Audi A3 8V Golf MK7 Windshield Washer Fluid Reservoir Bottle Tank 5Q0955449AT

Audi A3 8V Golf MK7 Windshield Washer Fluid Reservoir Bottle Tank is an original component from the Windshield washer fluid reservoirs, pumps, and nozzles group, designed for installation in VAG group vehicles. This used, factory-original part ensures proper supply to the washer system, stable mounting, and compatibility with the vehicle's factory installation.

Specifications and technical data

• SKU: 5Q0955449AT
• Mark: Audi
• Condition: Used
• OEM Part Number: 5Q0955449AT
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the vehicle

The presented windshield washer fluid reservoir is a component of the system responsible for delivering fluid to the windshield washer nozzles, and depending on the vehicle configuration, also to other windows or headlights. Its task is to safely store the fluid, maintain system tightness, and work in conjunction with the washer pump and hoses.

Thanks to its factory design, the reservoir is matched to the mounting space in the wheel arch or engine compartment, which facilitates service and reduces the risk of collision with other components. The properly shaped housing allows for stable mounting and correct routing of hoses and connectors.

Construction and technical features

The reservoir is made of plastic adapted to operate in variable temperature conditions, typical for the engine compartment and wheel arch. The design provides space for mounting the washer pump and connection ports for the hoses supplying fluid to the nozzles. The shape and arrangement of the mounts are consistent with the solutions used factory-wide in the Audi A3 8V and Volkswagen Golf MK7.

The original construction helps maintain system tightness, reduces the risk of leaks, and facilitates the bleeding of hoses. The reservoir is designed to allow for convenient fluid refilling and level monitoring in accordance with the manufacturer's factory specifications.

Condition and benefits of using a used part

The offered item comes from the used parts segment, which allows for lower repair costs while maintaining factory geometry and fitment. In the case of windshield washer fluid reservoirs, it is particularly important that the housing is free from cracks and leaks, and that the mounting points remain stable – using an original used part helps meet these requirements.

For many VAG group vehicle users, choosing a used OEM reservoir is a reasonable compromise between cost and quality, especially in situations of mechanical damage resulting from collisions, corrosion of mounting elements, or interference in the wheel arch.

Selection, installation, and compatibility

Due to the specific shape and arrangement of the mounts, the windshield washer fluid reservoir intended for the Audi A3 8V and Golf MK7 should be selected taking into account the body version and the configuration of the washer system. In practice, installation involves removing the wheel arch liner or covers, disconnecting the hoses and electrical connectors of the pump, and then transferring the components to the new reservoir and re-securing the entire assembly in the vehicle.

Proper selection of parts according to the manufacturer's markings minimizes the risk of problems with fitment, leaks, or collisions with other components in the mounting compartment. As a result, service is predictable and vehicle downtime is limited.

Washer system expansion and related parts

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 additional reservoirs, pumps, or nozzles, check the available parts in the Audi windshield washer fluid reservoirs, pumps, and nozzles category.

To better understand the importance of proper selection of consumables and their service methods, it is worth reading the guide on fuel supply systems – you will find practical tips on diagnostics, selection by manufacturer markings, and component regeneration: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you want to optimize service costs while still using factory components, the guide on an economical approach to repairs using second-hand parts may also be helpful: Rising repair costs and the boom in used parts – how to save on car service?.