Ford Focus Mk3 Windscreen Washer Filler Neck Bottle Pipe Cap BM51-17C615-AC

The Ford Focus Mk3 Washer Fluid Filler Neck Funnel is an original part of the washer system from the washer fluid tanks, pumps, and nozzles group, designed for direct installation in Ford vehicles. It ensures convenient fluid refilling and a stable connection to the tank, reducing the risk of leaks and operational issues.

Specifications and technical data

• SKU: BM51-17C615-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: BM51-17C615-AC
• Substitutable numbers: BM51-17C615-AC, BM5117C615AC
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Function in the Washer System

The Ford Focus Mk3 Washer Fluid Filler Neck / Funnel is responsible for safely directing fluid from the filler opening in the engine bay to the working reservoir. A correctly chosen part:

• stabilizes the connection between the filler cap and the fluid tank,
• minimizes the risk of splashing and fluid loss during refilling,
• facilitates servicing – the filler opening is clear and accessible,
• supports the proper operation of pumps and nozzles by maintaining system integrity.

Thanks to its precise fit for the Ford Focus Mk3 design, this part works seamlessly with other components in the washer fluid tanks, pumps, and nozzles category, maintaining factory geometry and mounting methods.

Construction and Fit for Ford Focus Mk3

The offered filler neck has been specifically designed for the engine bay architecture of the Ford Focus Mk3. This means that:

• mounting points are compatible with factory body brackets,
• the diameter and shape of the hose are matched to the original fluid tank,
• the filler profile allows for convenient use of a funnel or direct pouring from a canister,
• the routing of the neck does not interfere with other components in the engine bay.

Such a precise fit minimizes the need for modifications and allows for installation according to the vehicle manufacturer's specifications.

Benefits of Using an Original Filler Neck

Choosing a part from the Ford OE group within the washer fluid tanks, pumps, and nozzles category translates into tangible operational benefits:

• Factory Compatibility – maintains the original washer system geometry and proper fit with the body.
• Stable Sealing – reduces the risk of leaks at the filler-to-tank connection, helping to maintain the correct fluid level.
• Predictable System Performance – pumps and nozzles operate under conditions close to factory settings, without disruptions caused by improper fluid delivery.
• Easier Diagnostics – in case of washer system issues, non-factory modifications in the filler area can be more quickly ruled out.

Condition, Origin, and Service Application

This part originates from a Ford vehicle and is offered as a used component, allowing for an economical repair of the washer system while maintaining original specifications. This type of component is particularly useful in situations where:

• mechanical damage to the neck has occurred due to a collision or improper disassembly,
• leaks are present around the filler opening and the entire hose needs replacement,
• a comprehensive overhaul of the washer system is being performed, including the replacement of the tank, pumps, and nozzles.

By adhering to OEM standards, this part integrates well into professional repairs carried out in both independent workshops and specialized Ford service centers.

Part Selection by OEM and Integration with Other Components

When selecting components such as filler necks, tanks, pumps, or nozzles, it is crucial to use manufacturer designations and reference numbers. This allows for:

• precise matching to a specific body and engine version,
• avoiding installation problems arising from structural differences between model variants,
• maintaining consistency throughout the washer system within a single vehicle generation.

More on the practical selection of parts by OEM numbers and the importance of correct part identification in vehicle systems can be found in the article: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses the approach to diagnostics and component selection using another key car system as an example.

If you are also looking for other parts in the Ford washer fluid tanks, pumps, and nozzles category, check out our offer: Ford washer fluid tanks, pumps, and nozzles, to complete the entire system based on parts compliant with factory specifications.