Ford Transit Custom Mk2 Washer Bottle Reservoir Filler Neck PZ31-17N604-AA

Ford Transit Custom Mk2 Washer Bottle Reservoir Filler Neck is an original washer system component from the Washer fluid reservoirs, pumps and nozzles group, designed for installation in Ford vehicles. It ensures a tight and stable connection between the reservoir and the filler cap, which facilitates convenient fluid refilling and reduces the risk of leaks in the engine compartment.

Specifications and technical data

• SKU: PZ31-17N604-AA
• Mark: Ford
• Condition: Used
• OEM Part Number: PZ31-17N604-AA
• Substitutable numbers: PZ31-17N604-AA, PZ3117N604AA, 2680801
• Part type: Reservoir
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the washer system

The presented filler neck is a component dedicated to the washer system in the Transit Custom Mk2 model, where it is responsible for safely guiding fluid into the reservoir. A correctly selected filler neck minimizes the risk of air entering the line, facilitates quick fluid refilling, and helps keep the engine compartment tidy, without uncontrolled spills. Thanks to its factory origin, the correct diameters, mounting points, and geometry are maintained, which translates into secure seating in the bodywork and proper cooperation with other washer system components.

Advantages of using an original Ford component

Choosing an original washer fluid filler neck for the Transit Custom Mk2 primarily means:

• Factory fit to the body structure and washer fluid reservoir.
• Stable mounting, reducing vibrations and accidental disconnection of the line.
• Compatibility with the stock cap and washer system equipment.
• Consistency with other Ford brand components in terms of materials and workmanship. Such a solution facilitates installation, shortens service time, and reduces the risk of operational problems related to leaks or improper routing of the filler line.

Performance and installation characteristics

The filler neck is a component that, during daily operation, has direct contact with washer fluid and external factors in the engine compartment. Using an original component allows for maintaining adequate resistance to temperature, moisture, and chemical agents contained in operating fluids. When replacing, it is worth paying attention to:

• proper seating in the body socket,
• precise pressing against the fluid reservoir,
• checking for leaks after the first filling. Careful installation translates into trouble-free use of the washer system, especially in intensively used commercial vehicles.

Integration with other Ford washer system components

The filler neck works with other system components, such as the reservoir, pump, and washer nozzles. Structural consistency within one brand facilitates diagnostics and subsequent servicing – the mechanic is sure that the geometry and mounting points correspond to the manufacturer's factory specifications. If you are planning a comprehensive repair or upgrade of the washer system area in your Ford and need other elements from the same group, such as lines, connectors, or additional mounting elements, check the available parts in the Ford washer fluid reservoirs, pumps and nozzles category.

Selection by part numbers and technical support

The component has manufacturer markings and reference numbers that allow for precise identification and selection of the correct part for a specific vehicle version. In practice, this allows for avoiding compatibility issues and speeds up the service process, especially in professional workshops servicing commercial vehicle fleets. For users interested in a broader context of selection and operation of supply system components and working with OEM markings, a guide on our blog may be useful: Fuel system – injectors, pumps and fuel tank: maintenance and regeneration, which discusses, among other things, a practical approach to identifying parts by numbers and their proper operation.

Summary

Ford Transit Custom Mk2 Washer Bottle Reservoir Filler Neck is a practical, factory-fitted washer system component that facilitates daily vehicle maintenance and supports the trouble-free operation of the entire system. Using an original Ford component allows for maintaining structural consistency, reducing the risk of leaks, and ensuring convenient fluid refilling in an intensively used commercial vehicle.