Audi A4 B7 2.0 TDI Throttle Pedal Accelerator Gas Assembly Unit 8E2721523J

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B7 2.0 TDI Throttle Pedal Accelerator Gas Assembly Unit is an original component from the Pedals, pedal pads and footrests group, designed for precise acceleration control in your Audi. The integrated electronic potentiometer ensures stable signal transmission to the engine control unit, which translates into predictable drivetrain response and comfortable operation of the gas pedal.

Specifications and technical data

• SKU: RHD-8E2721523J
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E2721523J
• Substitutable numbers: 8E2721523J, 8E2 721 523 J, KD
• Category: Pedal Assemblies, Pads & Parts

Purpose and function in the drivetrain

The presented gas pedal with potentiometer is a component of the electronic throttle control system in the Audi A4 B7 generation. It is responsible for converting the driver's foot movement into an electrical signal sent to the engine control unit. This enables smooth torque delivery, stable engine operation, and proper interaction with assistance systems such as traction control or electronic stability programs.

A properly selected and functional gas pedal potentiometer reduces the risk of jerking when starting, improves the predictability of throttle response, and supports smooth acceleration across the entire rev range. This is particularly important in daily use, but also during dynamic driving, where consistent vehicle behavior is essential.

Construction and fitment for Audi A4 B7

This component has been designed specifically for the interior architecture of the Audi A4 B7, ensuring the correct pedal position relative to the seat, steering column, and other controls. The ergonomic shape of the pedal surface facilitates precise foot operation, and the mounting geometry is adapted to the factory mounting points in the vehicle body.

The electronic potentiometer integrated with the pedal works with the vehicle's factory electrical system. Properly selected signal characteristics allow for a smooth transition from idle to full load, which translates into comfortable and predictable acceleration. Using an original solution allows for maintaining consistency with the factory engine control unit calibration.

Characteristics of the used component

The product is offered as a used part, meaning it has been removed from a vehicle and was previously in service. Such components are a popular choice for repairs where a favorable cost-to-functionality ratio is important, while maintaining the manufacturer's original design. In the case of an electronic gas pedal, it is crucial to maintain compatibility with the factory solution, which promotes trouble-free operation with the existing wiring harness and ECU software.

Using an original, used pedal with a potentiometer helps avoid typical issues that may arise with aftermarket replacements that have different signal characteristics. This solution is particularly recommended in situations where the priority is to maintain the stock operating parameters of the drivetrain and the consistency of electronic systems in the vehicle.

Benefits of using an original gas pedal

• preservation of factory throttle response characteristics and predictable acceleration,
• compatibility with the electrical system and engine control unit of the Audi A4 B7,
• ergonomic pedal placement in the driver's footwell,
• consistency with other elements from the Pedals, pedal pads and footrests group,
• reasonable repair costs due to the use of a used part while maintaining the original design.

For workshops and individual users, this means the ability to restore the proper operation of the acceleration control system without interfering with the software and without the need to adapt non-standard solutions.

Modernization expansion and additional information

If you are planning a comprehensive repair or upgrade of the driver's foot control area in your Audi and need other elements from the same group, such as additional pedals, pads, or footrests, check out the available parts in the Audi Pedals, pedal pads and footrests category.

To better plan service work and reduce vehicle downtime, it is worth learning practical tips on using a wide range of used parts from a single warehouse – you can find more on this topic in the article No more waiting for weeks – how a wide assortment in one warehouse really shortens your car's downtime at the mechanic?.