Mercedes W470 Air Filter Box Housing A4703450000

Mercedes W470 Air Filter Box Housing is a factory-original intake system component designed for installation in the rear section of the vehicle. As a genuine Mercedes component, it ensures proper airflow management and stable seating of the filter element. This used part allows for an economical yet technically correct repair of the air supply system.

Specifications and technical data

• SKU: A4703450000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4703450000
• Substitutable numbers: A4703450000, A 470 345 00 00
• Location on the vehicle: Rear
• Category: Air Filter Housings

Purpose and function in the intake system

The air filter housing in W470 series models is responsible for the airtight routing of air drawn into the engine and the correct positioning of the filter element. Its location in the rear of the vehicle helps protect it from direct exposure to road debris and moisture, which translates into stable operating conditions for the filter.

A properly selected housing:

• ensures appropriate airtightness of the intake system,
• stabilizes the air filter element in its intended operating position,
• limits the ingress of solid contaminants into subsequent system components,
• supports the maintenance of correct engine operating parameters.

Benefits of using a genuine air filter housing

Using a genuine Mercedes Air Filter Box Housing allows you to maintain factory-spec fitment with intake ducts, mounts, and adjacent components. This minimizes the risk of leaks, incorrect hose routing, or unwanted vibrations during operation.

Key advantages include:

• compatibility with factory mounting points on the body and frame,
• preservation of the airflow geometry specified by the manufacturer,
• easier installation and removal during air filter service,
• reduction of the risk of installation errors typical of non-factory parts.

Condition of the part and service application

The air filter housing is offered as a used part, which allows for reduced repair costs while maintaining the original design specifications. This type of component is particularly useful for:

• repairs following mechanical damage in the rear of the vehicle,
• restoring the completeness of the intake system after workshop interventions,
• servicing vehicles operated in demanding off-road or fleet conditions.

Choosing a used housing with intact geometry and mounting points allows for the efficient restoration of factory air duct routing without the need for structural modifications.

Selection and vehicle compatibility

To correctly select an air filter housing for a specific Mercedes W470, it is advisable to verify compatibility with the vehicle's documentation and the manufacturer's markings. The product has assigned catalog numbers and interchangeable numbers, which facilitates unambiguous identification in service systems and parts catalogs.

Precise fitment of the housing is important for:

• airtightness of connections with intake ducts,
• correct positioning relative to body and frame elements,
• interference-free operation with other components in the rear of the vehicle.

Expanding your Mercedes intake system service

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as intake ducts, air hoses, or additional housing modules, check out the available parts in the Mercedes Air Filter Housings category.

For users interested in learning more about components affecting exhaust emissions and engine efficiency, the article describing the operation of the exhaust gas recirculation system and the benefits of using used EGR components may be helpful – you can find it here: EGR: what it is and why it is worth considering used EGR valves.