Audi A5 8T Diesel Fuel Pump Tank Sender Control Unit 8K0919050Q

The Audi A5 8T Diesel Fuel Pump is a component from the Fuel Pumps and Level Sensors category, designed for diesel systems in Audi models. This used genuine part ensures proper engine supply of diesel fuel, stable operation of the fuel system, and correct compatibility with the vehicle's factory electronics. It's a solution for drivers seeking a technically matched component with a proven design.

Specifications and technical data

• SKU: 8K0919050Q
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0919050Q
• Substitutable numbers: 8K0919050Q, 8K0 919 050 Q
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and Role in the Fuel System

The fuel pump in a diesel engine is responsible for delivering the correct amount of diesel fuel to the subsequent system components, maintaining the required operating pressure. For the Audi A5 8T, a properly selected pump is crucial for:

• stable engine start-up in various temperature conditions,
• smooth engine operation across the full load range,
• correct fuel metering by the injectors,
• reducing the risk of fuel system air ingress.

By maintaining the factory flow and pressure characteristics, the Audi A5 8T fuel pump supports the correct operation of the engine control unit and exhaust emission control systems.

Compatibility and OEM Identification

The offered pump comes from the Audi parts group and is prepared for compatibility with Diesel fuel systems. Selection by OEM number and interchangeable numbers allows for precise verification of compatibility with the specific engine version and model year of the vehicle, minimizing the risk of installation problems.

In practice, this means that when matching by catalog numbers, the correct connector geometry, electrical connector configuration, and operating parameters required by the factory supply system are maintained.

Condition, User Benefits, and Installation

The component is offered as a used part, allowing for economical repair of the fuel system while maintaining the original design. Compared to low-budget aftermarket alternatives, using a component from the Audi group promotes:

• better fit with the factory fuel basket and lines,
• proper cooperation with the fuel level sensor,
• reduced need for electrical system modifications.

The pump is designed for installation in the fuel tank, in the location designated by the vehicle manufacturer. When replacing, it is recommended to check the condition of seals, fuel lines, and the filter to fully utilize the potential of the installed component.

Benefits of Using a Genuine Audi Fuel Pump

Using a genuine pump in the Audi A5 8T translates into a number of practical operational benefits:

• Stable system pressure – correct injector supply, reduced risk of engine jerking and stalling.
• Proper cooperation with the fuel level sensor – more predictable readings on the instrument cluster.
• Consistency with control unit software – maintaining operating parameters as intended by the manufacturer.
• Reduced risk of leaks – dimensional fit with the original tank and fuel basket.

For users who want to maintain their vehicle in a configuration close to the factory standard, choosing such a component is a technically justified solution.

Technical Support and Educational Materials

When planning a fuel pump replacement, it is advisable to familiarize yourself with the operating principle of the entire supply system to correctly diagnose the cause of the fault and avoid unnecessary costs. A detailed discussion of the construction, diagnostics, and operation can be found in the article “Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair”, which helps select parts by OEM number and VIN and explains typical fault symptoms.

If you are looking for other components from the Fuel Pumps and Level Sensors category dedicated to this brand, check out the Audi fuel pumps and level sensors available in our store to select a component optimally matched to your car's configuration.