Audi S3 8P Sender Control Unit Fuel Pump Module 1K0919051DE

Audi S3 8P Sender Control Unit Fuel Pump Module is an original component from the Fuel pumps and level sensors group, responsible for precise management of the fuel supply system in sports versions of Audi. Thanks to factory-standard Audi electronics, the module ensures stable control of pump pressure and efficiency, which translates into proper engine fueling and consistent performance.

Specifications and technical data

• SKU: 1K0919051DE
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0919051DE
• Substitutable numbers: 1K0919051DE, 1K0 919 051 DE
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented controller acts as an electronic module supervising the fuel pump in the Audi S3 8P generation. It is responsible for:

• controlling pump speed depending on engine load,
• maintaining appropriate fuel pressure in the fuel rail,
• protecting the system against overload and incorrect power consumption,
• stable cooperation with the engine control unit (ECU).

As a result, the fuel system operates in a predictable manner, which is particularly important in high-performance vehicles such as the Audi S3 8P.

Original Audi electronics – fitment and compatibility

The module belongs to the group of original Audi components, which means it maintains factory operating parameters and full integration with the vehicle's electrical system. Proper matching to the wiring harness, connectors, and control system architecture minimizes the risk of communication errors and diagnostic issues.

To ensure correct selection based on engine version and model year, it is recommended to use the OEM part number or acceptable interchangeable numbers, which facilitates compatibility verification for a specific Audi S3 8P unit.

Performance characteristics and installation benefits

As an element from the Fuel pumps and level sensors category, the fuel pump control module operates in the immediate vicinity of the fuel tank, where it is exposed to variable temperature conditions and humidity. Using original Audi electronics allows for maintaining:

• stable communication with the ECU and the OBD diagnostic system,
• correct fuel system response to load changes,
• consistency of parameters with factory engine control maps.

The item is marked in the warehouse system as SKU, which facilitates identification and order processing in a service center or workshop.

Condition, verification, and service application

The product has a status of used, meaning it has been removed from a vehicle and verified for further operational suitability. This type of part is particularly attractive in situations where:

• a quick and economical repair of the fuel system is necessary,
• the original module has suffered thermal or electrical damage,
• errors related to fuel pump power supply or unstable pressure occur.

Replacing it with a functional OEM module allows for restoring proper system operation without the need for costly interference with the wiring harness or adaptation of non-factory solutions.

Technical support, selection, and additional knowledge

When selecting a fuel pump controller for a specific Audi S3 8P configuration, it is worth using manufacturer markings, catalog numbers, and data from service systems. A detailed discussion of the principles for selecting used electronic modules, including controllers and sensors, can be found in the Global Parts guide: Used automotive electronics on board – why choose second-hand ECU modules and sensors?

Additionally, to better understand the role of the controller in the entire fuel supply path, it is worth reading the material describing the construction and operation of the fuel system, including pumps, injectors, and the tank: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other elements from the same group, such as fuel pump control modules, in-tank pump assemblies, or fuel level sensors, check the available parts in the Audi fuel pumps and level sensors category.