Audi A6 C6 Washer Tank Reservoir Bottle Upper Filler Neck Pipe Line 4F0955452A

Audi A6 C6 Washer Tank Reservoir Bottle Upper Filler Neck Pipe Line is a component of the washer fluid system, responsible for the secure and leak-proof delivery of fluid from the reservoir to the service filler neck. Thanks to its factory-spec geometry and precise fit for the Audi body, this part from the Washer fluid reservoirs, pumps and nozzles group allows for the efficient replacement of a damaged pipe without interfering with the vehicle's structure.

Specifications and technical data

• SKU: 4F0955452A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0955452A
• Substitutable numbers: 4F0955452A, 4F0 955 452 A
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the washer system

Audi A6 C6 Washer Tank Reservoir Bottle Upper Filler Neck Pipe Line operates in the engine bay and wheel arch area, connecting the filler cap to the reservoir itself. It is responsible for hassle-free fluid refilling, maintaining a tight seal, and securely routing the pipe through factory mounting points. A correctly selected pipe eliminates the risk of leaks, air entering the system, and fluid spilling outside the reservoir.

The component is structurally matched to the Audi A6 C6 generation body, which facilitates installation in the original brackets and guides. Maintaining the correct routing of the pipe is important for both durability and convenience during routine fluid top-ups.

Construction and technical features

The filler neck pipe belongs to the group of components forming the complete flow path in the washer system, along with the reservoir, pump, and nozzles. Its shape is adapted to the installation space in the Audi A6 C6, which minimizes stress and reduces the risk of abrasion against adjacent components. The material used is resistant to typical operating temperatures in the engine bay and contact with standard washer fluids.

The ends of the pipe are prepared for compatibility with factory connectors and seals, allowing the system's integrity to be maintained without additional modifications. As a result, the pipe can be installed as a direct replacement for the original part, while maintaining the parameters specified by the vehicle manufacturer.

Condition, installation, and service application

The offered filler neck pipe comes from the used parts group, which allows for an economical repair while maintaining the original design specifications. This type of component is particularly useful for mechanical damage, such as cracks, breakage at the brackets, or leaks caused by wear or collisions.

Replacing the filler neck pipe is recommended when leaks are observed in the wheel arch or engine bay area while topping up fluid, or when the filler cap loses its stable support. Using an original solution from the Washer fluid reservoirs, pumps and nozzles group allows for restoring proper system operation without the need to adapt universal hoses.

Integration with other system components

The filler neck pipe works directly with the fluid reservoir, pump, and washer nozzles, creating a coherent system responsible for maintaining visibility on the windshield and – depending on the car's configuration – also on the headlights. A properly functioning fluid supply path facilitates the diagnostics of other components, as it eliminates the impact of leaks on the operation of the pump and nozzles.

If you are planning a comprehensive repair or upgrade of the washer system area in your Audi and need other elements from the same group, such as the reservoir, pump, or nozzles, check the available parts in the Audi washer fluid reservoirs, pumps and nozzles category.

Technical support and part selection

When selecting fluid and fuel system components, it is worth paying attention to compatibility with the manufacturer's markings and the configuration of the specific vehicle. For users interested in a broader perspective on issues related to component selection by factory markings, diagnostics, and regeneration, the guide article Fuel system – injectors, pumps and fuel tank: maintenance and regeneration may be helpful, as it discusses practical principles of working with factory numbers and service procedures.