Audi S6 C6 Rear Brake Caliper Wheel Brake Housing Left N/S 4F0615403E

Audi S6 C6 Rear Brake Caliper Wheel Brake Housing Left N/S is an original component from the Brake Calipers and Brackets group, designed for installation on the rear axle on the driver's side. This solution is designed to maintain factory braking parameters, stability, and predictable vehicle behavior during both daily and dynamic driving.

Specifications and technical data

• SKU: 4F0615403E-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0615403E
• Substitutable numbers: 4F0615403E, 4F0 615 403 E
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is designed to work on the rear axle on the left side, which is crucial for the correct distribution of braking forces in the Audi S6 C6. Proper placement on the vehicle ensures correct cooperation with the brake disc, pads, and hydraulic system, as well as compliance with factory suspension geometry and safety systems.

By maintaining the original design, the caliper ensures stable pad guidance relative to the disc, even wear of the friction material, and repeatable braking performance across a wide range of thermal loads.

Construction and technical characteristics

As an element from the Brake Calipers and Brackets category, this component is responsible for the precise transfer of pressure from the hydraulic system to the brake pads. The design provided by the manufacturer, Audi, ensures:

• appropriately selected body stiffness, limiting deformation under high operating pressure,
• stable pad guidance, which promotes even pressure on the disc,
• correct cooperation with the factory brake line and mounts in the steering knuckle.

The original origin from the Audi brand means maintaining compliance with factory dimensional tolerances, which facilitates installation and minimizes the risk of improper fitment with other system components.

Condition, verification, and service application

The item is offered as a used part, which allows for economical repair of the braking system while maintaining the manufacturer's original specifications. This type of component is particularly useful in situations where the existing caliper has suffered mechanical damage, corrosion, or shows uneven piston operation.

In service practice, such a caliper can be used both for standard replacement and for comprehensive renovation of the rear braking system, including discs, pads, and lines. The selection of the correct element for a specific version of the Audi S6 C6 should always be confirmed based on vehicle data and the part number in the technical specification.

Benefits of using an original Audi caliper

Using an original Audi brake caliper on the rear left side translates into a number of practical benefits:

• maintenance of factory braking characteristics and vehicle stability,
• secure fit to the steering knuckle, disc, and pads intended for the Audi S6 C6,
• easier installation thanks to compatibility with original mounting points,
• possibility of integration with the existing system without the need for installation modifications.

For the user, this means predictable vehicle behavior during braking, and for the workshop – an efficient installation process and a lower risk of operational problems after repair.

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 calipers, carriers, or mounting brackets, check the available parts in the Audi Brake Calipers and Brackets category.

Safe selection of used braking system components

When choosing a used brake caliper, it is worth paying attention to compatibility with the body version, model year, and vehicle equipment, as well as the condition of the working surfaces and guide elements. It is also good practice to combine the caliper replacement with an inspection of discs, pads, and lines so that the entire system works consistently.

If you want to organize the process of selecting and installing used brake components, a guide describing step-by-step what to look for when buying such parts will be helpful. Read the article Second-hand braking system: how to safely choose discs, calipers, and ABS? to better plan your car's service and consciously choose the right components.