Mercedes W205 2.1 CDI Engine Coolant Hose Pipe Line Tube A2055019301

Mercedes W205 2.1 CDI Engine Coolant Hose Pipe Line Tube is an original cooling system component designed for the precise routing of coolant within the engine unit. Thanks to its factory geometry and fitment for the specific Mercedes W205 generation, the hose ensures a stable connection between system components and helps maintain the correct operating temperature of the 2.1 CDI engine. This is a practical solution for users seeking a proven component from the cooling hose category instead of universal replacements.

Specifications and technical data

• SKU: A2055019301-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055019301
• Substitutable numbers: A2055019301, A 205 501 93 01
• Part type: Hose
• Category: Coolant Hoses

Function in the engine cooling system

The cooling hose in the W205 model is responsible for the controlled flow of fluid between key system elements, such as the engine block, radiator, and other circuit components. The properly shaped pipe minimizes the risk of kinks, reduces pressure drops, and helps maintain uniform cooling of the 2.1 CDI unit under typical road conditions and during higher loads.

Selecting a hose dedicated to a specific Mercedes model allows for maintaining the factory characteristics of the cooling system, which translates into temperature stability, a lower risk of overheating, and proper cooperation with other circuit elements.

Why it is worth using an original cooling hose

Using a hose structurally matched to the W205 2.1 CDI is important both from a technical and operational perspective. This element from the Cooling system hoses and pipes group ensures:

• factory routing of the coolant path, consistent with the manufacturer's design,
• appropriate internal diameter, supporting proper flow and pressure in the system,
• compatibility with original connectors and fittings in the 2.1 CDI engine,
• installation without the need for modifications.

For users who want to restore the proper operation of the system after a leak, crack, or wear of the old hose, such an element is a practical choice that allows for maintaining the integrity of the entire cooling system.

Condition, origin, and application

The offered hose belongs to the group of used parts, which means it comes from vehicle dismantling and is intended for further use after proper installation. For many users, this is a reasonable compromise between cost and maintaining the original manufacturer's specification, especially in the case of cooling system components where the fit of shape and length is crucial.

Before installation, it is recommended to perform a standard inspection of the cooling system – including the condition of clamps, connectors, and the fluid itself – to restore the tightness and stable operation of the entire circuit after replacing the hose.

Technical support and knowledge about the cooling system

If you want to better understand how cooling hoses affect the operating temperature of the engine unit and what symptoms may indicate problems with fluid circulation, it is worth checking out our guide: Engine cooling system – overheating, repair, and used radiators. This is a practical addition to your knowledge when planning diagnostics and repairs.

Related Mercedes cooling system components

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 lines, flexible hoses, or fluid return pipes, check out the available parts in the Mercedes cooling system hoses and pipes category.