Audi A5 8T 1.8 2.0 TFSI In Tank Fuel Pump Sender Unit 8K0919051M

Audi A5 8T Fuel Pump Sensor Float 1.8 2.0 TFSI Petrol is an original fuel system component from the fuel pumps and level sensors group, designed for TFSI petrol engines. The integrated pump and float module ensures stable engine power supply and precise fuel level reading in the tank, contributing to trouble-free vehicle operation.

Specifications and technical data

• SKU: 8K0919051M
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0919051M
• Substitutable numbers: 8K0919051M, 8K0 919 051 M
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Application and Function in the Fuel System

The presented fuel pump with a float sensor has been specifically designed for Audi A5 8T models with 1.8 and 2.0 TFSI petrol engines. This assembly is responsible for both pumping fuel from the tank and transmitting its level information to the instrument cluster, which is crucial for the proper functioning of the injection system and driver comfort.

The module operates in a petrol fuel system, working in conjunction with the high-pressure pump on the engine. A correctly selected component minimizes the risk of fuel pressure drops, starting problems, and incorrect fuel level readings on the dashboard.

Construction of the Fuel Pump Module with Float Sensor

The fuel pump integrated with the float sensor forms a complete module mounted in the fuel tank. The same housing contains:

• an electric low-pressure pump responsible for fuel delivery,
• a float with a potentiometer responsible for fuel level measurement,
• connection ports for the vehicle's fuel system,
• an electrical connector for communication with the vehicle's wiring harness.

This design facilitates servicing and replacement – instead of working with several separate components, the entire assembly is replaced, which reduces work time and minimizes the risk of leaks or installation errors.

Benefits of Using an Original Audi Module

Using an original fuel pump module with a level sensor in the Audi A5 8T offers a range of practical benefits:

• Factory Fitment – compatibility with the fuel tank design, electrical harness, and injection system operating parameters is maintained.
• Stable Engine Supply – appropriately selected pump performance supports the correct operation of 1.8 and 2.0 TFSI engines across the full load range.
• Reliable Fuel Level Reading – the integrated float sensor minimizes the risk of fluctuating readings or errors on the instrument cluster.
• Seamless Integration with Vehicle Electronics – the module works with factory control units and diagnostic systems.

Condition, Selection, and Installation in the Vehicle

This item comes from the fuel pumps and level sensors category and is offered as a used part, providing a reasonable compromise between cost and functionality. Before installation, standard checks of the vehicle's fuel system (line tightness, fuel filter condition) are recommended, along with verification of the module's correct operation after starting the engine.

To select the correct unit for a specific Audi A5 8T version, it is advisable to use manufacturer markings, the OEM number, or vehicle data. Proper selection ensures compatibility with the TFSI petrol engine and the existing electrical harness, leading to a near plug-and-play installation without the need for modifications.

More Solutions and Technical Knowledge

If you are looking for other Audi fuel pumps and level sensors, check out our dedicated offer: Audi fuel pumps and level sensors. This will allow you to easily compare available modules based on their suitability for specific models and engine versions.

When selecting and installing components from the fuel system and sensor groups, our guide on automotive electronics and sensors may be helpful: Used Car Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?. Here you will find practical tips on compatibility, markings, and safe installation of used components.