Audi S3 8P Rear Brake Caliper Housing Carrier Left N/S 310x22mm 8J0615423E

Audi S3 8P Rear Brake Caliper Housing Carrier Left N/S 310x22mm is an original brake system component designed for the rear left axle of Audi sports models. The robust construction of the housing ensures stable brake pad guidance and consistent brake performance, which translates into safe and predictable braking during both daily and dynamic driving. This is a solution for users looking for a proven, used part with factory geometry and fitment.

Specifications and technical data

• SKU: 8J0615423E
• Mark: Audi
• Condition: Used
• OEM Part Number: 8J0615423E
• Substitutable numbers: 8J0615423E, 8J0 615 423 E
• Location on the vehicle: Rear, Left
• Rim width: 8
• Category: Calipers & Brackets

Purpose and brake system compatibility

The presented caliper housing is designed to operate in the rear section of the vehicle, on the left side, within a brake system featuring a disc of appropriately matched diameter and thickness. By maintaining factory dimensions and mounting points, the component works with original brackets, carriers, and brake lines, which facilitates installation and reduces the risk of issues with caliper geometry.

Such a solution allows for maintaining the correct distribution of braking force between the axles, which is important for both braking efficiency and the operation of assistance systems such as ABS or ESP. Stable brake pad guidance within the housing promotes even wear of the pads and discs, thereby reducing the risk of vibrations and a decrease in comfort during braking.

Housing construction and operating characteristics

The caliper housing belongs to a group of components that withstand high mechanical and thermal loads, which is why its construction is based on a massive, rigid casting. This design minimizes deflection during intense braking and helps maintain a constant operating gap between the pad and the disc. In practice, this means a more consistent brake pedal response and better vehicle control.

A properly selected rear caliper housing is also significant for the operation of the parking brake, which in many designs utilizes the same caliper assembly. Maintaining the factory geometry and alignment of the component promotes the correct operation of the handbrake mechanism, which translates into secure immobilization of the vehicle when parked.

Using a pre-owned caliper housing

Choosing a used brake caliper housing is a reasonable compromise between costs and maintaining original manufacturing quality. A component sourced from a factory brake system disassembly is an attractive alternative to aftermarket replacements of uncertain specifications, especially in high-performance vehicles where braking stability is of key importance.

Before installation, standard service maintenance is recommended, including inspection of guide surfaces, seal seats, and threads, as well as the use of new consumables (seals, bolts, high-temperature greases) in accordance with the vehicle manufacturer's procedure. A housing prepared in this way can effectively work with new pads and discs, ensuring consistent operation of the entire brake system.

Technical support and repair cost optimization

If you want to better understand how to safely use original, used brake system components and how to reduce service costs through them, it is worth checking out expert material. Practical tips regarding the selection, verification, and installation of such components can be found in the article Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven recycled parts, which discusses the most important aspects of operating used calipers in an accessible way.

Audi brake system expansion

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 housings, carriers, or caliper mounts, check out the available parts in the Audi brake calipers and carriers category.

Summary

Audi S3 8P Rear Brake Caliper Housing Carrier Left N/S 310x22mm is a proposal for drivers who expect factory fitment, predictable brake performance, and reasonable service costs. A properly prepared used housing allows for restoring the correct operation of the rear brake system, maintaining the characteristics intended by the vehicle manufacturer and ensuring safe, consistent braking across a wide range of road conditions.