Audi A8 D4 Fuel Tank Pump Sender Unit Upper 3.0 TDI 4H0201317J

Audi A8 D4 Fuel Tank Pump Sender Unit Upper 3.0 TDI is an original component from the Fuel pumps and level sensors group, designed for precise operation of the fuel supply system in the Audi A8 D4 model with a 3.0 TDI engine. Integrating the pump with the fuel level sensor ensures consistent system performance and stable operating parameters for the power unit.

Specifications and technical data

• SKU: 4H0201317S
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0201317S
• Substitutable numbers: 4H0201317S, 4H0 201 317 S, A2C82784300
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The upper fuel pump with a level sensor is responsible for transporting fuel from the tank and transmitting information about its quantity to the onboard system. In the Audi A8 D4 3.0 TDI model, this component works with the vehicle's electronics, influencing the correct operation of the fuel level gauge, diagnostic systems, and the stability of the engine's fuel supply.

Thanks to the factory design by Audi, the component maintains proper flow and pressure parameters within the tank, which reduces the risk of starting problems, engine misfiring, or incorrect fuel level readings on the instrument cluster.

Advantages of using an original Audi fuel pump

Choosing an original fuel pump with a level sensor for the Audi A8 D4 primarily offers:

• Factory fitment for the fuel system of the specific 3.0 TDI engine version, with no need for installation modifications.
• Consistent cooperation with the vehicle's electronics, including modules responsible for diagnostics and fuel level indications.
• Reduced risk of leaks and fuel system venting issues due to the preservation of the original geometry and mounting method.
• Stable fuel system operating parameters, which promotes smooth engine operation and correct starting characteristics.

The element from the Fuel pumps and level sensors group is crucial for maintaining proper pressure and continuity of fuel delivery, as well as for reliable readings on the dashboard.

Condition, origin, and installation aspects

The offered fuel pump with a level sensor comes from an Audi vehicle and is an OEM component, which means it retains the original design and compatibility with factory equipment. As a used part, it is a cost-effective solution for users who want to restore full functionality to the fuel system without investing in expensive replacements with uncertain parameters.

During installation, it is recommended to:

• use new seals and fasteners in accordance with factory guidelines,
• inspect the inside of the fuel tank for contaminants before installation,
• properly bleed the system after installation to avoid starting problems.

Why choose a used OEM part

In the case of highly specialized components such as fuel pumps and level sensors, a used OEM part often provides better parameter repeatability than cheaper replacements. You receive a component designed specifically for the given model, with the correct operating characteristics and full compatibility with the tank design and electrical wiring.

If you want to better understand when a used original part is a reasonable choice compared to a replacement, it is worth checking out the practical tips in the article 5 reasons why a used OEM part is a better choice than a replacement.

Expanding knowledge about electronics and sensors in the car

The fuel pump integrated with a level sensor works with the onboard electronics, so when diagnosing faults, it is worth considering both the mechanical part and the electrical signals. You can read about how to consciously approach the choice of used electronic components and sensors in the guide The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Other Audi fuel system components

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 additional in-tank pumps, power modules, or level sensors, check out the available parts in the Audi fuel pumps and level sensors category.