Audi A3 8P Brake Servo Booster Master Cylinder 1.8 TFSI 1K2614105AT

Audi A3 8P Brake Servo Booster Master Cylinder 1.8 TFSI integrated with the master cylinder is a key component of the braking system in the 1.8 TFSI engine version. This original component from the Brake Servos and Proportioning Valves group ensures stable conversion of brake pedal pressure into system pressure, which translates into predictable and safe deceleration. This used OEM part is a sensible choice for drivers looking for a technically matched solution without the need to invest in a new part.

Specifications and technical data

• SKU: RHD-1K2614105AT-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K2614105AT
• Substitutable numbers: 1K2614105AT, 1K2 614 105 AT
• Category: Brake Servos

Purpose and function in the braking system

The brake servo integrated with the master cylinder in the Audi A3 8P is responsible for increasing the force applied to the pedal and precisely metering pressure in the brake circuits. By utilizing engine vacuum, the driver achieves significantly lower pedal resistance while maintaining high braking efficiency. In practice, this means:

• more predictable vehicle response to brake pedal input,
• stable system pressure during emergency braking,
• better vehicle control in emergency situations.

Benefits of using an original servo with master cylinder

The original element from the Brake Servos and Proportioning Valves group is structurally matched to the Audi body geometry and the characteristics of the braking system in the 1.8 TFSI version. This brings a number of practical benefits:

• factory fitment for mounts and brake lines,
• preservation of the stock brake pedal operating characteristics,
• no need for installation modifications when the part is correctly selected. For workshops and users, this means shorter installation time and a lower risk of issues with bleeding or leaks in the system.

Condition, verification, and preparation for installation

The item is offered as a used part, which allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. Before being offered for sale, such components are standardly verified for housing tightness, the condition of vacuum ports, and the operation of the master cylinder piston. As a result, the user receives a part prepared for further operation, suitable for installation in a professional service center. To maximize the period of trouble-free operation, it is worth ensuring proper system bleeding, checking the condition of the brake fluid, and performing regular inspections of the entire braking section. Additional practical tips on using used components can be found in the article How to extend the service life of used car parts?.

Selection and integration with the Audi braking system

When replacing the servo with the master cylinder in an Audi A3 8P, it is important to match the part to the specific vehicle configuration (engine type, equipment version, type of braking system). An original component with the correct catalog numbers facilitates identification and minimizes the risk of incompatibility with:

• brake pedal and linkage geometry,
• brake line layout,
• vacuum system in the engine bay. Such a match translates into stable operation of the entire system and limits the need for additional adjustments after installation.

Expansion and other Audi braking system components

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