle stability, and predictable behavior in all conditions. By adhering to manufacturer specifications, this is a practical choice for repairing or restoring the stock braking system in the Audi A8 D4 (4H) generation.

Specifications and technical data

• SKU: 4G0615123B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0615123B
• Substitutable numbers: 4G0615123B, 4G0 615 123 B, 4G0 615 301 K, 4G0615301K, 4H05BD, 4G0 615 124 B, 4G0615124B, 4G0 615 403 A, 4G0615403A, 4G0 615 404 A, 4G0615404A, 8W0 615 601 K, 8W0615601K
• Location on the vehicle: Front, Rear, Left, Right
• Category: Calipers & Brackets

Intended Use and Kit Configuration

The presented set includes components from the Brake Calipers and Brackets category, prepared for installation on the front and rear axles, on both the left and right sides. This configuration allows for a consistent replacement of the entire caliper group on a single vehicle, simplifying servicing and ensuring uniform brake performance across all wheels.

The original Audi origin promotes compatibility with factory discs, pads, and other braking system components used in the Audi A8 D4 4H. The set is suitable for both routine maintenance repairs and for restoring the system after mechanical damage.

Benefits of Using Original Audi Calipers

Using original Audi brake calipers on the A8 D4 4H model allows you to maintain braking parameters in line with the manufacturer's design. The caliper construction is matched to the vehicle's weight, the distribution of braking forces between the front and rear, and the operation of assistance systems such as ABS and stability control.

• consistent braking characteristics on all wheels,
• maintenance of factory balance between the front and rear axles,
• proper cooperation with the stock brake master cylinder and vehicle electronics,
• easier diagnostics and servicing due to the use of OEM solutions.

For Audi A8 D4 4H owners, this translates to predictable vehicle behavior during braking, which contributes to driving line stability and driver comfort.

Characteristics of the Used Set

The offered set is from a dismantled vehicle and is sold as a used set of brake calipers. This type of solution is often chosen for repairs where maintaining the original construction is crucial, while also optimizing costs compared to new components. The set allows for the restoration of full brake system functionality while preserving the factory mounting geometry and guide pins.

Prior to installation, standard servicing procedures are recommended, such as inspecting the working surfaces, seals, guide pins, and bleeding the system after installation. This ensures that the full potential of the offered set can be utilized and uniform operation of all calipers is achieved.

Selection, Compatibility, and Technical Aspects

The set is designed for the Audi A8 D4 (4H) generation and has been engineered for operation in four mounting positions: front, rear, left, and right. When selecting, it is important to pay attention to compatibility with the body style and the braking system configuration used in the specific vehicle instance. Original manufacturer markings and available interchange numbers facilitate compatibility verification in service catalogs and parts selection systems.

A set configured in this manner is particularly useful when multiple calipers need to be replaced simultaneously – for example, after intensive use or mechanical damage. This allows for the maintenance of a uniform technical standard across the entire vehicle, which is important for the durability and even wear of pads and discs.

Expert Support and Additional Information

For users considering the installation of original, used brake calipers on their Audi, a guide on the economics and safety of such solutions may be particularly helpful. More practical tips can be found in the article Brake Calipers Under the Microscope: How to Effectively Reduce Brake System Repair Costs by Choosing Proven Used Parts, which discusses aspects such as selection, condition verification, and the cost-effectiveness of using dismantled components.

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