Mercedes SLK R171 W203 CLK W209 Engine Water Cooling Radiator A2035002503

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes SLK R171 W203 CLK W209 Engine Water Cooling Radiator with the manufacturer's designation is designed for the cooling system in diesel-powered vehicles, ensuring a stable operating temperature for the power unit. The offered component belongs to the Water Radiators group and is an original Mercedes part, which translates into a robust construction and predictable performance during operation. It is a practical solution for users looking for a technically compatible, used radiator for service or repair applications.

Specifications and technical data

• SKU: A2035004203
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2035004203
• Substitutable numbers: A2035004203, A 203 500 42 03, A2035002503, A 203 500 25 03
• Category: Radiators

Purpose and function in the cooling system

The water radiator is responsible for the efficient dissipation of heat from the coolant circulating between the engine and the heat exchanger. In the case of 2.0 TDI units, maintaining a stable operating temperature is crucial for component durability, proper lubrication, and reduced fuel consumption. Using an original element from the Water Radiators group allows for the preservation of factory flow and heat exchange parameters, which is significant during intensive use and driving in variable load conditions.

Benefits of using an original radiator

The offered radiator has been designed in accordance with the standards of premium vehicle manufacturers, ensuring:

• a properly sized heat exchange surface,
• stable coolant flow across the entire engine operating range,
• compatibility with the factory mounting and connection system,
• the possibility of use as a replacement for parts with matching substitute numbers.

For the user, this means predictable cooling system behavior, reduced risk of overheating, and easier diagnostics in the event of potential faults. A used, original component represents a reasonable compromise between cost and build quality.

Selection and technical compatibility

When selecting a radiator for the Mercedes SLK R171 W203 CLK W209 Engine Water Cooling Radiator, it is crucial to match it to the specific engine configuration and cooling system. This model has an assigned OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with your vehicle. In practice, this means the radiator can be used in place of the factory-installed element without the need for system modifications, provided the reference numbers match.

To further deepen your knowledge regarding the impact of the radiator on power unit durability and the symptoms of overheating, it is worth reading the article: Engine cooling system – overheating, repair, and used radiators. This will allow you to better assess the condition of your current system and make an informed decision about replacement.

Characteristics of the used component

The item is offered as a used water radiator, which in practice means it has been dismantled and was previously used in a vehicle. Such components are frequently chosen for post-accident repairs, restoring a car to service after a breakdown, or in situations where cost reduction while maintaining original construction is a priority. The user receives a component with factory geometry, ready for further operation after proper installation and bleeding of the cooling system.

If you are interested in the broader context of using original dismantled parts in vehicles of this brand, it is worth reading the material: used Mercedes parts from original dismantling, which discusses the advantages of such a solution in servicing premium cars.

Cooling system expansion and related parts

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 additional heat exchangers, coolant hoses, or expansion tanks, check the available parts in the Mercedes Water Radiators category.

Summary

Mercedes SLK R171 W203 CLK W209 Engine Water Cooling Radiator is a practical choice for users looking for an original, used cooling system component with preserved heat exchange functionality. Using a premium-group component allows for maintaining a stable engine operating temperature, reducing the risk of overheating, and preserving factory coolant flow parameters. This solution is particularly beneficial for repairs where technical correctness, compatibility with the factory system, and rational vehicle servicing costs are important.