Land Rover Discovery Sport L550 Windscreen Washer Filler Neck LK72-17C615-AB

Land Rover Discovery Sport L550 Windscreen Washer Filler Neck is an original washer system component designed for direct integration with the factory fluid reservoir in the Discovery Sport L550 model. Thanks to its precise fit to the Land Rover body structure, it ensures stable fluid guidance, convenient refilling, and a secure system seal, which translates into trouble-free operation during daily driving. This is the ideal solution for users who want to maintain factory washer performance without experimenting with aftermarket replacements.

Specifications and technical data

• SKU: LK72-17C615-AB
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LK72-17C615-AB
• Substitutable numbers: LK72-17C615-AB, LK7217C615AB, LR127335
• Category: Washer Pumps, Reservoirs & Nozzles

Function and role of the washer filler neck

The washer filler neck in the Discovery Sport L550 is responsible for safe and controlled fluid delivery from the filler to the reservoir, minimizing the risk of leaks and system aeration. A properly selected component for this section of the washer system:

• facilitates fluid refilling even in a cramped engine bay,
• ensures a tight connection with the factory reservoir,
• reduces the risk of engine bay contamination while topping up fluid,
• supports stable operation of pumps and washer nozzles in various weather conditions. In the event of damage, cracking, or loss of seal in the neck, the washer system may lose fluid, which reduces windshield cleaning efficiency and directly impacts driving safety.

Why choose a Land Rover brand component

The original washer filler neck dedicated to the Discovery Sport L550 was designed by the vehicle manufacturer, maintaining factory assembly tolerances and geometry. In practice, this means:

• secure fitment with mounts and the fluid reservoir,
• maintenance of the flow diameter specified by the manufacturer,
• compatibility with the existing Washer fluid reservoirs, pumps, and nozzles system in the Land Rover,
• no need for modifications or adjustments during installation. Such a solution is particularly beneficial for users who want to maintain the integrity of the entire washer system and avoid problems resulting from the use of random replacements.

Characteristics of the used component

The presented washer filler neck is a used part, sourced from vehicle dismantling. Such components are frequently chosen by informed users because they allow for the preservation of original build quality while optimizing repair costs. A used OEM element in many cases fits into the existing system better than a new replacement of uncertain origin. Additionally, the product has an assigned OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific Discovery Sport L550 equipment version and reduces the risk of purchasing an incompatible part.

Selection and integration with the washer system

The filler neck is part of a larger system in which it works with the reservoir, pumps, and washer nozzles. Proper selection of this element is important for:

• maintaining the proper seal of the entire system,
• ensuring the correct fluid level in the reservoir,
• stable pump operation at varying temperatures,
• protection against contaminants entering the reservoir. If you want to better understand the operating principles of similar vehicle systems, including diagnostics and component selection by OEM numbers, our blog article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. Although it concerns the fuel system, it discusses universal principles of systems with pumps, reservoirs, and lines, which are also useful when analyzing the washer system.

Expanding the washer system in your Land Rover

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