Radiator Hose Mercedes W204 M272 Coolant Right Radiator Water Line A2045010482

Radiator Hose Mercedes W204 M272 Coolant Right Radiator Water Line is an original cooling system component designed for precise coolant routing between the engine and the radiator on the right side of the vehicle. Thanks to its factory-fit design for the M272 unit, it ensures stable cooling system performance and proper fluid circulation under demanding operating conditions. This is a solution for users seeking a proven hose that complies with the manufacturer's design rather than universal replacements.

Specifications and technical data

• SKU: A2045010482
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045010482
• Substitutable numbers: A2045010482, A 204 501 04 82
• Location on the vehicle: Right
• Category: Coolant Hoses

Function and role in the cooling system

This hose is part of the Cooling system hoses and pipes category, responsible for transporting coolant in the circuit between the engine and the radiator on the right side of the engine bay. A properly selected and leak-free hose reduces the risk of engine overheating, loss of radiator efficiency, and uncontrolled leaks that can lead to serious engine damage.

The proper shaping and diameter of the hose ensure adequate fluid flow, which translates into:

• maintaining a stable operating temperature for the M272 engine,
• proper cooperation with the radiator and other system components,
• reduction of local stress and twisting of the hose during operation.

Compatibility with Mercedes W204 with M272 engine

The hose has been designed specifically for the Mercedes W204 platform with the M272 unit, which means its geometry, length, and mounting points are adapted to the factory routing in the engine bay. The placement on the right side of the vehicle allows for seamless integration with the existing system, without the need for modifications or the use of additional adapters.

As a result, installation is orderly, and the hose does not interfere with other components in the engine bay. Such a fit reduces the risk of chafing, excessive vibration, and leaks resulting from improper hose positioning.

Condition, purpose, and benefits of use

The item comes from a used vehicle, making it an attractive cost-effective alternative to new parts, while maintaining a design consistent with the manufacturer's specifications. For users who want to restore the full efficiency of the cooling system in their Mercedes W204 with the M272 engine, using this original reference hose allows for maintaining the technical integrity of the entire system.

The use of this hose is particularly justified in situations where the current hose shows signs of wear, such as:

• cracks or material aging at the bends,
• traces of leaks at the connections,
• deformations resulting from overheating or improper installation.

Replacing it with an original hose with the correct mileage and geometry helps restore safe and predictable cooling system operation, which has a direct impact on engine durability.

Practical installation and maintenance tips

During installation, it is recommended to check the condition of the clamps, the radiator and engine ports, as well as the overall patency of the cooling system. It is also worth paying attention to the correct positioning of the hose in the factory brackets to avoid contact with hot elements or moving engine parts. After replacing the hose, it is advisable to bleed the cooling system and verify tightness at full operating temperature.

To better understand how the entire cooling system reacts to high temperatures and why the condition of hoses, radiators, and fans is so important, it is worth reading the guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. This is a practical addition to your knowledge when planning service work in this area.

Expansion and modernization of the Mercedes cooling system

If you are planning a comprehensive repair or modernization of the cooling system in your Mercedes and need other elements from the same group, such as additional pipes, return hoses, or flexible sections connecting to the radiator, check the available parts in the Mercedes cooling system hoses and pipes category.

By using components from the same design group, you can maintain the technical consistency of the entire system, which translates into stable engine operating temperature, lower risk of failure, and more predictable vehicle behavior in both city and highway conditions.