Audi A4 B8 A5 8T 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 A4 B8 A5 8T Brake Caliper Front Rear Wheel Brake Unit Set Red Painted is a complete, used package of components from the Brake calipers and brackets category, designed for operation on the front and rear axles. The red-painted set allows for a consistent match across the entire braking zone, while providing an aesthetic, sportier look to the braking system. This is a solution for users expecting original Audi construction and technically correct installation in one step.

Specifications and technical data

• SKU: 8K0615403B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0615403B
• Substitutable numbers: 8K0615403B, 8K0 615 403 B, 8K0615404B, 8K0615123C, 8K0 615 123 C, 8K0615124C, 8K0 615 124 C
• Location on the vehicle: Front, Rear
• Color: Red
• Category: Calipers & Brackets

Purpose and compatibility of the set

The presented set of calipers has been designed for Audi A4 B8 generation and Audi A5 8T models, with consideration for operation on both the front and rear axles. This allows for the simultaneous replacement of all calipers in the vehicle, which facilitates maintaining uniform braking parameters and consistent operating characteristics of the entire system.

The original Audi origin promotes the preservation of factory mounting points, proper geometry, and correct cooperation with other braking system components, such as discs, pads, or lines. The set is particularly useful for comprehensive repairs or upgrades of the braking zone when maintaining compliance with the manufacturer's solutions is a priority.

Technical and construction characteristics

The calipers included in the set belong to the group of components responsible for generating the clamping force of the pads against the disc, which is why their construction must ensure stability, temperature resistance, and repeatability of operation. This product uses solutions typical for factory Audi systems, which translates into predictable behavior during emergency braking and in daily use.

The red color serves both a visual and practical function – it facilitates quick location of the component during inspection or service, while simultaneously giving the braking system a more dynamic character. The set includes calipers intended for installation on the front and rear of the vehicle, which helps avoid differences in construction and appearance between the axles.

Condition, verification, and practical application

The product is offered as a used brake caliper set, which means that a standard service check for leaks, freedom of movement of the guide pins, and the condition of the working surfaces is recommended before installation. Such components are often chosen for post-accident repairs, brake system regeneration, or when replacing worn calipers, where the priority is to maintain the original construction and operating parameters.

In practice, the set will work well both in daily use and in more demanding conditions, provided it is correctly installed and paired with appropriate discs and pads. Using the set for the front and rear facilitates maintaining an even distribution of braking force and reduces the risk of differences in operating characteristics between the axles.

Benefits of choosing original Audi calipers

By choosing this set, the user primarily gains factory fitment for the Audi braking system, which translates into correct cooperation with the existing brake master cylinder, lines, and assistance systems. This reduces the need for modifications and shortens installation time compared to universal solutions.

An additional advantage is the consistent, red color of all components, which can serve as a visual complement for open-design rims. The set allows for the simultaneous replacement of calipers on both axles, which is beneficial when planning a major brake system service or when upgrading the vehicle for a more distinctive look.

Expanding the brake system upgrade

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

For users who want to deepen their knowledge on the safe selection of used brake components, a guide describing the criteria for assessing technical condition, verification methods, and good purchasing practices will be useful – detailed tips can be found in the article Second-hand brake system: how to safely select discs, calipers, and ABS?.