Mercedes-Benz E-Class W211 Headlamp Cleaning Coolant Return Hose A2118321394

The MERCEDES E W211 Washer Hose Pipe Tube is an original component of the washer system designed for the E-Class W211 models. Thanks to its factory geometry and fit, it ensures stable fluid pressure and uniform supply to the nozzles, which translates to a clear windshield and safe visibility in various weather conditions.

Specifications and technical data

• SKU: A2118321394
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118321394
• Substitutable numbers: A2118321394, A 211 832 13 94, BG

Function and Role in the Washer System

The washer hose in the Mercedes E-Class W211 is responsible for transporting fluid from the reservoir and pump to the nozzles on the windshield. A correctly selected hose:

• ensures a leak-proof fluid path along the entire system,
• maintains proper flow, reducing the risk of nozzle "spitting" and uneven spraying,
• minimizes the risk of air ingress and pressure drops in the system.

Using a component with a design that matches the factory specifications is particularly important in vehicles equipped with advanced washer systems, where both temperature resistance and dimensional stability of the hose are crucial.

Original Origin and Fit

The hose has been designed specifically for use in the Mercedes E-Class W211, meaning its shape, diameter, and routing points correspond to the manufacturer's factory specifications. This ensures:

• installation occurs in the mounting points designated by the manufacturer,
• the hose does not rub against adjacent engine bay or body components,
• compatibility with original washer system connectors and tees is maintained.

Such a precise fit reduces the risk of subsequent leaks and premature wear resulting from improper hose routing.

Characteristics of a Used Part

The offered washer hose is a used part, sourced from disassembly. In practice, this means the component retains its factory construction and geometry, while also offering an economical alternative to a new part. For washer hoses, it is particularly important that:

• the hose walls retain their flexibility and are not excessively cracked,
• the connection ends allow for a secure fit onto the spigots,
• the hose shows no signs of previous makeshift repairs (e.g., with tape or glue).

Choosing a used part with its material structure intact allows for the proper functioning of the washer system without the cost of purchasing a new component.

Why Use Original Hoses in a Mercedes W211

Using hoses of incorrect diameter or length in washer systems can lead to a range of operational problems. An original hose dedicated to the W211 helps avoid these issues because it:

• is optimized for fluid flow and washer pump operation,
• accounts for the factory routing in the engine bay and bulkhead area,
• reduces the risk of fluid freezing in critical areas due to proper routing.

Choosing such a solution is particularly beneficial for comprehensive washer system maintenance, such as after replacing nozzles, the pump, or bulkhead components.

Selecting Used Parts and Service Savings

When planning repairs, it's worth considering that well-selected used parts can significantly reduce vehicle maintenance costs while maintaining correct system operating parameters. This topic is discussed in more detail in the expert guide: Why it's worth choosing used mechanical components in premium cars, which presents practical cost ratios and procedures for selection by identification numbers.