Audi RSQ3 F3 Petrol Fuel Pump Tank Sender Control Unit 5QF919673AE

Audi RSQ3 F3 Petrol Fuel Pump Tank Sender Control Unit is a component from the Fuel pumps and level sensors group, designed for the petrol engine fuel supply system. This is a used, original Audi part that allows for the restoration of proper fuel supply and stable fuel level measurement in the tank.

Specifications and technical data

• SKU: 5QF919673AE
• Mark: Audi
• Condition: Used
• OEM Part Number: 5QF919673AE
• Substitutable numbers: 5QF919673AE, 5QF 919 673 AE
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Function in the fuel system

The described fuel pump with the fuel level sender unit is responsible for pumping petrol from the tank to the engine fuel supply system and for transmitting information about the fuel quantity to the instrument cluster. The integrated sender control unit works with the vehicle's electronics, ensuring a stable signal for the fuel level gauge and onboard systems.

A module configured in this way is particularly important for the proper operation of a petrol engine – the engine's refinement, ease of starting, and throttle response depend on correct pressure and the continuity of fuel delivery.

Module construction and purpose

The fuel pump module for the Audi Q3 F3 has been designed as a complete assembly mounted in the fuel tank. In one housing, it combines:

• a pump section responsible for petrol flow,
• a fuel level sender that works with the dashboard gauge,
• control and connection elements matched to the Audi installation.

Thanks to this solution, replacement is performed as a single unit, which facilitates service and reduces the risk of leaks or installation errors. Fuel type: petrol means that the module is intended exclusively for petrol engines and should not be used in diesel systems.

Benefits of using an original Audi module

Using an original Audi fuel pump module in the Q3 F3 model allows for maintaining the factory operating parameters of the fuel supply system. Key advantages include:

• Full compatibility with the electrical and fuel system – appropriate connectors, hose diameters, and operating characteristics.
• Stable cooperation with the vehicle's electronics, including the engine control unit and the instrument cluster.
• Reduced risk of starting problems, engine misfiring, or incorrect fuel level readings.

A used OEM part is a solution that allows you to combine technical fitment with a more favorable cost compared to a new component, while maintaining a design consistent with the manufacturer's specifications.

Selection, installation, and diagnostics

Before installation, it is worth verifying the compatibility of the module with the specific version of the Audi Q3 F3 using the OEM part number or catalog data. A correctly selected component allows for installation without modifying the wiring, which shortens service time and reduces the risk of fuel system leaks.

During replacement, it is recommended to:

• check the condition of seals and fuel lines,
• verify the electrical installation for contact corrosion,
• check the accuracy of fuel level readings after the first start-up.

Thanks to this, the entire petrol supply system can operate in a predictable and safe manner during daily use.

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

Technical support and knowledge about the fuel system

To better understand the operation of the fuel pump, level sender, and the entire fuel system, it is worth referring to specialized materials regarding diagnostics and operation. A detailed discussion of operating principles, selection methods by OEM number, and tips on regeneration can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.