Filtro Aria Mercedes W204 W212 OM642 Diesel Sinistra Alloggiamento A6420903501

Mercedes W204 W212 OM642 Air Filter Housing is an original intake system component designed for OM642 diesel engines, used in C-Class W204 and E-Class W212 models. This factory housing, mounted on the left side of the engine bay, ensures proper air routing to the filter and further intake components, contributing to stable diesel engine operation. A used OEM component is a sensible choice for users seeking parts with proven geometry and fit for a specific body version.

Specifiche e dati tecnici

• Codice articolo: A6420903501
• Marca: Mercedes
• Condizione: Usato
• Numero di parte OEM: A6420903501
• Numeri sostituibili: A6420903501, A 642 090 35 01, A6420903101, A 642 090 31 01
• Posizione sul veicolo: Sinistra
• Tipo di carburante: Diesel
• Categoria: Scatole filtro dell'aria

Purpose and Compatibility with OM642 Engine

The presented air filter housing has been specifically designed for the OM642 engine, a six-cylinder diesel unit widely used across the Mercedes range. The housing's design is adapted to:

• the intake system characteristic of OM642,
• the layout of accessories in the engine bay of W204 and W212 models,
• the airflow required by a turbocharged diesel engine.

This ensures proper sealing and airflow direction, reducing the risk of contaminants entering the filter and subsequently the intake system.

Construction and Function of the Air Filter Housing

The air filter housing in this model performs several key functions within the intake system. In addition to mechanically securing the filter element, it is responsible for:

• directing air from the intake system to the filter and then to the manifold,
• dampening the noise of the incoming air,
• securely holding the filter element in the correct position,
• maintaining the seal between the intake part and the rest of the intake system.

A properly selected housing helps maintain engine operating parameters, such as uniform cylinder filling, correct readings from air flow sensors, and appropriate turbocharging characteristics. For diesel engines, this directly impacts running smoothness, fuel consumption, and emissions.

Vehicle Placement and Installation Aspects

The component is designed for installation on the left side of the vehicle, in accordance with the factory design of the engine bay in Mercedes W204 and W212 diesel models. Correct placement is important for:

• routing intake hoses and flexible connectors,
• maintaining clearance from hot components (turbo, exhaust manifold),
• easy service access to the air filter element.

Using an original housing allows for the preservation of factory mounting points and the intake geometry intended by the manufacturer, which simplifies installation and reduces the need for additional modifications.

Benefits of Using an Original Air Filter Housing

Choosing an original air filter housing for a Mercedes with an OM642 diesel engine offers a range of practical benefits:

• Factory Fit – maintains compatibility with the intake system, mountings, and accessories in the engine bay.
• Stable Engine Performance – ensures proper airflow, contributing to the correct operation of the injection system and turbocharging.
• Reduced Risk of Leaks – precise component fit minimizes the possibility of un-filtered air being drawn in.
• Economical Repair – a used OEM part allows for the restoration of the intake system's functionality without the need to invest in expensive aftermarket alternatives.

Mercedes Air Filter Housings – Selection and Additional Information

If you are looking for other Mercedes air filter housings compatible with different models and engine versions, check out our dedicated category: Mercedes air filter housings. You will find a wide selection of OEM components there, making it easier to choose the right part for a specific chassis number and engine type.

For users interested in operating four-wheel-drive vehicles and the impact of the intake system and diesel engine accessories on drivetrain durability, we recommend the guide article: xDrive, 4Matic, quattro or 4Motion – comparison of AWD drives from BMW, Mercedes, Audi and VW. This provides practical knowledge for servicing and selecting used components in modern drivetrain systems.