Audi TT 8J 1.8 TFSI CDAA Fuel Pump Level Control Sensor Sender Unit 1K0919051DB

The Audi TT 8J 1.8 TFSI CDAA Fuel Pump Float Fuel Level Sensor is a component from the fuel pumps and level sensors category, designed for gasoline engine fuel systems. The integrated pump module with a float and fuel level sensor ensures stable power supply to the engine and precise fuel quantity readings on the instrument cluster. This is a practical solution for Audi TT 8J users with the 1.8 TFSI CDAA engine who are looking for a proven component at a favorable price.

Specifications and technical data

• SKU: 1K0919051DB
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0919051DB
• Substitutable numbers: 1K0919051DB, 1K0 919 051 DB
• Fuel type: Petrol
• Rim width: 8
• Category: Fuel Pumps & Sending Units

Purpose and Function in the Fuel System

The fuel pump module with a float is responsible for pumping gasoline at the correct pressure from the tank to the injection system and for transmitting fuel level information to the vehicle's electronics. Using a dedicated solution for the Audi TT 8J 1.8 TFSI CDAA allows for maintaining proper engine operating parameters, reducing the risk of power drops and starting problems, and ensuring accurate readings on the dashboard.

This component is part of the gasoline fuel system, so its correct operation directly affects:

• fuel pressure stability across the entire engine load range,
• smooth acceleration and the operating refinement of the TFSI unit,
• reliability of fuel level readings,
• operational safety at low fuel levels in the tank.

Module Construction: Pump, Float, and Level Sensor

The presented module combines a mechanical fuel pump with a measuring element in the form of a float and a level sensor within a single housing. This solution simplifies servicing, as replacement is done as a complete unit, without the need for separate matching of individual parts. The float works with a resistive sensor that transmits a signal to the gauge, enabling the driver to read the fuel quantity clearly.

The module is structurally adapted to the Audi TT 8J tank, which facilitates installation and ensures correct positioning of the float in the fuel chamber. This minimizes the risk of incorrect readings at low or high fuel levels.

Benefits of Using an Original Module in the Audi TT 8J

Using a dedicated fuel pump with a float and level sensor in the Audi TT 8J 1.8 TFSI CDAA offers a number of practical benefits:

• Compatibility with the electrical system – connectors and operating parameters are adapted to the vehicle's factory system.
• Appropriate performance for the TFSI unit – the pump is matched to the characteristics of a direct-injection gasoline engine.
• Consistency with the instrument system – the fuel level sensor works with the gauge without the need for additional modifications.
• Simplified installation – the modular design reduces the time required for replacement at a service center or workshop.

For users planning a more extensive upgrade or repair of the fuel system, information on selecting and operating used electronic and measuring components may also be useful. Detailed guidance can be found in the Global Parts guide: used automotive electronics – second-hand ECU modules and sensors, which discusses issues such as compatibility and proper installation.

Product Condition and Practical Application

The offered module comes from the aftermarket, which helps reduce repair costs while maintaining the functionality required for everyday operation. This solution is particularly beneficial when both the pumping part and the fuel level measuring system are damaged, and replacing the entire unit is technically justified.

In the case of comprehensive powertrain repairs, including potential engine replacement, it is worth familiarizing yourself with practical tips regarding the aftermarket – the guide: how to buy a used car engine and avoid pitfalls, which discusses the most important aspects of selection and technical condition verification step by step, can be helpful.

Other Audi Fuel Pumps and Level Sensors

If you are looking for other Audi fuel pumps and level sensors compatible with different models of this brand, check out our dedicated category: Audi fuel pumps and level sensors. Thanks to filters by model, fuel type, and manufacturer codes, you can easily narrow down the results to components that fit your specific car.