Audi A4 B9 3.0 TDI Diesel In Tank Sender Pump Unit 8W0919088K

Audi A4 B9 3.0 TDI Diesel In Tank Sender Pump Unit is an original fuel system component designed for diesel engines in the Audi A4 B9 generation. This factory-fitted in-tank sender pump ensures a stable fuel supply to the engine, which translates into reliable fuel system operation and trouble-free starting. By using a component from the Fuel pumps and level sensors group, you maintain compliance with the vehicle's factory specifications.

Specifications and technical data

• SKU: 8W0919088K
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0919088K
• Substitutable numbers: 8W0919088K, 8W0 919 088 K
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The in-tank sender pump is responsible for transporting diesel fuel from the tank to the subsequent components of the fuel system, maintaining the appropriate pressure and flow for the diesel engine. In the case of 3.0 TDI units, this is crucial for the smooth operation of the injectors, engine refinement, and reducing the risk of air entering the system. Using a dedicated solution for Audi allows you to maintain the parameters specified by the vehicle manufacturer.

Benefits of using an original sender pump

Using an original sender pump in the Audi A4 B9 3.0 TDI provides a number of practical technical benefits:

• maintaining the factory fuel flow characteristics in the diesel engine,
• proper cooperation with fuel level sensors and vehicle electronics,
• perfect fit for the fuel tank and fuel lines,
• reduced risk of starting problems and power drops resulting from insufficient fuel supply.

As a result, installing such a component is a technically safe and predictable solution, especially in higher-power vehicles such as the 3.0 TDI units.

Product characteristics and condition

The offered sender pump comes from the Audi group and is a used component, which allows for an economical repair while maintaining the original design. A component of this type is designed to operate in a diesel fuel environment, taking into account appropriate resistance to temperature, pressure, and long-term contact with fuel. In practice, this means stable operation under typical operating conditions of a passenger car with a diesel engine.

Professional selection and installation

To ensure the proper operation of the fuel system, it is worth verifying the compatibility of the pump with the specific vehicle configuration before installation, taking into account the engine version and equipment. Installation by a workshop experienced in working with diesel fuel systems is recommended, which minimizes the risk of leaks, installation errors, and venting problems. A correctly selected and installed sender pump supports stable engine operation and reduces the risk of failure of expensive fuel injection system components.

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 in-tank pump modules, assemblies with level sensors, or additional pump inserts, check the available parts in the Audi fuel pumps and level sensors category.

Technical support and knowledge about used components

When choosing used fuel system components and other vehicle parts, it is worth using reliable sources of information and good installation practices. A detailed discussion of the principles of selection, compatibility verification, and safe use of second-hand components can be found in the guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.