Mercedes W205 Coolant Water Pipe Tank Line Hose A2055011301

Mercedes W205 Coolant Water Pipe Tank Line Hose is an original cooling system component designed for the precise routing of coolant in Mercedes vehicles. Thanks to its factory geometry and specific fitment for the W205 platform, the hose ensures stable engine operating conditions and predictable performance of the entire cooling system.

Specifications and technical data

• SKU: A2055011301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055011301
• Substitutable numbers: A2055011301, A 205 501 13 01
• Category: Coolant Hoses

Purpose and function in the cooling system

The water hose used in the W205 model is responsible for the controlled flow of coolant between specific system components, such as the engine block, radiator, or additional thermal modules. The properly shaped pipe minimizes the risk of kinks, local constrictions, and unwanted vibrations, which translates into stable engine operating temperature and reduced load on other components.

This item from the Cooling system hoses and pipes category is crucial wherever a leak-proof, pressure- and temperature-resistant connection between individual sub-assemblies is required. Choosing the right hose for a specific Mercedes model reduces the risk of leaks, overheating, and uneven temperature distribution in the engine.

Benefits of using an original Mercedes hose

Using an original water hose in a Mercedes W205 allows you to maintain the factory coolant flow characteristics. In practice, this means:

• secure fitment to connectors and mounts in the engine bay,
• properly selected material stiffness and flexibility,
• maintenance of the designed internal diameter along the entire length of the hose,
• reduction of cavitation risk and local pressure drops in the system.

As a result, the cooling system operates in a predictable manner, and the engine maintains thermal parameters consistent with the manufacturer's specifications. This, in turn, helps to extend the service life of the engine and reduces the risk of costly failures associated with overheating.

Characteristics of the used component

The offered water hose is a used part, sourced from a dismantled Mercedes vehicle. This type of part represents a reasonable compromise between cost and functionality, especially for maintenance or restoration repairs. By choosing a used hose, you gain a component with factory geometry and fitment, while maintaining an attractive level of service costs.

Before installation, standard workshop procedures are recommended: checking for leaks, the condition of the connectors, sealing surfaces, and any mounting points. A properly prepared water hose allows for the restoration of full cooling system functionality without the need to interfere with other sub-assemblies.

Integration with the cooling system and part selection

When selecting a water hose for a Mercedes W205, it is crucial to rely on the manufacturer's markings and assignment to a specific body and engine version. Original markings allow for unambiguous identification of the component and reduce the risk of installing an incompatible hose, which could cause stress, leaks, or collisions with other components in the engine bay.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes W205, it is worth considering a simultaneous inspection of other hoses, connectors, and mounting elements. A consistent technical condition of the entire hose set translates into uniform system operation and reduces the need for repeated service interventions.

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 lines, flexible hoses, or rigid pipes carrying coolant, check the available parts in the Mercedes cooling system hoses and pipes category.

Technical support and knowledge about the cooling system

For users who want to better understand the impact of hoses and pipes on engine durability and the symptoms of cooling system malfunctions, we recommend our guide article: Engine cooling system – overheating, repair, and used radiators. There, you will find practical tips on diagnostics, common faults, and the importance of proper coolant circulation in modern designs.