Audi Q5 8R Brake Master Cylinder Servo 8R0612103D

Visual condition of the part

The product shows signs of use visible in the photos.

Audi Q5 8R Brake Master Cylinder Servo is an original brake system component designed to work with the brake master cylinder in the Audi Q5 8R generation model. As part of the Brake Servos and Proportioning Valves group, it ensures stable brake pedal assistance and predictable braking force characteristics during daily operation.

Specifications and technical data

• SKU: 8R0612107B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8R0612107B
• Substitutable numbers: 8R0612107B, 8R0 612 107 B, 8R0612103D, 8R0 612 103 D
• Category: Brake Servos

Purpose and function in the brake system

The presented brake servo is designed as a component that works with the brake master cylinder in the Audi Q5 8R, responsible for increasing the force applied to the cylinder piston while maintaining a comfortable pedal travel. Thanks to the use of an OEM design, the system retains its factory operating characteristics, which translates into predictable vehicle behavior during braking.

The original design ensures:

• consistency with the factory Audi brake system,
• properly calibrated assistance characteristics,
• stable operation in typical road conditions.

Benefits of using an original Audi servo

Choosing an original brake servo from the Brake Servos and Proportioning Valves group allows you to maintain the operating parameters of the system as intended by the vehicle manufacturer. This is important both for braking efficiency and for compatibility with safety systems such as ABS or ESP, which rely on specific pressure characteristics in the brake circuits.

The main advantages of using this component include:

• factory fitment for the Audi Q5 8R brake system,
• maintenance of a predictable brake pedal engagement point,
• consistency with original hydraulic and electronic equipment.

Installation and operational characteristics

The brake servo has been prepared as an OEM component for installation in place of the factory unit, which facilitates workshop work and limits the need for system modifications. The design intended for use with the Audi Q5 8R brake master cylinder allows for the retention of original line routing and mounting points.

Before installation, a standard workshop procedure is recommended, including checking the vacuum system for leaks, verifying the condition of the brake lines, and bleeding the system after the work is completed. This approach allows you to fully utilize the stable assistance characteristics that this component offers.

Condition and origin of the part

The offered Audi brake servo comes from original production intended for this model and is a secondary market component. A used OEM unit is a solution that allows you to maintain the factory operating parameters of the brake system while optimizing repair costs. For many users, this is a reasonable compromise between quality and service budget.

If you want to better understand how to select used OEM components and how to plan the service of comfort and safety systems in your vehicle, the article on our blog will be helpful: Air conditioning and heating – part selection and maintenance for year-round comfort, which describes practical principles for selecting original elements from the secondary market.

Expanding the Audi brake system

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 servos, proportioning valves, or related assistance elements, check the available parts in the Audi Brake Servos and Proportioning Valves category.

In the context of long-term vehicle operation, it is also worth paying attention to the impact of using original components on the car's resale value – this is discussed in more detail in the post: Original used parts vs. car resale price – how not to lose money?, which shows why maintaining consistency with factory specifications is important not only technically but also financially.