Audi S3 8Y Throttle Pedal Accelerator Gas Pedal Assembly 3WB723503

Audi S3 8Y Throttle Pedal Accelerator Gas Pedal Assembly is a precision engine control component responsible for accurately converting the accelerator pedal position into an electrical signal. As part of the Pedals, pedal pads and footrests group, it ensures stable interaction with the vehicle's electronics and predictable throttle response. This used OEM component allows for a technically correct replacement of a faulty module without interfering with the installation design.

Specifications and technical data

• SKU: 3WB723503
• Mark: Audi
• Condition: Used
• OEM Part Number: 3WB723503
• Substitutable numbers: 3WB723503, 3WB 723 503
• Category: Pedal Assemblies, Pads & Parts

Function and role of the accelerator pedal potentiometer

The accelerator pedal potentiometer in the Audi S3 8Y operates within the electronic throttle control system, transmitting information about the pedal depression level to the engine control unit. Its proper operation is crucial for:

• smooth engine response to throttle input,
• idle stability under partial load,
• cooperation with assistance systems such as traction control or electronic stability control,
• precise torque delivery in various driving modes.

A properly selected potentiometer reduces the risk of jerking, delayed throttle response, or the engine entering limp mode.

Benefits of using an original Audi component

Using an original accelerator pedal potentiometer dedicated to the Audi S3 8Y ensures:

• factory-fit compatibility with the wiring harness and pedal mounts,
• signal characteristic compliance with engine control unit maps,
• no need for mechanical or electrical modifications,
• maintenance of predictable vehicle behavior throughout the entire pedal travel range.

As a result, replacing a faulty module with an original equivalent is a technically safe and repeatable solution, which is important for both daily driving and dynamic performance.

Pedal assembly integration and ergonomics

The potentiometer is integrated into the accelerator pedal assembly, which simplifies installation and service. Within the Pedals, pedal pads and footrests group, it is responsible for:

• mechanical guidance of the pedal movement along the manufacturer-designed trajectory,
• stable mounting to the body and maintaining the correct position relative to other pedals,
• signal repeatability throughout the entire operating range, without dead zones or jumps.

This solution promotes driver ergonomics and consistent powertrain feedback, which is particularly important in a sports-oriented model like the S3 8Y.

Used condition and service aspects

The offered accelerator pedal potentiometer is a used component, which allows for economical vehicle repair while maintaining the manufacturer's original specifications. In practice, this means the ability to:

• quickly replace a faulty module without the need to adapt aftermarket alternatives,
• reduce service costs while maintaining compatibility with factory software,
• restore proper throttle response after symptoms such as rough operation, control unit errors, or limp mode occur.

Before installation, standard engine control system diagnostics and verification of proper operation after installation are recommended, in accordance with Audi service procedures.

Expanding your Audi pedal system upgrade

If you are planning a comprehensive repair or upgrade of the acceleration control zone in your Audi and need other components from the same group, such as brake pedals, pedal pads, or driver footrests, check out the available parts in the Audi pedals, pedal pads and footrests category.

When planning broader service work or powertrain upgrades, it is also worth checking out practical tips on selecting used powertrain components – the article Used gearbox – when is it worth it and what you need to remember may be helpful, as it discusses key aspects of compatibility and the cost-effectiveness of purchasing components from the secondary market.