Audi S4 B9 S5 F5 Front Brake Caliper Housing 375x36mm Black Left N/S 8W0615107AJ

Audi S4 B9 S5 F5 Front Brake Caliper Housing 375x36mm Black Left N/S is an original brake system component designed for installation on the left side of the front axle in petrol-engine vehicles. Thanks to its robust construction and black finish, it is an attractive choice for both repairs and upgrades of the brake system in high-end Audi models.

Specifications and technical data

• SKU: 8W0615107AJ-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0615107AJ
• Substitutable numbers: 8W0615105ES, 8W0 615 105 ES, 8W0615107AJ, 8W0 615 107 AJ
• Location on the vehicle: Front, Left
• Fuel type: Petrol
• Part type: Brake Caliper & Bracket
• Color: Red
• Category: Calipers & Brackets

Purpose and fitment

The presented caliper belongs to the Brake calipers and carriers group and has been designed specifically for operation on the front, left side of the vehicle. The design is adapted to work with large-diameter discs, which allows for effective heat dissipation and stable, repeatable braking in high-performance vehicles. The component is intended for Audi vehicles with petrol engines, ensuring consistency with the factory brake system configuration in the sporty S4 B9 and S5 F5 models. This maintains the correct operating characteristics of the system, ensuring that the brake pedal response remains predictable and in accordance with the manufacturer's specifications.

Construction and performance parameters

The caliper features a design adapted for use with increased-thickness discs, which translates into high resistance to overheating during intensive use. The solid housing ensures proper rigidity, reducing deflection under high system pressure and thereby improving braking force stability. The black finish emphasizes the sporty character of the S4 and S5 models while improving the aesthetics of the wheel area – especially when paired with open-design rims. This is a solution often chosen by drivers who expect not only efficient but also visually appealing braking systems.

Benefits of using an original used caliper

An original dismantled caliper allows you to maintain the factory performance parameters of the brake system while reducing costs compared to new components. Factory fitment to the hub, carrier, and other system elements minimizes the risk of installation issues and eliminates the need for modifications. Choosing a used OEM component is particularly beneficial for post-collision repairs or when replacing a single damaged caliper, where maintaining component consistency on both sides of the axle is crucial. This solution helps maintain uniform brake operation and proper braking force balance. If you want to better understand how to safely use aftermarket parts and how to optimize service costs, it is worth reading our guide: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing verified recycled parts.

Application in the Audi braking zone

This brake caliper has been developed for dynamic driving, typical of the S versions of Audi models. Installation on the left side of the front axle ensures proper pad alignment relative to the disc and stable system operation across the full range of operating temperatures. As a result, the driver receives precise control over the vehicle in both city traffic and highway driving. 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 calipers, carriers, or brackets, check out the available parts in the Audi brake calipers and carriers category.

Summary

The Audi S4 B9 S5 F5 Front Brake Caliper Housing 375x36mm Black Left N/S in a black finish is a functional, original brake system component that combines high braking efficiency with attractive styling. Its intended use for petrol vehicles and fitment for the front left axle guarantees compatibility with the factory configuration and facilitates installation in a professional service center or specialized workshop.