Mercedes W205 Water Hose Cooling Radiator Coolant Pipe Line A2055019082

Mercedes W205 Water Hose Cooling Radiator Coolant Pipe Line is a component from the Cooling system hoses and pipes group, designed for use in the cooling system of Mercedes W205 class models. It enables efficient coolant flow between the radiator and other components, supporting stable engine operating temperatures and safe heat dissipation. This is a solution for users looking for parts structurally matched to a specific Mercedes platform.

Specifications and technical data

• SKU: A2055019082
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055019082
• Substitutable numbers: A2055019082, A 205 501 90 82
• Category: Coolant Hoses

Function and application in the cooling system

The radiator coolant hose in a Mercedes W205 is responsible for transporting coolant between the radiator and system components, such as the engine block or the return circuit. A properly selected hose ensures:

• stable coolant flow across the full range of engine loads,
• proper sealing of connections with system ports and connectors,
• maintenance of the correct operating pressure in the cooling circuit.

Thanks to a design matched to the geometry of the W205 engine bay, the hose guides the fluid along the path designed by the manufacturer, minimizing the risk of chafing, kinking, and improper positioning.

Benefits of using an original Mercedes hose

Using a hose from the Cooling system hoses and pipes group dedicated to the Mercedes W205 allows for maintaining the factory operating parameters of the system. Proper matching of diameters, shape, and length translates into:

• secure fitment with factory clamps and ports,
• reduction of mechanical stress at connection points,
• proper heat dissipation from the power unit in both city and highway driving conditions.

This is particularly important in modern Mercedes units, where the cooling system operates within a strictly defined range of temperatures and pressures, and any leaking or deformed hose can lead to engine overheating.

Product characteristics and condition

The offered radiator coolant hose is a part sourced from dismantling, with its condition defined as used. This means the hose has been previously in service but retains functionality allowing for further operation in the cooling system. This type of part is a good choice for vehicle maintenance where preserving original geometry and compatibility with factory mounts is important.

The product is assigned to the Mercedes brand, which facilitates selection in the context of a specific model and engine version of the W205. Additionally, OEM numbers and interchangeable numbers are available in the system, which allow for verifying compatibility with your vehicle before installation.

Selection and role of the hose in the context of the entire cooling system

When replacing a single hose, it is worth assessing the condition of other cooling system components – especially other hoses, ports, and the radiator itself. Leaks, a drop in fluid level, or signs of corrosion around connections may indicate the need for more extensive service. A properly selected radiator coolant hose in a Mercedes W205 helps reduce the risk of engine overheating, thereby protecting major engine components from thermal damage.

If you want to better understand how individual hoses and the radiator work together while driving and what symptoms indicate problems with fluid circulation, it is worth reading the article describing typical failures and diagnostics of cooling systems: Engine cooling system – overheating, repair, and used radiators.

Support for expansion and service of the Mercedes cooling system

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

When working with components from dismantling, it is also worth knowing the basic principles of their operation and maintenance to maximize their potential in daily driving. Practical tips on using such elements can be found in the guide: How to extend the life of used car parts?.