Volkswagen EOS 1F Brake Servo Booster Master Cylinder Unit 1K2614105AL

Volkswagen EOS 1F Brake Servo Booster Master Cylinder Unit is an original component from the Brake Servos and Proportioning Valves group, designed for the braking system of Audi/Volkswagen Group vehicles. This OEM solution ensures stable transmission of force to the brake pedal, which translates into predictable, safe, and comfortable operation of the entire system.

Specifications and technical data

• SKU: RHD-1K2614105AL
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K2614105AL
• Substitutable numbers: 1K2614105AL, 1K2 614 105 AL, 1K2611301C, 1K2 611 301 C
• Part type: Brake Servo & Master Cylinder
• Category: Brake Servos

Technical characteristics and intended use

The presented brake servo and master cylinder unit has been designed as a factory brake system component for the Volkswagen EOS 1F model, following the standards used by the Audi brand. The design combines a vacuum booster and a master cylinder in a single housing, which facilitates installation and maintenance while reducing the number of connections in the system.

This component is responsible for increasing the force applied by the driver to the brake pedal and for precise metering of pressure in the brake circuits. This allows for achieving consistent braking characteristics, which is essential both in daily use and during dynamic driving.

Benefits of using an original servo with master cylinder

Using a factory brake servo and master cylinder unit instead of a worn or damaged part allows for the restoration of the original braking system performance parameters. The original design ensures:

• consistency with the factory brake pedal feel,
• proper cooperation with other system components,
• maintenance of proper rigidity and tightness of connections,
• easier diagnostics during subsequent inspections.

For workshops and users, this means a lower risk of compatibility issues and a predictable result after replacement, without the need for system modifications.

Part condition and use in service practice

The offered brake servo and master cylinder unit is a used part, making it an attractive cost-effective alternative while maintaining factory specifications. This type of component is particularly useful for:

• repairs after brake booster system failure,
• resolving "soft" brake pedal issues resulting from master cylinder wear,
• comprehensive brake system renovation in vehicles used intensively.

Thanks to the preservation of original geometry and mounting points, installation in place of the factory component is straightforward and predictable for an experienced mechanic.

Part selection by numbers and interchangeability

This brake servo and master cylinder model has an assigned OEM number and interchangeable numbers, which facilitates clear identification in parts catalogs and service systems. When selecting, it is always recommended to compare the markings with the currently installed part or vehicle documentation to ensure full structural and hydraulic compatibility.

In workshop practice, using original markings helps reduce the risk of installing the wrong variant, especially in cases of differences resulting from engine or equipment versions.

If you are planning a comprehensive repair or upgrade of the braking area in your Audi and need other elements from the same group, such as servos, brake proportioning valves, or complete booster units, check the available parts in the Audi Brake Servos and Proportioning Valves category.

Safety, operation, and technical knowledge

A properly functioning brake servo and master cylinder have a direct impact on braking distance, vehicle stability, and the comfort of assistance systems. After installation, it is recommended to perform the system bleeding procedure and check all connections for leaks, as well as verify brake pedal operation during a test drive.

For users who want to deepen their knowledge about the selection and operation of vehicle components, the guide on comfort and climate systems may be helpful – you can find it in the article Air conditioning and heating – part selection and maintenance for year-round comfort, where practical principles of working with used OEM components are discussed, which are also useful when planning other vehicle repairs.