Mercedes W447 Air Duct Radiator Right O/S A4475051330

Mercedes W447 Air Duct Radiator Right O/S is an original airflow management component designed for installation on the right side of the vehicle. The precisely shaped geometry of the duct ensures stable airflow direction towards the radiator, which supports efficient cooling system operation and reduces the risk of engine overheating. This is a practical solution for users who want to maintain the factory airflow characteristics in their Mercedes W447.

Specifications and technical data

• SKU: A4475051330
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4475051330
• Substitutable numbers: A4475051330, A 447 505 13 30
• Location on the vehicle: Right
• Category: Radiators

Function and role of the air duct in the cooling system

The right radiator air duct in the Mercedes W447 is responsible for directing the airflow from the front of the vehicle directly onto the surface of the water radiator. Thanks to this:

• the heat dissipation efficiency of the radiator is increased at various driving speeds,
• local overheating of the radiator core is reduced,
• the engine operating temperature is stabilized under typical road conditions.

The positioning on the right side of the vehicle allows for optimal use of space in the engine bay and ensures a perfect fit with the factory airflow system in the W447 model.

Compatibility and fitment for Mercedes

The air duct in question has been designed specifically for the Mercedes W447 architecture, which translates into precise fitment with the water radiator and adjacent engine bay components. Being an original Mercedes part means:

• preservation of the airflow geometry intended by the manufacturer,
• no need for modifications to mounts or trimming of the component,
• compatibility with factory covers and other cooling system components.

This makes the duct a suitable choice both for standard replacement of a damaged part and for restoring the vehicle to its factory specification.

Characteristics of the used component

The presented air duct comes from dismantling, which allows combining original manufacturing quality with a more favorable purchase cost compared to a new component. The used part retains its function of directing air to the water radiator while fitting into an economical and technically sound vehicle maintenance strategy, especially for vehicles used intensively or in fleets.

The importance of proper airflow for the water radiator

A functional air duct on the right side has a direct impact on the stability of the entire cooling system. Damage, deformation, or the absence of this component can result in:

• reduced airflow through the water radiator,
• increased coolant temperature under engine load,
• accelerated wear of the engine's thermal components.

Selecting the correct air duct compatible with the Mercedes W447 design is therefore important for engine durability and maintaining stable operating parameters in both city and highway driving.

Technical support and knowledge about the cooling system

If you want to better understand how a properly functioning cooling system affects engine lifespan and what symptoms may indicate problems with the water radiator or airflow, it is worth checking out our guide: Engine cooling system – overheating, repair, and used radiators. This is a practical supplement to your knowledge when planning repairs related to the radiator and associated components.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other parts from the same group, such as additional air ducts, airflow guide covers, or housings that work with the radiator, check out the available parts in the Mercedes water radiators category.