Ford Focus Mk2 Windscreen Washer Bottle Reservoir Filler Neck 4M51-17B644-AF

Ford Focus Mk2 Windscreen Washer Bottle Reservoir Filler Neck is an original component designed for the washer system in this popular model. Thanks to its factory origin, it ensures proper fluid routing from the filler to the reservoir, which translates into stable operation of the entire system. This is a practical solution for users who want to restore the full functionality of the washer system while maintaining compliance with Ford's design.

Specifications and technical data

• SKU: 4M51-17B644-AF
• Mark: Ford
• Condition: Used
• OEM Part Number: 4M51-17B644-AF
• Substitutable numbers: 4M51-17B644-AF, 4M5117B644AF
• Part type: Splash Guard
• Category: Splash Guards & Mud Flaps

Purpose and function of the component

The washer reservoir filler neck in the Ford Focus Mk2 is responsible for the safe and convenient refilling of washer fluid, as well as its proper delivery to the reservoir. A properly selected component minimizes the risk of leaks, facilitates maintenance, and allows for the correct operation of the windshield and headlight washers (if present in the vehicle's configuration).

Using an original component from the Ford group allows you to maintain compatibility with factory mounts, shape, and hose diameter, which is important for both durability and the comfort of daily operation.

Benefits of using the original filler neck

Choosing the right washer reservoir filler neck is important not only for tightness but also for ergonomics. The original component:

• ensures a perfect fit for the body and engine bay of the Ford Focus Mk2,
• reduces the risk of incorrect installation thanks to factory mounting points,
• supports stable operation of the washer system in various operating conditions.

As a result, the driver gains confidence that the washer system will work predictably, and refilling the fluid will remain quick and convenient.

Product characteristics and fitment

The presented filler neck comes from the Ford group, which means it was designed with the specific structural requirements of the second-generation Focus in mind. The element is part of the body system related to protection against dirt and external factors, and its geometry is adapted to the factory routing of hoses and the layout in the engine bay.

The product is offered as a used component, which allows for economical vehicle repair while maintaining the manufacturer's original specifications. This solution is particularly beneficial for comprehensive service work within the washer system or after body repairs.

Condition and service application

The used washer reservoir filler neck is a good choice in situations where the existing element has suffered mechanical damage, deformation, or leakage. Replacing this component is a typical service operation performed after collisions, front-end repairs, or long-term operation in difficult conditions.

Due to its factory origin, installation is carried out using the original mounting points, without the need for modifications or fitting universal replacements. This reduces labor time and limits the risk of problems with subsequent system maintenance.

Related Ford body components

If you are planning a comprehensive repair or upgrade of the body area in your Ford and need other elements from the same group, such as covers, protective elements against dirt, or additional protective components, check out the available parts in the Ford Mud Flaps category.

Additional information on part selection

When selecting body elements and washer system accessories, it is worth paying attention to compatibility with the specific model version and production year. For premium brand cars, it may be useful to use the VIN number for precise component identification – you can find more on this topic in the article How to select original used parts for BMW, Audi, and Mercedes using the VIN number?, which discusses practical rules for matching parts based on vehicle data.