Mercedes W207 Headlamp Headlight Washer Pipe Hose Line Nozzle A2078300596

The Mercedes W207 Wiper Washer Hose is an original component of the washer system from the Washer Tanks, Pumps, and Nozzles group, designed for precise fluid delivery to the windshield in W207 series models. A correctly selected washer hose ensures stable fluid flow, which translates to clear visibility and safe vehicle operation in various weather conditions. This is a practical solution for users who want to restore the proper function of their washer system while maintaining the factory specifications of a Mercedes.

Specifications and technical data

• SKU: A2078300596
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2078300596
• Substitutable numbers: A2078300596, A 207 830 05 96
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Function in the Washer System

The Wiper Washer Hose for Mercedes W207 is responsible for transporting fluid from the tank and pump to the washer nozzles. A correctly selected component:

• maintains system integrity under pump pressure,
• minimizes the risk of leaks and reduced spraying performance,
• ensures even fluid distribution onto the windshield, supporting effective wiper operation,
• helps maintain the factory visibility system parameters in a Mercedes vehicle.

By using a component from the same design group as the original parts, the washer system retains the correct flow characteristics and compatibility with other sub-assemblies, such as the tank, pump, and nozzles.

Original Origin and Fitment for Mercedes

The product comes from the Mercedes line, meaning its geometry, diameters, and mounting points are consistent with the factory design of the W207 body. This ensures that:

• the hose is routed according to the manufacturer's intended path,
• it does not interfere with other installations in the engine bay or under the hood,
• installation is simplified without the need for modifications or custom brackets.

Such precise fitment reduces the risk of stress, kinks in the hose, or accidental rubbing against other components, which contributes to the long-term durability of the entire washer system.

Component Condition and Operational Aspects

The offered washer hose is a used part, which allows for a favorable purchase price while maintaining the original Mercedes specifications. For this type of component, it is crucial that:

• the hose retains its flexibility suitable for operation in the engine bay,
• the end connections allow for a leak-free installation with the pump and nozzles,
• its shape and length match the factory routing within the W207 body.

Using an original washer hose allows for restoring the system's proper function after mechanical damage, material aging, or previous unprofessional repairs.

Benefits of Using a Dedicated Washer Hose

Choosing a dedicated washer hose for the Mercedes W207 offers a range of practical benefits:

• Stable Washer System Operation – proper fluid flow and no air pockets support effective windshield cleaning.
• Compatibility with Factory Equipment – perfect fit with the tank, pump, and nozzles eliminates issues with installing aftermarket parts of random dimensions.
• Consistency with W207 Body Design – the hose is routed according to the manufacturer's design, facilitating servicing and future inspections.
• User Safety – a functional washer system enhances visibility in rain, snow, and road debris.

Expanding the Washer System and Part Selection

If you are planning a comprehensive repair or upgrade of the visibility zone in your Mercedes and need other parts from the same group, such as hoses, tanks, or fluid pumps, check the available parts in the category Mercedes Washer Tanks, Pumps, and Nozzles.

To better understand the relationships between individual components in a car and the importance of correct part selection by identification numbers, it is worth reading the guide on our blog: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. Although it concerns a different system, it illustrates universal principles of diagnostics, OEM number selection, and conscious operation of automotive components.