Volkswagen Polo 6r Crafter TR Golf 5G Washer Reservoir Cap Filler Neck 3Q0955455

Volkswagen Polo 6r Crafter TR Golf 5G Washer Reservoir Cap Filler Neck is an original Volkswagen Group washer system component designed for use with the fluid reservoir. Thanks to its factory origin, it ensures precise fitment for dedicated models and a tight seal for the system. It is a practical solution for users who want to maintain consistency with the vehicle's factory specifications and avoid issues with leaks or ill-fitting aftermarket replacements.

Specifications and technical data

• SKU: 3Q0955455-2
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3Q0955455
• Substitutable numbers: 3Q0955455, 3Q0 955 455
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the washer system

The washer reservoir cap is responsible for securely closing the washer fluid reservoir filler neck, protecting the system from contaminants, excessive evaporation, and accidental fluid spills. In vehicles such as the Polo 6R, Crafter, or Golf 5G, a properly selected cap is essential for maintaining stable operating pressure in the system and ensuring the correct operation of pumps and washer nozzles. The original design allows for maintaining compliance with the factory filler neck geometry and the locking mechanism.

Construction and fitment for Volkswagen models

The component belongs to the Washer fluid reservoirs, pumps, and nozzles group, meaning it has been designed to work with the factory reservoir and equipment in Volkswagen vehicles. The cap's construction is adapted to standard filler neck diameters and the latching method, allowing for installation without the need for modifications. Using an original component minimizes the risk of looseness, leaks, and closing issues that often occur with random aftermarket replacements.

Performance characteristics of the used component

The offered cap comes from the secondary market, which allows for an economical replacement while maintaining factory origin. A used component of this type is particularly attractive where compatibility with the original system and reasonable repair costs are a priority. The cap is intended for further use after installation in a functional fluid reservoir, without the need for interference with the vehicle's electrical or hydraulic systems.

Benefits of using an original washer reservoir cap

Using a factory cap in Volkswagen vehicles translates into several practical advantages:

• maintaining proper tightness of the washer fluid reservoir,
• secure fastening due to fitment to the standard filler neck,
• reducing the risk of dirt and moisture entering the system,
• maintaining consistency with other washer system components,
• easier part identification thanks to manufacturer markings. For users who care about technical correctness of repairs and compliance with service documentation, choosing an original cap is a safe and predictable solution in terms of operation. If you are planning a comprehensive repair or upgrade of the washer system area in your Volkswagen and need other components from the same group, such as fluid reservoirs, pumps, or washer nozzles, check the available parts in the Volkswagen washer fluid reservoirs, pumps, and nozzles category.

Part selection by markings and integration with other systems

When selecting washer system components – similar to the fuel system – it is crucial to use manufacturer markings and reference numbers to avoid compatibility issues. In workshop practice, an approach based on verification via VIN and OEM numbers proves effective, allowing for the selection of the cap and other components in a way that is consistent with the vehicle's factory configuration. You can find more about the principles of selection and diagnostics of components similar in construction to reservoirs and pumps in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration", which discusses practical procedures for part identification and operation.

Summary

Volkswagen Polo 6r Crafter TR Golf 5G Washer Reservoir Cap Filler Neck is a practical choice for drivers and workshops that prioritize original solutions within the washer system. A used, factory component from the Volkswagen Group allows for restoring the proper functionality of the fluid reservoir while maintaining compatibility with the vehicle's design and reducing repair costs. It is a reasonable option when servicing the system responsible for visibility and driving safety in difficult weather conditions.