Audi Q7 4L Fuel Level Sensor Sender Left N/S 3.0 TDI 7L8919673

Audi Q7 4L Fuel Level Sensor Sender Left N/S 3.0 TDI is an original fuel system component designed for diesel engines, responsible for the precise reading of the diesel fuel level in the tank. Thanks to its factory design for the Audi brand, it ensures proper compatibility with the vehicle's electrical system and accurate readings on the instrument cluster. This used component allows for a technically correct and cost-effective repair of the fuel level measurement system on the left side.

Specifications and technical data

• SKU: 7L8919673
• Mark: Audi
• Condition: Used
• OEM Part Number: 7L8919673
• Substitutable numbers: 7L8919673, 7L8 919 673
• Location on the vehicle: Left
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented fuel level sender is a component from the Fuel pumps and level sensors group, dedicated for use on the left side of the tank in the Audi Q7 4L generation with a 3.0 TDI engine. It is responsible for continuous measurement of the diesel fuel quantity and transmitting the signal to the controller and the instrument cluster, which translates into stable, predictable fuel level readings while driving.

A properly functioning fuel level sensor reduces the risk of sudden vehicle immobilization due to incorrect readings, facilitates refueling planning, and supports the correct operation of onboard systems that use fuel quantity information.

Construction and fitment for Audi Q7 4L

The design of the sender has been developed specifically for the geometry of the fuel tank in the Audi Q7 4L, which ensures the appropriate movement characteristics of the sender arm and measurement repeatability across the full range of fuel levels. The component is prepared for installation in the factory location on the left side, maintaining the original mounting points and electrical connectors.

Thanks to this, the installation proceeds in an orderly manner, without the need for system modifications or the use of adapters. Maintaining compliance with the factory Audi standard promotes long-term, stable operation of the measurement system in a diesel-powered vehicle.

Benefits of using an original sender

• Factory fitment for Audi Q7 4L – correct geometry and operating characteristics for the fuel tank in this model.
• Proper compatibility with the electrical system – dedicated connectors and signal parameters for Audi onboard systems.
• Stable fuel level readings – reduction of fluctuations and errors on the gauge, especially important on longer trips.
• Cost-effective solution – a used component allows you to restore the efficiency of the measurement system without the need to invest in a new part.

Operating characteristics in a diesel engine

In vehicles with a diesel engine, a correct reading of the diesel fuel level is important not only for the user but also for maintenance. The left-side fuel level sensor works with other fuel system components, ensuring even tank emptying and proper supply to the 3.0 TDI unit. A stable signal from the sender helps the engine controller monitor the fuel system operation under various load conditions.

Condition and service application

The offered sender is a used component intended for service applications in the event of damage or wear of the factory sensor on the left side of the tank. It is suitable both for typical fuel level measurement system repairs and for comprehensive fuel system maintenance in an Audi Q7 4L with a diesel engine, when restoring correct readings on the dashboard is required.

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, additional level sensors, or fuel basket components, check the available parts in the Audi fuel pumps and level sensors category.

More about choosing used electronics and sensors

When selecting used measurement and electronic components for a car, it is worth knowing the basic principles of verifying compatibility and assessing technical condition. If you want to expand your knowledge on the conscious choice of used modules and sensors, see the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?