Audi A8 4H Brake Caliper Front Rear Wheel Brake Unit Set Red Painted

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A8 4H Brake Caliper Front Rear Wheel Brake Unit Set Red Painted is a complete, used set of brake system components designed for installation on the front and rear axles of Audi vehicles. The set includes calipers for the left and right sides, and their red paint finish emphasizes the dynamic character of the car and improves the visual appeal of the wheels and the entire braking area.

Specifications and technical data

• SKU: 4H0615403-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0615403
• Substitutable numbers: 4H0615403, 4H0 615 403, 4H0615404, 4H0 615 404, 4G0615123B, 4G0 615 123 B, 4G0615124B, 4G0 615 124 B
• Location on the vehicle: Front, Rear, Left, Right
• Color: Red
• Category: Calipers & Brackets

Purpose and installation compatibility

The presented set belongs to the Brake calipers and brackets category and has been designed for use in the Audi A8 4H generation model. The design is intended for operation on both the front and rear axles, with the possibility of installation on the left and right sides, which facilitates the planning of comprehensive brake system maintenance in a single service process.

Thanks to the factory mounting geometry and properly selected connection points, the calipers ensure correct positioning relative to the brake disc and brake lines, which translates into stable, repeatable system performance during daily operation.

Technical and functional characteristics

The brake calipers in this set are OEM components, which means the original Audi brake system performance characteristics are maintained. The used construction ensures:

• properly selected pad-to-disc clamping force,
• even pressure distribution on both sides of the disc,
• stable pad guidance in the carriers,
• ability to operate within the factory operating temperature range.

The arrangement of the calipers for front/rear and left/right sides allows for maintaining the proper balance of braking forces between the axles, which is crucial for safety and predictable vehicle behavior during emergency braking as well as in daily city and highway traffic.

Visual finish – red paint

An important feature of the set is the red color of the calipers. The paint serves both an aesthetic and practical function – it improves the appearance of the wheel area, especially with open-design rims, while also providing an additional protective layer against external factors. Red calipers are often chosen by users who want to emphasize the sportier character of their Audi A8 without interfering with the factory design of the brake system.

Such a finish blends well with bodywork in various colors, creating a distinct yet still elegant visual accent, characteristic of more powerful and better-equipped model versions.

Condition, origin, and benefits of choosing used parts

The caliper set is a used item, which allows for significantly reducing the cost of brake system maintenance compared to purchasing new OEM components. With proper installation and the use of appropriately selected discs and pads, used calipers can still provide stable performance parameters and predictable operation in daily use.

Choosing original, used calipers for an Audi is a beneficial solution for drivers who expect factory fitment and the preservation of original braking characteristics, while also wanting to optimize the budget allocated for vehicle service.

Safe selection of used brake system components

When assembling a brake system from used components, it is worth following proven procedures for verifying technical condition and compatibility. A detailed list of aspects to pay attention to when purchasing discs, calipers, and ABS components can be found in the article: Second-hand brake system: how to safely select discs, calipers, and ABS?.

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, carriers, or mounting brackets, check the available parts in the Audi brake calipers and brackets category.