Fuel Pump Tank Audi A4 B8 S5 8T 4.2 FSI Petrol Container Fuel Sender 8K0919051G

The Audi S5 8T Petrol Fuel Pump Tank Float is an original part from the Fuel Pumps and Level Sensors category, designed for the petrol engine fuel system. It ensures stable fuel delivery from the tank and precise fuel level reading, contributing to the smooth operation of the power unit and proper interaction with the vehicle's electronics. This solution is dedicated to users who expect a proven design and reliable fit for their Audi's fuel system.

Specifications and technical data

• SKU: 8K0919051G
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0919051G
• Substitutable numbers: 8K0919051G, 8K0 919 051 G
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and Function in the Fuel System

The described fuel pump with float operates within the tank and is responsible for continuous supply of the petrol engine with the correct fuel pressure, as well as for transmitting its level information to the instrument cluster. The integrated level sensor works with the vehicle's electrical system, allowing the driver to receive a clear reading on the dashboard, and the engine control unit to properly manage the fuel system's operation.

The component is part of the factory Audi system, meaning it maintains the correct fuel flow characteristics, electrical compatibility, and mounting geometry within the tank.

Set Construction: Fuel Pump and Float

The assembly combines a fuel pump module and a mechanical float with a sensor in a single housing. This design reduces the number of connections in the tank, simplifies servicing, and minimizes the risk of leaks. The module is designed to work with petrol, using appropriately selected materials for the housing, internal lines, and electrical connectors.

This type of solution allows for stable fuel suction even at lower tank levels, which is important during dynamic driving and frequent engine load changes.

Benefits of Using an Original Audi Part

Choosing an original fuel pump module with float for your Audi translates into several significant operational advantages:

• maintaining factory parameters for the petrol fuel system operation,
• reliable fit with the wiring harness and tank construction,
• proper interaction with the speedometer and engine control unit,
• reducing the risk of starting problems and power drops due to insufficient fuel supply.

Thanks to this, the fuel system operates stably, and the engine maintains its intended smoothness and performance.

Condition, Selection, and Installation

The part comes from the used Audi parts group, allowing for economical repair while maintaining original construction. It is advisable to base the selection of the module on vehicle data and manufacturer markings to ensure full compatibility with the specific engine and equipment version.

During installation, it is crucial to maintain cleanliness within the tank, properly seat the seals, and correctly connect the fuel lines and electrical connectors. A properly installed pump with float restores accurate fuel level readings and stable engine supply, without the need for additional system modifications.

If you are planning comprehensive service for your Audi's fuel system and also need other parts from the Fuel Pumps and Level Sensors group for this brand, check the available parts in the Audi Fuel Pumps and Level Sensors category.

To better understand the operating principles of the in-tank pump module, fault diagnostics, and best practices for operation and repair, it is worth consulting a guide that describes the entire fuel system – the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair discusses it in detail.