Audi A3 S3 8V 2.0 TFSI Petrol Fuel Tank Pump Sender Delivery Unit 5Q0919051BL

The Audi S3 8V 2.0 TFSI Petrol Fuel Pump and Sender Unit is an original fuel system component designed for petrol engines, ensuring stable fuel delivery and precise fuel level readings. This product, from the fuel pumps and level sensors category, serves as a functional replacement for the factory-fitted assembly in the fuel tank. It's a solution for users who expect a proven design and seamless integration with the vehicle's electronics.

Specifications and technical data

• SKU: 5Q0919087AH
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0919087AH
• Substitutable numbers: 5Q0919087AH, 5Q0 919 087 AH, 0580200435, 5Q0919051BP
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and Function in the Fuel System

The presented pump and sender unit assembly is responsible for two key tasks: pumping petrol from the tank to the fuel system and transmitting fuel level information to the instrument cluster. Thanks to its integrated design, the component works with the vehicle's electrical system and engine control unit, allowing for stable fuel pressure and accurate dashboard readings.

This type of solution is particularly important for turbocharged engines, where continuous fuel supply directly impacts engine smoothness, performance, and operational safety. A functional sender unit minimizes the risk of incorrect fuel level readings, making refueling planning easier and reducing the chance of unexpected vehicle immobilization.

Design of the Pump and Sender Unit Assembly

The assembly combines an electric fuel pump and a sender unit with a float in a single housing, simplifying installation in the tank. This configuration allows for:

• compact placement of the entire module in the tank,
• a reduction in the number of fuel and electrical connections,
• easier diagnostics in case of fuel supply or level indication issues.

Thanks to its factory-standard housing geometry and appropriately selected electrical connectors, the module is prepared for integration with the system designed for petrol engines, contributing to the maintenance of proper system operating parameters.

Condition, Origin, and Benefits of Choosing a Used Part

This component is a used part, offered as a used fuel tank pump with sender unit. Choosing an original used part is a sensible compromise between cost and maintaining the factory operating parameters of the fuel system. Such components are designed for long-term operation, so when correctly selected for the specific model and engine version, they can still provide proper functionality.

If you want to better understand how to safely select and use used components, including those that interact with vehicle electronics, it's worth reading the guide: used car electronics and sensors – a practical guide to selection and installation. You'll find tips on identifying parts by OEM numbers and understanding compatibility principles.

Selection and Compatibility with Petrol Systems

The pump is designed to work with petrol-powered engines, meaning it has appropriately selected performance, operating pressure, and material resistance to this fuel. When selecting a module for a specific vehicle, it is crucial to pay attention to:

• compatibility with the engine version and car year,
• the type of injection system used,
• the type of fuel tank and the design of the pump basket.

A correctly selected pump and sender unit assembly helps avoid problems with starting, power drops, or fuel level reading errors. This is particularly important in sporty cars where stable engine power supply is crucial for consistent performance.

Why Choose This Fuel Tank Pump with Sender Unit

By using an original pump and sender unit assembly, you maintain the factory fuel system concept, which simplifies installation and subsequent servicing. This solution allows you to:

• maintain proper fuel supply parameters for the petrol engine,
• ensure clear and consistent fuel level indications,
• minimize the risk of leaks and connector compatibility issues.

If you are also looking for other Audi fuel pumps and level sensors, check out our dedicated offer: Audi fuel pumps and level sensors. This will help you more easily select complete solutions for your car's entire fuel system.