Volkswagen Golf Mk7 Audi S3 8V Windscreen Washer Bottle Tank 5Q0955449BA

Volkswagen Golf Mk7 Audi S3 8V Windscreen Washer Bottle Tank is an original washer system component designed for Volkswagen Group vehicles. Thanks to its factory-spec design, it ensures proper supply to the washer system and stable operation of the entire windshield cleaning system, which translates into safe and comfortable driving in difficult weather conditions. As part of the Washer fluid tanks, pumps, and nozzles group, it provides a solid foundation for restoring full system efficiency.

Specifications and technical data

• SKU: 5Q0955449BA
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5Q0955449BA
• Substitutable numbers: 5Q0955449BA, 5Q0 955 449 BA
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the vehicle

The presented washer fluid tank has been designed specifically for the seventh-generation Volkswagen Golf and Audi S3 8V models, which guarantees a proper fit with factory mounts and the bodywork layout. It is responsible for storing the fluid and providing a stable supply to the pumps and nozzles, minimizing the risk of air pockets and interruptions in washer operation.

A properly selected tank is particularly important in vehicles used year-round, where the washer system must work reliably both during heavy rainfall and in winter conditions. Using an original component allows you to maintain the factory operating characteristics of the system and reduces the risk of leaks resulting from imprecise fitment.

Construction and integration with the washer system

As an element from the Washer fluid tanks, pumps, and nozzles group, the tank is adapted to work with factory pumps and fluid line installations. The design includes appropriate sockets and connection ports, which facilitates installation and subsequent maintenance. This makes it possible to maintain the correct flow of fluid to the front and – depending on the vehicle configuration – also the rear washers.

The original geometry of the tank ensures proper positioning in the engine bay, taking into account the space for adjacent components. This helps avoid stress, rubbing against other parts, and potential damage resulting from improper installation. A well-fitted tank also facilitates easier fluid level monitoring and convenient refilling.

Benefits of using an original used component

Choosing a used, original washer fluid tank is a solution that is beneficial both technically and economically. The factory component maintains compliance with the vehicle manufacturer's design, which translates into:

• a secure fit to the mounts and installation in the Volkswagen Golf Mk7 and Audi S3 8V,
• stable cooperation with washer pumps and nozzles,
• reduced risk of leaks and improper fluid flow,
• maintaining system consistency with other body and equipment components.

A used OEM element allows you to maintain the high quality of workmanship characteristic of the manufacturer while reducing repair costs compared to new parts. It is a practical solution for users who want to restore the full functionality of the washer system without compromising on factory standards.

Selection by part numbers and integration with other components

The selection of the correct tank for a specific vehicle body version and equipment should be based on identification data, such as the OEM part number or interchangeable numbers. This helps avoid installation problems and ensures compatibility with the existing washer installation. In case of doubt, it is worth verifying compatibility by the VIN or consulting with the technical department.

For users who want to deepen their knowledge on selecting consumables by catalog and OEM numbers, an article describing the principles of operation and maintenance of other vehicle systems – especially in the context of part identification – may be helpful. Practical tips can be found in the material Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where the importance of OEM numbers and methods of their use in component selection are discussed, among other things.

Expansion and service of the Volkswagen washer system

If you are planning a comprehensive repair or upgrade of the area responsible for visibility and windshield cleanliness in your Volkswagen and need other elements from the same group, such as additional tanks, pumps, or washer nozzles, check the available parts in the Volkswagen washer fluid tanks, pumps, and nozzles category.

Such an approach allows you to restore the full efficiency of the entire system in one service stage, reduce vehicle downtime, and minimize the risk of further interventions in the short term. Replacing the tank along with other elements from this group promotes long-term, stable washer operation and improves driving safety in daily use.