Audi TT 8J 2.0 TDI In Tank Fuel Pump Sender Unit 1K0919673AK

Audi TT 8J 2.0 TDI In Tank Fuel Pump Sender Unit is a component from the Fuel pumps and level sensors group, designed for the diesel engine fuel supply system. Integrating the pump with the fuel level sensor and float allows for efficient diesel fuel delivery and stable fuel level readings on the instrument cluster, which translates into predictable vehicle operation.

Specifications and technical data

• SKU: 1K0919673AK
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0919673AK
• Substitutable numbers: 1K0919673AK, 1K0 919 673 AK
• Fuel type: Diesel
• Rim width: 8
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel supply system

The described fuel pump and level sensor assembly is designed to work with the Diesel engine in the Audi TT 8J 2.0 TDI model. It is responsible for transporting fuel from the tank to the injection system and for precise measurement of the fuel quantity, which is transmitted to the vehicle's electronics. Combining the pump, float, and sensor into a single module reduces the number of connections, which promotes stable system operation and facilitates maintenance.

Module construction and key technical features

The module belongs to the Fuel pumps and level sensors category, meaning it combines hydraulic and measurement functions. The used float works with a sensor that converts the float's position into an electrical signal read by the vehicle's control units. The design is adapted for operation in a diesel fuel environment, taking into account appropriate material resistance and safety requirements.

The item is offered in used condition, which allows for an economical repair of the fuel supply system while maintaining the original operating characteristics. Proper selection of parts according to the manufacturer's markings and compatibility with the specific Audi TT 8J engine version minimizes the risk of installation and operational issues.

Benefits of using an original Audi module

Using an original Audi solution in the diesel engine fuel supply system ensures:

• consistency of pump operating parameters with factory engine control unit settings,
• correct cooperation of the fuel level sensor with the instrument cluster,
• preservation of the starting and fuel supply characteristics intended by the manufacturer,
• reduction of the risk of errors associated with incompatible replacements.

For the user, this means stable fuel system operation, predictable fuel level indications, and the ability to restore original driving properties without interfering with the electrical installation or control unit software.

Selection, installation, and operational aspects

When selecting the fuel pump and level sensor module, it is crucial to verify compatibility with the specific Audi TT 8J 2.0 TDI version and the diesel-based fuel system. Proper matching allows for installation in place of the factory component, using existing connectors and mounts. In practice, this translates into reduced service time and no need for installation modifications.

Due to the nature of operation inside the fuel tank, it is important to maintain cleanliness during installation and to check the condition of seals and hoses. A correctly selected and installed module supports the even operation of the fuel supply system, which is important for both the durability of the injectors and the refinement of the engine unit.

Technical support and additional materials

In case of doubts regarding compatibility, connection methods, or interpretation of markings on the module, it is worth using guide materials dedicated to the selection and installation of measurement and control system components. Practical tips on how to safely use used components can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, which discusses, among other things, selection by manufacturer markings, compatibility issues, and the most frequently asked user questions.

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 pump modules, sensor assemblies, or complete tank inserts, check the available parts in the Audi fuel pumps and level sensors category.