Audi S8 D3 Fuel Tank Pump Sensor Sender Unit Gauge Right O/S 3D0919673M

Audi S8 D3 Fuel Tank Pump Sensor Sender Unit Gauge Right O/S is an original fuel system component responsible for precise measurement of fuel levels in the tank and stable engine fuel supply. Thanks to the factory Audi design, this component ensures proper integration with the vehicle's gauges and electronics, which translates into reliable fuel level readings and trouble-free operation. This used item from the Fuel pumps and level sensors category represents an economical yet technically precise service solution.

Specifications and technical data

• SKU: 3D0919673M
• Mark: Audi
• Condition: Used
• OEM Part Number: 3D0919673M
• Substitutable numbers: 3D0919673M, 3D0 919 673 M
• Location on the vehicle: Right
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The described unit combines the functions of a fuel pump and a level sensor, mounted on the right side of the tank in an Audi S8 D3 generation with a petrol engine. It is responsible for:

• maintaining the correct fuel pressure supplied to the fuel rail,
• continuous measurement of the fuel quantity in the right tank chamber,
• transmitting a signal to the instrument cluster, allowing the driver to monitor fuel levels,
• working in conjunction with the left side of the fuel system in a split-tank configuration.

Thanks to the correct selection of the part for the specific body and engine version, fuel system stability and proper operation of the fuel gauge on the dashboard are maintained.

Construction and fitment for Audi S8 D3

The unit was designed specifically for the Audi luxury sedan platform, taking into account the characteristic shape of the fuel tank and the performance requirements of high-power petrol engines. The construction includes:

• a fuel pump module adapted for petrol operation,
• an integrated float-type fuel level sensor,
• a housing fitted for the right side of the tank,
• electrical connectors and fuel ports compatible with the factory installation.

This solution allows for installation in place of the original part without the need for system modifications, which is particularly important in premium vehicles where maintaining factory system integrity is essential.

Benefits of using an original used module

Choosing a used, original fuel pump and level sensor module for an Audi allows for a significant reduction in repair costs compared to a new part, while maintaining proper technical fitment. Key advantages include:

• factory compatibility with the vehicle's electrical and fuel systems,
• proper interaction with onboard electronics and gauges,
• preservation of performance parameters specified by the manufacturer,
• possibility of quick replacement in workshop conditions.

A used item from this group is particularly attractive for repairs of vehicles that are several or more years old, where the priority is rational service costs while maintaining OEM quality.

Professional installation and diagnostics

Due to its connection with the fuel system and vehicle electronics, installation by an experienced service center is recommended to:

• ensure proper seating of the module in the tank on the right side,
• check the fuel system for leaks after installation,
• verify the accuracy of fuel level readings on the instrument cluster,
• perform any necessary adaptation or error clearing in the control units.

This approach minimizes the risk of starting problems, uneven engine operation, or incorrect fuel level readings, thereby increasing safety and operational predictability.

More Audi fuel system components and electronics expertise

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

When choosing used components that interact with the vehicle's electrical system, it is worth expanding your knowledge on the durability and selection of such parts – practical tips can be found in the article The second life of electronics – when is it worth choosing used engine ECUs, comfort modules, and parking sensors?, which will help you make an informed decision when purchasing used automotive electronics.