Mercedes A207 W251 W212 Turbocharger Pipe Tube Air Charge Hose OM642 A6420982407

The Mercedes A207 W251 Turbo Air Intake Hose OM642 is a component from the Turbochargers and Parts group, designed for the boost system in the OM642 engine. It ensures a sealed and stable delivery of compressed air to the intake, which translates to proper turbocharger operation and uniform engine supply.

Specifications and technical data

• SKU: A6420982407
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420982407
• Substitutable numbers: A6420982407, A 642 098 24 07, A6420908537, A 642 090 85 37, A6420982207, A 642 098 22 07
• Category: Turbos & Parts

Purpose and Function in the Boost System

The turbo intake hose in the OM642 engine is responsible for transporting compressed air from the turbocharger to the intake manifold. A correctly selected hose:

• maintains proper boost pressure across the entire RPM range,
• minimizes pressure drops and flow losses,
• reduces the risk of leaks that can cause power loss and engine control unit errors.

The correct selection of a component from this group is crucial for stable turbocharger operation, proper air dosage, and maintaining the engine's factory parameters.

Compatibility and Fitment

The Turbo Air Intake Hose has been specifically designed for use in OM642 units found in Mercedes models, ensuring appropriate geometry, connection diameters, and mounting points. This allows the component to fit the factory intake system without requiring modifications, making the installation process orderly and predictable.

Proper fitment to the specific engine and body configuration minimizes the risk of stress, rubbing against adjacent components, and premature hose wear.

Benefits of Using an Original Intake Hose

Using an intake hose from the Turbochargers and Parts group dedicated to Mercedes helps maintain the integrity of the entire boost system. In practice, this means:

• stable boost parameters and repeatable engine performance,
• reduced risk of air leaks at connections,
• proper cooperation with pressure and flow sensors,
• reduction of "turbo lag" resulting from leaks or incorrect hose cross-section.

This type of component is particularly important in turbocharged diesel engines, where even minor leaks can lead to power loss, increased fuel consumption, and diagnostic system errors.

Product Characteristics and Practical Application

The Mercedes A207 W251 Turbo Air Intake Hose OM642 is a solution intended for users who want to restore proper boost system operation after damage or wear of the factory hose. The product is suitable for both standard operation and for vehicles used intensively, where the intake system is particularly exposed to thermal and mechanical loads.

Selecting a component that matches the manufacturer's designations facilitates part identification by catalog numbers and OEM parameters, which is important when servicing Mercedes vehicles.

Boost System Expansion and Additional Materials

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 pressure hoses, intake pipes, or turbo connection elements, check the available parts in the Mercedes Turbochargers and Parts category.

To better understand the differences between sports and standard powertrains, including the impact of the turbocharger, intake, and engine accessories on performance, it is worth reading the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which illustrates how crucial correctly selected components are in modern powertrains.

If you are considering the choice between factory parts, aftermarket replacements, and used parts, and want to approach costs and quality consciously, the guide Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective?, which discusses practical aspects of component selection based on OEM and reference numbers, may be helpful.