Audi A7 4G8 Diesel Fuel Pump Tank Sender Control Unit 4G0919050C

Audi A7 4G8 Diesel Fuel Pump Tank Sender Control Unit is a component from the Fuel pumps and level sensors group, designed for diesel fuel systems in the Audi A7 4G8 generation. This used, original pump ensures a factory-fit, stable diesel fuel supply, and predictable fuel system performance, which translates into safe and consistent engine operation.

Specifications and technical data

• SKU: 4G0919050C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0919050C
• Substitutable numbers: 4G0919050C, 4G0 919 050 C
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and role in the fuel system

The fuel pump in the Audi A7 4G8 with a Diesel engine is responsible for transporting diesel fuel from the tank to the subsequent components of the fuel system, maintaining proper pressure and continuous flow. A correctly selected component from this group reduces the risk of power drops, starting issues, and unstable engine operation under load.

In modern diesel units, such as those in the Audi A7 4G8, a functional fuel pump is crucial for the proper operation of the injection system, correct fuel metering, and maintaining exhaust emission parameters within the limits specified by the manufacturer.

Advantages of using an original Audi pump

Choosing a pump from the Fuel pumps and level sensors group sourced from Audi means maintaining the factory performance characteristics of the fuel system. The original design ensures:

• precise fitment to the fuel tank geometry and accessories in the Audi A7 4G8,
• proper cooperation with the engine control system and fuel level sensors,
• stable fuel flow parameters across the full load range.

As a result, installation is straightforward and predictable, without the need for system modifications, and the fuel system retains characteristics consistent with the vehicle manufacturer's specifications.

Technical characteristics and compatibility

The presented fuel pump is designed for use with Diesel fuel, meaning its materials, seals, and construction are adapted to the properties of diesel oil. The component has been designed to work with the factory Audi control system, including fuel level sensors and protection against running at too low a fuel level.

The product is sourced from dismantling, which allows for an economical restoration of the fuel system's efficiency while maintaining the original specifications. A used Audi fuel pump is a good solution when the existing component has suffered mechanical wear, electrical damage, or is causing engine performance issues.

Practical installation and maintenance tips

Before installation, it is recommended to verify the compatibility of the pump with the specific equipment version of the Audi A7 4G8 and to check the condition of the fuel system (hoses, connectors, fuel filter). A correctly performed replacement, combined with system bleeding and leak testing, minimizes the risk of recurring faults and premature wear of the newly installed component.

During operation, it is advisable to use high-quality fuel and regularly replace the fuel filter, which limits the ingress of contaminants into the pump and injection system. This approach extends the service life of components and stabilizes the operating parameters of the diesel engine.

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

If you are considering using components from dismantling on a wider scale, including electronic elements that work with the fuel system, it is worth reading the advice on selecting used controllers and modules – you can find practical tips in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.