Mini Cooper F55 F56 Windscreen Washer Bottle Lid Upper Filler Pipe 7301628

Mini Cooper F55 F56 Windscreen Washer Bottle Lid Upper Filler Pipe is an original washer system component designed to tightly seal the fluid filler neck in Mini vehicles. It ensures secure fluid line routing, protects against contaminants, and reduces the risk of leaks, which translates into stable operation of the entire washer system.

Specifications and technical data

• SKU: 7301628-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7301628
• Substitutable numbers: 7301628, 61667301628
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the washer system

The presented filler cap is a component from the Washer fluid reservoirs, pumps, and nozzles group, responsible for closing the reservoir service opening. Its tasks include:

• maintaining proper fluid filler tightness,
• protecting the inside of the reservoir from dust, mud, and moisture from the outside,
• stable routing of the hose or cap hinge (depending on the design),
• ensuring convenient access when refilling washer fluid.

Thanks to its precise fit to the filler socket, the cap minimizes the risk of contaminants entering the system, which supports the uniform operation of the washer pumps and nozzles.

Benefits of using an original Mini component

The original Mini washer fluid filler cap has been designed for the specific geometry of the filler neck in F55 and F56 models, which translates into:

• secure fit with the filler socket without the need for modifications,
• proper operation of latches and hinges,
• compatibility with the factory reservoir and washer system equipment,
• maintaining the factory aesthetics of the engine bay.

Using an original component reduces the risk of leaks that may occur with replacements of inaccurate dimensions or different material hardness.

Condition, fitment, and service application

The item is offered in used condition, which allows for an economical replacement of a damaged or missing cap while maintaining the manufacturer's original specifications. This is a practical solution in situations where:

• mechanical damage to the flap or hinge has occurred,
• the cap does not close properly and contaminants appear in the reservoir,
• it is necessary to restore the completeness of the washer system after body repairs or reservoir replacement.

Thanks to the preservation of the factory shape and mounts, the cap can in most cases be installed directly, without additional adaptations.

Technical support, diagnostics, and part selection

When performing service work in the engine bay, it is worth remembering that a functional washer system affects visibility and driving safety, just like other vehicle maintenance systems. To deepen your knowledge about selecting components by catalog numbers and the principles of fuel system diagnostics, it is worth reading the article: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, the practice of using OEM numbers when searching for parts.

Expanding the washer system in a Mini

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

If you are interested in broader use of aftermarket elements for car modifications and personalization, the following guide may be helpful: The best used parts for tuning your car, which describes how to consciously select used components in terms of quality and cost-effectiveness.