Audi A4 B7 Throttle Accelerator Pedal Assembly Potentiometer 8E2721523E

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B7 Throttle Accelerator Pedal Assembly Potentiometer is a factory-made engine control system component, designed for precise integration with the electronic "drive by wire" system. The offered component from the Pedals, pedal pads and footrests category ensures stable mapping of the accelerator pedal position, which translates into predictable engine response and driving comfort. It is a practical solution for users looking for original geometry and ergonomics of the pedal operation in an Audi.

Specifications and technical data

• SKU: RHD-8E2721523E
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E2721523E
• Substitutable numbers: 8E2721523E, 8E2 721 523 E
• Category: Pedal Assemblies, Pads & Parts

Purpose and function in the powertrain

This accelerator pedal assembly with potentiometer is responsible for converting the driver's foot movement into an electrical signal transmitted to the engine control unit. This enables smooth torque delivery, stable engine operation, and consistent acceleration characteristics in the Audi A4 B7. The component's design was developed by the vehicle manufacturer, ensuring proper positioning relative to the floor, appropriate travel, and predictable pedal resistance.

Construction and performance parameters

The assembly includes the pedal body and an integrated potentiometer, forming a complete module for installation in the driver's footwell. This solution minimizes the risk of play, non-linear operation, or signal interference that could occur when using non-original replacements. Stable electrical characteristics translate into repeatable pedal position readings, which is essential both for driving comfort and for the proper operation of driver assistance systems.

The offered element comes from a used vehicle, therefore, before reinstallation, it is standard practice to check the correctness of the mounts, connectors, and operating range. A used OEM component often represents a favorable compromise between cost and maintaining the manufacturer's original specifications.

Benefits of using an original accelerator pedal

Using a factory accelerator pedal module in an Audi allows you to maintain:

• compliance with factory engine control characteristics,
• proper fit to the body mounts,
• ergonomic positioning of the driver's foot,
• consistent operation with the existing electrical harness and control unit.

For many users, it is important that the original pedal group element reduces the risk of issues with control unit errors, uneven throttle response, or the need for additional adaptations. This solution is particularly recommended for repairs where maintaining the vehicle's factory parameters is a priority.

Selection, installation, and additional technical information

When selecting an accelerator pedal for an Audi A4 B7, it is crucial to compare the part numbers and the type of electronic system used in the specific vehicle. In practice, this means verifying compatibility with your model, production year, and trim level. The module is installed in the driver's footwell and requires correct seating in the factory mounting points and proper connection of the electrical connector.

If you are planning a comprehensive repair or upgrade of the footwell area in your Audi and need other elements 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 operation

After installation, it is recommended to perform a test drive and, if necessary, an adaptation in the engine control unit in accordance with the service procedures for the given Audi model. This allows you to confirm the correct response to pedal input, linear acceleration, and the absence of errors stored in the control unit's memory. For vehicles with higher mileage, it is also worth periodically checking the mechanical condition of the pedal mounts and the cleanliness of the footwell area to limit the impact of contaminants on the module's operation.

For drivers interested in a broader context of using aftermarket components, including powertrain elements, the following practical guide may be helpful: When is it worth replacing an alternator with a used one: a practical guide for drivers. It allows you to better understand what to look for when choosing used components and how to evaluate their cost-effectiveness in vehicle operation.