Vacuum Pipe Mercedes W204 Hose Line Vacuum Pump A2044301829

The Vacuum Pipe Mercedes W204 Hose Line Vacuum Pump is a vacuum system component designed for use with the vacuum pump in Mercedes W204 models. It is responsible for stable, leak-free vacuum delivery, which translates to proper operation of vacuum-controlled systems such as brake assist and selected actuators. This is a practical solution for users seeking a proven, original component at a favorable price.

Specifications and technical data

• SKU: rhd-A2044301829
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044301829
• Substitutable numbers: A2044301829, A 204 430 18 29, EM
• Category: Vacuum Pumps

Application and Function in the Vacuum System

The vacuum hose working with the vacuum pump in the Mercedes W204 is responsible for transporting vacuum from the pump to further system components. A correctly selected and sealed hose:

• ensures stable operating pressure in the vacuum system,
• limits performance drops of the vacuum pump,
• affects the efficiency of brake assist and other vacuum consumers,
• minimizes the risk of leaks and associated control unit errors.

Thanks to its specific fit for the W204 platform, the hose maintains the correct routing, bending radii, and mounting points, which facilitates installation and reduces stress on the system.

Construction and Fit for Mercedes W204

The offered part belongs to the category of vacuum pumps, but in practice, it is a dedicated hose that works with the vacuum pump in such a system. It has been designed for:

• precise fitting to the engine bay geometry of the Mercedes W204,
• appropriate resistance to temperature and vibrations occurring around the engine unit,
• maintaining seal integrity at typical vacuum levels generated by the pump.

Its original origin from the Mercedes group helps maintain the factory operating parameters of the system and compatibility with the mountings and connectors used in the specific model.

Condition, Verification, and Benefits of Using a Used Part

The vacuum hose is from the category of used parts, allowing for an economical repair of the vacuum system while maintaining the original manufacturer's specifications. This type of component is particularly attractive when:

• the existing hose shows signs of wear, cracks, or leaks,
• a quick replacement is necessary without waiting for rarely available new parts,
• it is important to maintain the original hose routing and factory connectors.

Using an original hose that works with the vacuum pump helps reduce the risk of fitment issues, which are common with aftermarket parts of universal geometry.

Selection by Numbers and Integration with Other System Components

The hose is linked to a specific OEM part number and has assigned interchangeable numbers, which facilitates precise identification using service documentation or manufacturer catalogs. When selecting, it is worth verifying:

• the part number's compliance with the markings on the old part or in the catalog,
• its intended use for the W204 body,
• the type of vacuum pump used in the specific engine variant.

This approach reduces the risk of purchasing a part with a different routing or diameter, which could result in leaks or installation problems.

Technical Support and Related Products

If you are looking for other parts from the Mercedes vacuum pumps category for your car, check out the Mercedes vacuum pumps available in our store to select a complete solution for your vacuum system.

When planning more extensive service work, it is also worth familiarizing yourself with the topic of selecting and diagnosing engine fuel supply components – practical tips can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which discusses, among other things, principles of part identification by OEM numbers and good operating practices.

Summary

The Vacuum Pipe Mercedes W204 Hose Line Vacuum Pump is an original vacuum hose that works with the vacuum pump, designed for use in Mercedes W204 models. It ensures proper vacuum delivery, supports stable operation of the vacuum system, and allows for a technically correct, economical repair of the system based on a component that complies with the manufacturer's factory specifications.