Audi A6 C6 A6 S6 4F In Tank Fuel Pump Delivery Sender Unit 4F0919051AT

Audi A6 C6 A6 S6 4F In Tank Fuel Pump Delivery Sender Unit is an original component from the Fuel pumps and level sensors group, designed for direct installation inside the fuel tank. It ensures a stable supply to the injection system and precise fuel level measurement, which translates into predictable engine performance and accurate readings on the instrument cluster. This is a solution for users looking for a factory-fitted component for Audi A6 C6 and S6 models.

Specifications and technical data

• SKU: 4F0919051AT
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0919051AT
• Substitutable numbers: 4F0919051AT, 4F0 919 051 AT, 4F0 919 087 B, 4F0919087B
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The pump mounted inside the fuel tank is responsible for generating the appropriate pressure and continuously delivering fuel to the subsequent components of the supply system. The integrated fuel level sensor module enables an accurate reading of the fuel quantity in the tank, which is important for both user comfort and vehicle operational safety. Using an original Audi solution allows you to maintain the correct operating parameters of the fuel system without the need for installation modifications.

Benefits of using an original Audi fuel pump

Using a factory component from the Audi group ensures:

• consistency with the factory design of the fuel tank and mounts,
• proper cooperation with the vehicle's electrical system,
• appropriate performance characteristics across the entire engine load range,
• maintenance of correct fuel level readings on the instrument cluster.

Thanks to this, the fuel supply system operates under stable conditions, and the risk of starting problems, engine misfiring, or incorrect fuel level readings is minimized.

Installation and operational characteristics

The pump is designed for installation inside the fuel tank, in the location provided by the vehicle manufacturer. The modular design facilitates service and replacement within standard workshop procedures. Using an original solution allows you to avoid adjusting hoses, connectors, or seals, which shortens installation time and reduces the risk of leaks.

The item comes from an Audi vehicle and is classified in the Fuel pumps and level sensors group, which means it has been designed to operate in a fuel environment and to work with the factory onboard electronics.

Product condition and practical application

The offered item is in used condition, which is an attractive solution for users looking for an economical yet factory-compliant service option. Choosing such a component allows for restoring the efficiency of the fuel system while maintaining the original design and operating parameters. This is a practical alternative to cheap replacements, especially for vehicles where maintaining compliance with the factory design is important.

Part selection and additional technical materials

When selecting a fuel pump for an Audi A6 C6 or S6, it is crucial to verify compatibility with the specific engine version and vehicle year. It is worth paying attention to manufacturer markings, part numbers, and interchangeable numbers to ensure full compatibility with the existing fuel system and electrical installation.

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

More practical tips on choosing used electronic components and control modules can be found in the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?