Description
The Mercedes W205 Radiator Coolant Hose is an original cooling system component designed for precise fluid routing between the radiator and other engine components. Thanks to its factory geometry and fit for the W205 platform, it ensures stable thermal operating conditions for the powertrain and reduces the risk of leaks. This solution is particularly beneficial for professional repairs where compliance with factory specifications is crucial.
Specifications and technical data
- SKU: A2055016784
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2055016784
- Substitutable numbers: A2055016784, A 205 501 67 84
- Part type: Hose
- Category: Coolant Hoses
Purpose and Function in the Cooling System
This cooling system hose is specifically designed for Mercedes W205 family models, where it is responsible for the controlled flow of coolant between the radiator and other circuit components. A properly routed cooling channel:
- stabilizes the engine’s operating temperature under various load conditions,
- limits localized overheating of components,
- supports uniform heat dissipation from the block and head.
By maintaining its original shape and internal diameter, the hose works in conjunction with the stock coolant pump and radiator, facilitating seamless integration with the existing system.
Benefits of Using an Original Mercedes Hose
Using an original hose in the cooling system is crucial for engine durability and operational safety. Compared to aftermarket alternatives, an OEM part offers:
- factory-perfect fit for mounting points and spigots in the engine bay,
- appropriately selected wall flexibility, reducing stress during temperature changes,
- compatibility with materials used in the stock cooling system.
This type of solution simplifies installation, minimizes the risk of leaks, and helps maintain cooling system performance parameters in line with manufacturer’s specifications.
Component Condition and Service Application
The hose is offered as a used part, making it an attractive cost-effective alternative while retaining its original design. This type of component is particularly suitable for:
- post-accident repairs where the radiator or accessories have been damaged,
- cooling system service after an overheating failure,
- scheduled replacement of rubber and plastic components in older W205 models.
For workshops and individual users, this means the possibility of performing repairs based on an original Mercedes component while staying within a reasonable service budget.
Selection by OEM Number and Integration with Other Components
The hose is marked with an OEM part number, which facilitates unambiguous identification and selection for a specific vehicle configuration. In practice, this allows for quick verification of compatibility with a given engine and equipment variant, as well as avoiding installation issues. The component works with the stock radiator, expansion tank, and return hoses, creating a cohesive coolant circuit.
If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional coolant hoses, spigots, or cooling system connectors, check the available parts in the Other Mercedes category.
Technical Support and Expert Knowledge
When working with cooling systems and powertrains, it is advisable to rely on reliable technical knowledge and correct component identification. For users interested in comparing solutions used in various sport and standard versions, including cooling, braking, and chassis systems, the article: Audi RS vs. Other Models – What Lies Under the Hood and Chassis? will be helpful. It allows for a better understanding of the relationships between engine power, cooling efficiency, and accessory durability.
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