Mercedes W203 W209 W211 W219 Radiator Top Fan Sleeve Cover Mount A0002770554

Mercedes W203 W209 W211 W219 Radiator Top Fan Sleeve Cover Mount is an original cooling system component designed for mounting the upper part of the radiator fan in selected Mercedes models. Thanks to its factory-spec geometry and robust construction, it ensures stable fan positioning, which translates into reliable cooling system operation and predictable engine thermal conditions.

Specifications and technical data

• SKU: A0002770554
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0002770554
• Substitutable numbers: A0002770554, A 000 277 05 54, KD
• Category: Radiators

Purpose and function in the cooling system

The presented radiator top fan mount has been designed specifically for the Mercedes W203, W209, W211, and W219 series, where it is responsible for the precise guidance and support of the fan assembly at the liquid radiator. A properly selected component of this type limits unwanted vibrations, reduces the risk of the rotor rubbing against the housing, and helps maintain proper airflow through the radiator.

In practice, this means stable fan operation across a wide range of loads, which is particularly important in urban conditions, while towing, or when driving in high ambient temperatures. A functional fan mounting system supports uniform engine cooling and can reduce the risk of engine overheating.

Construction, fitment, and installation

The component belongs to the Water Radiators group, working directly with the radiator and the fan assembly. The mount's design is adapted to the factory mounting points on the body and the radiator, which facilitates installation without the need for modifications or the use of additional adapters.

The main advantages of this solution include:

• factory fitment for the indicated Mercedes generations,
• stable guidance of the upper part of the fan,
• reduction of vibrations and noise from the cooling assembly,
• ability to use existing mounting points in the vehicle.

The mount is a used part, which in practice means it comes from vehicle dismantling and can be a cost-effective alternative to new parts, while maintaining original geometry and compatibility with the factory cooling system.

Benefits of using an original fan mount

Using an original mount in the Mercedes cooling system allows for maintaining the distances between the fan and the radiator, as well as other engine bay components, as designed by the manufacturer. This is important both for cooling efficiency and for the safe operation of the rotor at high rotational speeds.

Replacing a worn or damaged mount with a functional component of this type can:

• reduce the risk of fan blade contact with the housing or radiator,
• limit vibrations transmitted to the radiator and adjacent components,
• improve the refinement of the cooling system,
• help maintain a stable engine operating temperature.

For users who care about maintaining the vehicle's original construction, using a factory mount is a solution consistent with the manufacturer's specifications and promotes long-term, predictable operation.

Cooling system – practical knowledge

To better understand the impact of a correctly mounted fan and radiator on engine durability, it is worth checking out our guide describing typical overheating symptoms, diagnostic methods, and the importance of individual components. A detailed discussion of these issues can be found in the article Engine cooling system – overheating, repair, and used radiators, which combines theory with workshop practice in an accessible way.

Expanding your Mercedes cooling system upgrade

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other components from the same group, such as additional liquid radiators, housings, or brackets, check out the available parts in the Mercedes Water Radiators category.