Intake Hose Mercedes W211 W219 OM642 Diesel Air Duct Pipe Right A6420945097

Mercedes W211 W219 Diesel Intake Hose Right is a component from the Hoses, Pipes & Tubes category, designed for the intake system in diesel-powered vehicles. It is responsible for the stable delivery of air to the engine unit on the right side of the engine bay, which contributes to smooth operation and correct combustion characteristics. A used original component is a sensible choice for drivers seeking a proven solution at an attractive price.

Specifications and technical data

• SKU: A6420945097
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420945097
• Substitutable numbers: A6420945097, A 642 094 50 97
• Location on the vehicle: Right
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Application and Function of the Intake Hose

The presented intake hose is designed for installation on the right side of the engine bay in Mercedes E-Class W211 and CLS W219 models with diesel engines. Its purpose is to create a sealed and stable connection between intake system components, ensuring that air reaches the engine in a controlled manner, without pressure loss or unwanted leaks.

A properly selected intake hose directly impacts:

• correct turbocharger operation and airflow,
• maintaining stable combustion parameters in the diesel engine,
• reducing the risk of power loss and engine control unit emergency mode,
• safe dissipation of vibrations between intake system components.

Construction and Fit for Mercedes W211 / W219

The hose has been specifically designed for the engine bay architecture of Mercedes W211 and W219, taking into account the characteristic routing of lines on the right side of the vehicle. Its shape and diameter are adapted to factory spigots, which facilitates installation and allows for the preservation of the original intake system layout.

Thanks to its construction, which aligns with the manufacturer's solutions, the hose works with factory clamps and mountings, which:

• simplifies servicing and potential future disassembly,
• minimizes stress in the intake system,
• ensures predictable hose behavior under diesel engine operating conditions.

Diesel Engine Operating Characteristics

Diesel engines generate specific loads for the intake system – high boost pressures, flow pulsations, and elevated temperatures in the engine bay. Therefore, the right-side intake hose must maintain appropriate flexibility while also resisting deformation and material fatigue.

Choosing the correct intake hose helps to:

• maintain stable boost pressure across the entire RPM range,
• reduce the risk of cracks and leaks during dynamic driving,
• prevent the intake of "false" air that disrupts the engine control system's operation.

Condition, Verification, and Benefits of Choosing a Used Part

The offered intake hose is a used component, which is an advantageous solution for users seeking original parts at a reasonable price. This type of part, sourced from disassembly, allows for the preservation of the original intake system fit and operating characteristics while limiting repair costs.

Choosing a used intake hose offers:

• the possibility of maintaining the original intake system specifications,
• lower cost compared to new aftermarket parts,
• reduced risk of fitment issues and leaks.

Mercedes Hoses, Pipes & Tubes – Selecting the Right Components

If you also need other hoses from the Hoses, Pipes & Tubes category dedicated to this brand, check out the Mercedes Hoses, Pipes & Tubes available in our store to select complete solutions for your intake system, cooling system, or other installations.

For drivers interested in a broader context of premium car operation and potential repair costs, we also recommend the guide article BMW E90 Faulty Engines – What Can Ruin Your Budget, which illustrates the importance of informed parts selection and preventative maintenance.