Mercedes W447 OM622 Diesel Air Filter Silencer Housing Box A4475282600

Mercedes W447 OM622 Diesel Air Filter Silencer Housing Box is a factory intake system component, designed specifically for OM622 diesel engines. It is responsible for stable airflow to the engine, reduction of intake noise, and proper seating of the filter element, which translates into efficient engine operation and correct interaction with engine accessories. As an original Mercedes part from the air filter housing category, it ensures a construction that meets the vehicle manufacturer's requirements.

Specifications and technical data

• SKU: A4475282600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4475282600
• Substitutable numbers: A4475282600, A 447 528 26 00
• Fuel type: Diesel
• Category: Air Filter Housings

Function in the OM622 diesel engine intake system

The presented air filter housing integrated with an intake silencer is a key element of the intake tract in a diesel engine. It is responsible for:

• stable guidance of the airflow to the intake manifold,
• maintaining the correct position of the filter element,
• reducing intake noise characteristic of diesel units,
• maintaining a seal between the filter and other intake components.

Thanks to its fitment for the OM622 engine, the housing works with the factory geometry of the engine bay, which facilitates installation and subsequent maintenance. This dedicated solution for the diesel unit allows for maintaining correct airflow operating parameters and supports the stability of the fuel supply system.

Construction and fitment for Mercedes W447

The housing has been designed for installation in the Mercedes W447 body, taking into account the routing of hoses, mounts, and service space. The construction provides:

• factory mounting points to the body and adjacent components,
• integrated nozzles and connections for intake hoses,
• a chamber for the air filter element with dimensions compliant with the manufacturer's specifications.

Such a design allows for seamless integration with the existing intake system without the need for modifications or adaptations. Compatibility with factory covers and engine bay components is also maintained, which is important for service and subsequent inspections.

Condition, origin, and service application

The item comes from an operated vehicle and is offered as a used part, which is a cost-effective solution for maintenance repairs and restoring the efficiency of the intake system after mechanical damage. Replacing the air filter housing is recommended, among other things, in the case of:

• cracks or deformations of the body,
• damage to mounts or clips,
• leaks causing the intake of unfiltered air.

Using an original housing with an intake silencer allows you to restore factory intake system operating parameters and reduce the risk of contaminants entering the engine.

Benefits of using an original air filter housing

Choosing a factory air filter housing for the Mercedes W447 with a diesel engine brings a number of practical service and operational benefits:

• Full structural compliance – fitment to the intake system and engine bay without the need for modifications.
• Stable filter element mounting – reducing the risk of leaks and air bypassing the filter medium.
• Intake noise reduction – the integrated silencer improves acoustic comfort inside the cabin.
• Easier service maintenance – predictable disassembly and assembly in accordance with manufacturer procedures.

For workshops and vehicle users, this means safe and predictable component replacement without the risk of fitment issues or incorrect engine operation after repair.

Related Mercedes air filter housings and technical knowledge

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 filter bodies, covers, or additional intake ducts, check out the available parts in the Mercedes Air Filter Housings category.

When working in the engine bay, it is also worth paying attention to the condition of the cooling system, which has a direct impact on the durability of the engine and accessories. More practical information on this topic can be found in the article Engine cooling system – overheating, repair, and used radiators, where the relationships between operating temperature and engine lifespan are discussed.