Audi Q2 GA 2.0 TDI DTTC In Tank Fuel Pump Unit 5WA919673A

Audi Q2 GA 2.0 TDI DTTC In Tank Fuel Pump Unit is an original component from the Fuel pumps and level sensors group, designed for the diesel engine supply system. The use of a complete pump module with a float ensures stable fuel supply to the engine unit and precise reading of the diesel level in the tank.

Specifications and technical data

• SKU: 5WA919673A
• Mark: Audi
• Condition: Used
• OEM Part Number: 5WA919673A
• Substitutable numbers: 5WA919673A, 5WA 919 673 A
• Fuel type: Diesel
• Rim width: 8
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The fuel pump module integrated with a level sensor is responsible for continuously delivering fuel at the appropriate pressure to the injection system and for transmitting information about the fuel quantity to the instrument cluster. In the case of diesel engines, stable pump operation is crucial for the proper functioning of the injectors, easy cold starts, and smooth engine operation across the full load range.

The presence of a float in the module enables accurate fuel level measurement, which translates into predictable readings on the dashboard and facilitates refueling planning, especially in vehicles used for long-distance travel.

Benefits of using an original Audi module

Using an original Audi solution in the Q2 GA 2.0 TDI model ensures:

• geometric fit to the fuel tank and vehicle installation,
• proper operating characteristics for the diesel engine,
• correct cooperation with the onboard electronics responsible for fuel level indications.

As a result, it reduces the risk of starting problems, engine stalling, or incorrect fuel gauge readings, which is particularly important in modern diesel supply systems.

Technical characteristics and compatibility

The module has been designed to work with the diesel supply system, which means appropriately selected materials, seals, and internal construction adapted to the properties of diesel fuel. The integrated level sensor works with the vehicle's factory electrical installation, allowing for the preservation of factory indication characteristics after correct installation.

The product comes from the Audi line and is an item in the Fuel pumps and level sensors category, which facilitates selection based on vehicle data and fuel system parameters.

Condition, installation, and practical application

The item is offered as used, which allows for an economical module replacement while maintaining the manufacturer's original specifications. In practice, this means the possibility of restoring the proper operation of the fuel system without the need for installation interference or modifications.

During installation, it is recommended to:

• check the tightness of the fuel ports and lines,
• verify the condition of the tank gasket,
• check the correct connection of the level sensor electrical harness.

Such an approach minimizes the risk of leaks and fuel level reading errors after module replacement.

Technical support and part selection

When selecting a fuel pump module with a float, it is worth using the manufacturer's markings and vehicle data to ensure full compatibility with the fuel system. A detailed discussion of the principles of operation, diagnostics, and regeneration of supply components can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which helps to better understand the relationships between the pump, injectors, and tank.

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