Mercedes W205 Breather Valve Vent Hose Pipe A2740905600

Mercedes W205 Breather Valve Vent Hose Pipe is an original engine system component from the Lines, hoses and pipes group, designed for use in Mercedes vehicles. Thanks to its factory geometry and precisely selected cross-section, it ensures stable gas flow within the power unit, supporting the proper operation of the valve and the entire system.

Specifications and technical data

• SKU: A2740905600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740905600
• Substitutable numbers: A2740905600, A 274 090 56 00, A2740182201, A 274 018 22 01
• Category: Hoses, Lines & Pipes

Purpose and function in the engine system

The Mercedes W205 Breather Valve Vent Hose Pipe is responsible for the controlled discharge of gases from a specific area of the power unit, which limits unwanted overpressure and helps maintain stable operating parameters. A properly selected hose minimizes the risk of leaks, uncontrolled discharge, and malfunctions of related components.

This original component from the Lines, hoses and pipes group ensures proper fitment to connectors, adequate flexibility under engine operating conditions, and compatibility with factory mounts and installation routing.

Benefits of using the original breather hose

Using a dedicated hose in a Mercedes W205 translates into a number of practical operational benefits:

• maintaining proper gas circulation within the power unit,
• reducing the risk of system depressurization and unwanted air intake,
• stable cooperation with the factory valve and other lines,
• maintaining the original installation routing under the hood.

As a result, the hose supports smooth engine operation and facilitates diagnostics – the mechanic can be sure that the component complies with the manufacturer's factory specifications.

Component condition and installation aspects

The offered breather valve vent hose is an aftermarket part, which allows for an economical replacement while maintaining the original design. This solution is particularly beneficial for repairs where matching the factory mounting system and maintaining the serial configuration of the lines is crucial.

In practice, installation involves removing the worn-out line and seating the presented hose in the existing connection points. The properly selected length and shape facilitate service work, reducing the time required for replacement and limiting the risk of incorrect hose routing.

Selection by numbers and compatibility verification

When selecting components such as the breather valve vent hose for a Mercedes, it is always worth relying on catalog numbers and interchangeable numbers assigned to a specific reference. This allows you to avoid installing a hose with the wrong diameter, length, or geometry, which could result in leaks or stress in the system.

If you want to learn more about the safe selection of parts by numbers, practical methods of comparing references, and ways to verify the compatibility of Mercedes and BMW components, check out the tips in the article Online parts shopping without risk – 5 proven ways to verify component compatibility using OEM numbers and paint codes.

Expanding the line system in a Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as vacuum lines, crankcase ventilation hoses, or fluid supply pipes, check out the available parts in the Mercedes lines, hoses and pipes category.