Audi A3 8Y Brake Pedal Mechanism Assembly Mount Bracket Unit 5Q2721143B

Audi A3 8Y Brake Pedal Mechanism Assembly Mount Bracket Unit is a factory assembly designed for vehicles equipped with an automatic transmission. This component is responsible for the precise transfer of pressure from the pedal to the braking system, ensuring predictable vehicle response and a stable brake feel for the driver. Thanks to its design, which complies with manufacturer standards, it is a solution technically matched to the interior architecture of the latest generation Audi A3.

Specifications and technical data

• SKU: RHD-5Q2721143B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q2721143B
• Substitutable numbers: 5Q2721143B, 5Q2 721 143 B, 5WC721058A, 5WC 721 058 A
• Gearbox type: Automatic
• Category: Pedal Assemblies, Pads & Parts

Purpose and compatibility with Audi A3 8Y

The described brake pedal assembly has been designed as an original part fitted in the Audi A3 8Y model, which guarantees proper geometry, correct mounting points, and compatibility with the factory braking system. The design dedicated to vehicles with an automatic transmission eliminates the need for an additional clutch pedal, simplifying installation in the space under the steering column and improving driver ergonomics.

Brake pedal assembly construction

The mechanism is a complete assembly including the bracket body, pedal arm, and mounting elements that work with the factory mounting points in the bodywork. The applied design ensures:

• stable pedal movement in a single operating path,
• a properly selected leverage ratio for pressure force,
• a rigid connection to the bodywork, limiting unwanted deflection.

As a result, the driver receives a repeatable, predictable brake feel, which is important both in daily city driving and during dynamic highway travel.

Functionality in vehicles with automatic transmission

In vehicles with an automatic transmission, the brake pedal assembly plays a key role in operating the drivetrain and safety systems. The properly selected pedal travel and operating characteristics support:

• smooth vehicle stopping when changing the transmission selector position,
• cooperation with electronic brake assist systems,
• comfortable modulation of braking force in city traffic and on the highway.

The factory design of the assembly ensures consistent operation with other components of the Audi braking system, which translates into seamless integration with the vehicle's existing installation.

Condition of the part and benefits of using a used component

The offered brake pedal mechanism is a used part, sourced from dismantling, which allows for an economical repair or replacement of a damaged component while maintaining the original manufacturer's specifications. Choosing this solution means:

• maintaining factory fitment to the body and interior structure,
• cost reduction compared to a new subassembly,
• the ability to quickly restore full functionality of the braking system.

For workshops and individual users, this means a practical combination of OEM quality with a reasonable service budget.

Integration with other Audi pedal zone components

Replacing the brake pedal assembly often involves inspecting other components within the Pedals, pedal pads, and footrests area. If you are planning a comprehensive repair or upgrade of the driver's footrest area in your Audi and need other parts from the same group, such as pedal pads, additional footrests, or complete pedal assemblies, check the available parts in the Audi pedals, pedal pads, and footrests category.

Technical support and service knowledge

When performing service work on vehicle systems, it is worth using reliable sources of knowledge, especially in the context of the impact of individual components on safety and operational durability. Additional information regarding the optimal approach to repairs and the selection of used components can be found in our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which shows how to consciously use parts from the secondary market in daily car operation.