Audi A3 8V Fuel Tank Level Sensor Pump Sender Unit Petrol 5Q0919051BP

Visual condition of the part 

The product shows signs of use visible in the photos. 

Audi A3 8V Fuel Tank Level Sensor Pump Sender Unit is an original component from the Fuel pumps and level sensors group, designed for the petrol supply system in Audi models. The integrated pump and sender unit module ensures stable fuel delivery and precise level readings, which translates into predictable engine performance and accurate indications on the instrument cluster. This solution is particularly valued by workshops that expect factory-fit quality and proven construction.

Specifications and technical data

• SKU: 5Q0919051BP
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0919051BP
• Substitutable numbers: 5Q0919051BP, 5Q0 919 051 BP, 5Q0919051BF, 5Q0 919 051 BF
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented fuel tank pump module with a sender unit is designed to work with the petrol supply system in the Audi A3 8V. It is responsible for both pumping fuel from the tank to the fuel rail and measuring the fuel level, which is transmitted to the dashboard. Thanks to this, a single assembly handles two key tasks: it ensures proper system pressure and allows the driver to monitor the fuel quantity.

Combining the pump and the level sensor in one housing reduces the number of connections and potential leak points, which is essential for the reliability and safety of the vehicle's operation.

Module construction and benefits of using Audi parts

The fuel tank pump module with a sender unit for Audi is constructed as a complete solution mounted inside the fuel tank. Using an original Audi design means:

• factory-perfect fitment in the fuel tank housing,
• correct performance characteristics for petrol engines used in the Audi A3 8V,
• proper compatibility with the electrical system and the fuel level gauge on the dashboard.

As a result, there is no need for installation modifications or mechanical adaptations – the module is designed as a component compliant with the manufacturer's factory standards.

Condition, selection, and use in service practice

The offered fuel tank pump with a sender unit is a pre-owned item, which allows for an economical repair of the fuel system while maintaining the original Audi specifications. This solution is often chosen by professional service centers and informed users who want to avoid issues with matching pump performance parameters to a specific petrol engine.

When selecting parts, it is crucial to compare the manufacturer's markings and the configuration of electrical and fuel connections with the previously installed module. A properly selected pump with a sender unit helps restore correct engine starting, stable idling, and predictable fuel level readings, which is important for both driving comfort and planning refueling stops.

Support in selection and knowledge expansion

If you are considering installing a pre-owned component in the fuel system or vehicle electronics and want to better understand when choosing second-hand parts is justified, it is worth checking out a guide dedicated to automotive electronics. Practical tips on assessing component condition, verifying markings, and safe installation principles can be found in the article Second life of electronics – when is it worth choosing used engine ECUs, comfort modules, and parking sensors?.

Additionally, if you want to organize the process of purchasing used components – from verifying manufacturer numbers and comparing configurations to final inspection before installation – a practical step-by-step guide will be helpful: Safe purchase of used car parts online – a step-by-step guide.

Related Audi fuel system components

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