Mercedes W204 W212 Turbo Intercooler Hose Pipe OM642 Diesel A6420980707

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W204 W212 Turbo Intercooler Hose Pipe OM642 Diesel is an intake system component designed for diesel engines, responsible for the stable routing of compressed air from the turbocharger. Thanks to its factory geometry and precise fit for the OM642 unit, it ensures predictable engine behavior and supports its proper operating characteristics. This is a practical solution for users looking for a proven component from the Lines, Hoses and Pipes category for their Mercedes.

Specifications and technical data

• SKU: A6420980707
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420980707
• Substitutable numbers: A6420980707, A 642 098 07 07
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The air pipe in a turbocharging system is responsible for the tight and stable routing of compressed air between the various intake components. In Diesel engines, this has a direct impact on achieving the correct boost pressure, uniform cylinder filling, and overall engine performance.

In Mercedes W204 and W212 models with the OM642 engine, a properly selected turbo pipe limits pressure drops, minimizes the risk of leaks, and supports the stable operation of the turbocharging system across the full load range.

Benefits of using an original turbo pipe

Using a component from the Lines, Hoses and Pipes group dedicated to a specific engine unit allows for the maintenance of factory air flow parameters. In practice, this translates into:

• maintaining the correct boost pressure throughout the entire RPM range,
• more predictable throttle response,
• reducing the risk of errors related to the turbocharging system,
• better compatibility with the factory engine control unit.

For users who drive their vehicles intensively, stable air flow in the intake system is important for both dynamics and the long-term, consistent operation of the engine.

Product characteristics and application in Mercedes vehicles

The presented turbo pipe is intended for Mercedes vehicles equipped with the OM642 diesel engine. The construction has been designed for operation in a turbocharging system, where variable pressure loads and elevated operating temperatures occur.

A component of this type is particularly important in diesel vehicles, where high torque values are generated based on precisely controlled boost. A properly selected air pipe helps maintain stable operating conditions for the turbocharger and other intake components.

Product condition and operational aspects

The offered air pipe comes from the used parts segment, which allows for an economical replacement of the component while maintaining the functionality required for daily use. For many users, this is a reasonable compromise between repair costs and maintaining the correct operating parameters of the intake system.

Replacing a worn or damaged turbo pipe with a functional unit is recommended whenever symptoms such as power loss, unstable boost pressure, or visible leaks in the air lines appear.

Expanding the intake system in your 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 intake lines, flexible air hoses, or rigid pressure pipes, check out the available parts in the Mercedes Lines, Hoses and Pipes category.

If you want to better understand how using pre-owned components impacts the environment and vehicle maintenance costs, it is worth reading the material describing the benefits of such an approach – you can find it in the article Eco-driving: discover the benefits of used car parts.