Audi S8 D3 Tank Fuel Pump Sender Unit Right O/S 5.2 FSI Petrol 4E0919087H

Visual condition of the part

The product shows signs of use visible in the photos.

Audi S8 D3 Tank Fuel Pump Sender Unit Right O/S 5.2 FSI Petrol is an original fuel system component designed for operation on the right side of the tank. Thanks to its factory Audi design, it ensures stable fuel supply for the FSI unit and precise fuel level readings, which translates into correct electronic operation and driving comfort.

Specifications and technical data

• SKU: 4E0919087H
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0919087H
• Substitutable numbers: 4E0919087H, 4E0 919 087 H
• Location on the vehicle: Right
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The described component belongs to the Fuel pumps and level sensors category and is dedicated for installation on the right side of the vehicle in the Audi S8 D3 model with a petrol FSI engine. It is responsible for transporting fuel from the tank to the fuel system and for transmitting information about its level to the instrument cluster and onboard controllers.

In practice, this means that a properly functioning module on the right side ensures:

• stable supply pressure across the entire load range of the petrol engine,
• consistent fuel level readings, without sudden fluctuations,
• proper cooperation with the electronics controlling the fuel system.

Construction and fitment for Audi S8 D3

The module has been designed specifically for the tank construction in the Audi S8 D3, which ensures correct seating on the right side and compatibility with factory electrical connectors and fuel lines. As a result, the installation process is straightforward, without the need for any system modifications.

Original Audi manufacturing also means maintaining the operating parameters specified by the vehicle manufacturer, which is particularly important in FSI petrol engines, which are sensitive to fuel supply quality and flow stability.

Condition, verification, and service application

The item comes from dismantling and is offered as a used service component, which allows for an economical repair of the fuel system while maintaining the original Audi specification. This type of solution is often chosen in cases of:

• fuel level indication faults on the right side of the tank,
• engine supply problems at low fuel levels,
• the need to replace a damaged module after a collision or mechanical interference.

Before installation, it is recommended to perform a standard check of the electrical system and the tightness of the fuel lines to fully utilize the potential of the installed component.

Benefits of using an original Audi module

Using an original fuel pump module with a level sensor on the right side in an Audi S8 D3 provides a number of practical service benefits:

• Full compatibility with the fuel system – matching the tank geometry, electrical harness, and Audi controllers.
• Reduced risk of diagnostic errors – correct signals from the fuel level sensor facilitate the operation of onboard systems.
• Ability to use existing mounting points and seals – without the need to adapt universal components.

This approach is particularly important in high-end vehicles, where the fuel system works in conjunction with extensive electronics and advanced safety systems.

Technical support and selection of fuel system components

To better understand the operation of the fuel system in an Audi with a petrol engine and to properly plan repairs, it is worth using expert materials. A detailed discussion of the construction, diagnostics, and selection of components can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which describes, among other things, the principles of operation of fuel pumps and level sensors.

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 pump modules, level sensors, or pump inserts, check the available parts in the Audi fuel pumps and level sensors category.