Land Rover Discovery L319 Nozzle Spray Rear Window Tailgate Washer Jet DNJ500260

Land Rover Discovery L319 Nozzle Spray Rear Window Tailgate Washer Jet is a precision component of the window cleaning system, responsible for evenly distributing fluid onto the rear window. Thanks to the correct spray pattern, it ensures clear visibility in the rearview mirror and safe driving in rain, snow, and mud. It is a practical solution for users who want to maintain the efficiency of the washer system without the costly replacement of entire assemblies.

Specifications and technical data

• SKU: DNJ500260
• Mark: Land Rover
• Condition: Used
• OEM Part Number: DNJ500260
• Substitutable numbers: DNJ500260, 5H32-13W023-AA, 5H3213W023AA
• Location on the vehicle: Rear
• Part type: Washer Nozzle
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function of the nozzle

The described nozzle is a component of the Washer fluid reservoirs, pumps, and nozzles system, responsible for the final stage of delivering fluid to the rear window. Mounted in the rear part of the body, it works with the factory pump and hoses, creating a cohesive window cleaning system in the Land Rover Discovery L319. The properly selected geometry of the working orifice allows for a stable, directed stream of fluid, which reduces consumption and improves wiping efficiency.

By maintaining the original design for this model, the nozzle works with the factory wiper arm and standard controls, without the need for system modifications. This solution is particularly beneficial for drivers who expect repeatable, predictable washer performance in all weather conditions.

Benefits of using the original rear nozzle

Using a dedicated rear nozzle in the Land Rover Discovery L319 translates into a number of practical operational benefits:

• Stable spray angle – proper coverage of the working surface of the glass, without "dead zones".
• Optimal cooperation with the wiper – the fluid hits exactly the area of the blade's operation, which improves visibility.
• Consistency with the factory system – no need for modifications to mounts or fluid lines.
• Maintenance of the washer system performance parameters assumed by the manufacturer.

The element placed on the rear of the vehicle is particularly exposed to dirt, road deposits, and weather conditions. Replacing a worn or clogged nozzle with a functional part allows for the restoration of the correct fluid spray distribution, which has a direct impact on driving comfort and safety.

Installation and operational characteristics

The nozzle is designed for installation in the rear zone of the body, in the location provided by the vehicle manufacturer. Thanks to the preservation of the original mounting geometry, installation is orderly and does not require interference with the tailgate structure or the washer fluid system. This is a beneficial solution for both workshops and users servicing the car themselves.

In daily operation, a properly functioning nozzle reduces the risk of excessive fluid consumption and also reduces the load on the washer pump. Maintaining the correct pressure and spray direction is particularly important in vehicles used off-road, where the rear window is heavily soiled with mud and dust.

Condition and origin of the component

The offered rear window washer nozzle comes from the Land Rover parts group and is intended for re-installation in a vehicle. As a used part, it represents an economical solution for drivers who want to restore full functionality to the washer system while maintaining reasonable service costs. Choosing such a component allows for maintaining consistency with the factory vehicle specification, which is important from the point of view of long-term operation.

Expansion of washer system service and related systems

When working on the rear window washer system, it is worth paying attention to the condition of hoses, seals, and the fluid itself to avoid recurring faults resulting from contamination or leaks. A good practice is periodic inspection of the entire fluid flow path – from the reservoir, through the pump, to the final nozzles – which allows for maintaining stable operating parameters in the long term.

If you want to better understand the relationships between individual components in a car, including the principles of selecting parts by identification numbers and good service practices, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. Although it concerns a different system, it discusses a universal approach to diagnostics, regeneration, and selection of elements in modern vehicles.

If you are planning a comprehensive repair or modernization of the area responsible for delivering washer fluid in your Land Rover and need other elements from the same group, such as reservoirs, pumps, or additional nozzles, check the available parts in the category Land Rover washer fluid reservoirs, pumps, and nozzles.