Audi A8 D4 Fuel Tank Pump Sender Unit Right O/S 3.0 TDI 4H0201317J

Audi A8 D4 Fuel Tank Pump Sender Unit Right O/S is an original fuel system component designed for the right side of the fuel tank in Audi A8 D4 generation models. Integrating the pump with the fuel level sender ensures stable engine operation and precise fuel level readings on the instrument cluster, which translates into comfort and predictable vehicle performance.

Specifications and technical data

• SKU: 4H0201317J
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0201317J
• Substitutable numbers: 4H0201317J, 4H0 201 317 J, A2C53338327
• Location on the vehicle: Right
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented fuel pump with level sender is a fuel system component responsible for transporting fuel from the tank to the injection system and measuring its quantity. Mounted on the right side of the tank, it works with the vehicle's electronics, ensuring:

• adequate fuel pressure across the entire engine load range,
• stable fuel supply during acceleration, braking, and highway driving,
• continuous fuel level measurement and signal transmission to the instrument cluster.

By combining the pump and sensor functions into a single module, the number of connections in the tank is reduced, which contributes to greater fuel system reliability.

Module construction and benefits of using OEM Audi parts

The fuel pump module in the Audi A8 D4 is designed as a complete unit mounted in the tank, integrated with a float and level sensor. The original Audi design ensures:

• precise fitment to the geometry of the tank on the right side,
• proper cooperation with the electrical installation and engine control unit,
• a correctly calibrated fuel level sensor for the Audi A8 D4 gauges.

Using a factory Audi solution minimizes the risk of tank venting issues, incorrect fuel level readings, or pressure drops under high engine load.

Vehicle placement and installation aspects

The fuel pump with level sender is designed for installation on the right side of the fuel tank. Proper placement is crucial for:

• correct fuel suction at various tank fill levels,
• proper operation of the float and level sensor,
• trouble-free installation in the original service opening.

When replacing, it is recommended to follow Audi service procedures, including checking the module cover seal and the condition of fuel and electrical lines. This allows the module to operate in a stable and predictable manner for a long time.

Using a pre-owned fuel pump in Audi A8 D4 service

Choosing a pre-owned fuel pump module with a level sender for the Audi A8 D4 is often a cost-effective solution for repairing advanced fuel systems. It allows for cost reduction while maintaining:

• the manufacturer's original technical specifications,
• compatibility with the electrical installation and engine control unit,
• consistency of fuel level readings with the factory gauge scale.

To correctly select fuel system components and sensors, it is worth using guides on identification by OEM numbers and installation principles. Practical tips can be found in the article on selecting and installing used ECU modules and sensors in modern cars, which discusses, among other things, compatibility and diagnostics issues.

Expanding Audi fuel system service

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