Mercedes-Benz C-Class W204 200 220 CDI Engine Radiator Right O/S Coolant Hose

Mercedes-Benz C-Class W204 200 220 CDI Engine Radiator Right O/S Coolant Hose is an original cooling system component designed for installation on the right side of the engine bay. Thanks to its factory geometry and precise fit for the specific model version, it ensures stable coolant flow and proper integration with other components. It is a practical solution for users looking for a proven coolant hose for their Mercedes C-Class W204.

Specifications and technical data

• SKU: A2045010682
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045010682
• Substitutable numbers: A2045010682, A 204 501 06 82, BG
• Location on the vehicle: Right
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

The offered coolant hose is a component of the cooling system for diesel engines in the Mercedes C-Class W204 generation, specifically the 200 CDI and 220 CDI versions. Its task is to reliably guide the coolant between the appropriate sub-assemblies, maintaining the correct flow direction and connection tightness.

Its placement on the right side of the vehicle allows for proper routing along the factory-intended path, avoiding components exposed to high temperatures or vibrations. This reduces the risk of chafing, kinking, or improper positioning of the hose in the engine bay.

Construction and fit for the Mercedes C W204

The hose belongs to the category of Lines, hoses, and pipes, meaning it has been designed to withstand variable pressure and coolant temperatures. The shape and connection diameters are adapted to the factory ports in the Mercedes C W204 cooling system, which facilitates installation and allows for tight connections using standard clamps.

Its original Mercedes origin ensures compatibility with factory brackets and mounting points, which translates into stable hose positioning during operation. This is particularly important in diesel engines, where significant vibrations and temperature fluctuations occur during operation.

Characteristics of the used component

The offered hose is a used component, which in practice means it has been removed from a vehicle and verified for further serviceability. Such components are frequently chosen by users who want to maintain the vehicle's original specifications while optimizing repair costs.

In the case of coolant hoses, it is essential to maintain proper material flexibility, ensure there are no cracks, and verify the ability to seal correctly at the ports. A used original component often fits into the existing system better than a replacement with universal geometry, which facilitates trouble-free installation.

Benefits of using an original coolant hose

Using an original coolant hose in a Mercedes C W204 200/220 CDI helps maintain the factory performance characteristics of the cooling system. Key advantages include:

• maintaining the correct hose routing in the engine bay,
• compatibility with factory mounts and brackets,
• easier installation thanks to matched connection diameters,
• reduced risk of leaks resulting from shape mismatches.

For many users, it is also important that original parts from dismantling often work better with other components than random replacements, which translates into stable cooling system operation in the long term.

System expansion – other lines and hoses for Mercedes

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other items from the same group, such as additional coolant hoses, return hoses, or connecting pipes, check out the available parts in the Mercedes lines, hoses, and pipes category.

Used original vs. remanufactured – what to choose?

When planning a cooling system repair, it is worth considering whether a used original component or a remanufactured part is the better solution. In the case of coolant hoses, a component from dismantling is often chosen as it retains factory geometry and operating parameters. If you want to compare these approaches more broadly and learn the arguments for choosing used parts, take a look at the article Remanufactured or used original – which part to choose for repairs?.