Mercedes W177 Water Pipe Radiator Cooling Coolant Hose Line A2475010458

Mercedes W177 Water Pipe Radiator Cooling Coolant Hose Line is an original component from the Cooling system pipes and hoses group, designed for the precise routing of coolant between the radiator and other engine components. This used OEM component ensures proper geometry, stable mounting, and compatibility with the factory design of the cooling system in the Mercedes A-Class W177 generation.

Specifications and technical data

• SKU: A2475010458
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2475010458
• Substitutable numbers: A2475010458, A 247 501 04 58
• Category: Coolant Hoses

Function and role in the Mercedes W177 cooling system

This water pipe is responsible for the controlled flow of coolant between the radiator and engine components, which has a direct impact on maintaining a stable operating temperature for the power unit. The properly selected shape and internal diameter ensure correct flow efficiency, while the matched connectors and ends allow for a tight connection with other system elements.

By maintaining factory specifications, the pipe works with original clamps and connectors, minimizing the risk of leaks, pressure drops, or unwanted vibrations during engine operation. This is particularly important in modern Mercedes units, where the cooling system is closely integrated with control electronics and safety systems.

Construction and fitment for the W177 body

Mercedes W177 Water Pipe Radiator Cooling Coolant Hose Line has been designed for a specific path in the engine bay, taking into account routing relative to the subframe, fan, radiator, and covers. Properly formed bends and straight sections allow for:

• collision-free routing relative to other cables and electrical harnesses,
• reduction of material stress during engine operation and temperature changes,
• maintaining the proper distance from high-temperature components.

Original mounts and support points for the pipe ensure stability while driving, limiting the risk of chafing, micro-cracks, or leaks resulting from vibrations. This translates into longer, predictable operation of the entire cooling system.

Benefits of using an original cooling pipe

Using a factory pipe in a Mercedes cooling system brings a number of practical service and operational benefits:

• Full compatibility with the W177 design – no need for modifications, adjustments, or shortening of the pipe.
• Stable coolant flow parameters, which supports the proper operation of the thermostat and radiator.
• Better predictability of system behavior under high engine load conditions.
• Easier diagnostics – the mechanic is dealing with a component of known, factory geometry.

A used, original pipe is a reasonable choice for repairs where maintaining the factory characteristics of the cooling system while optimizing service costs is a priority.

Selection and installation in service practice

Before installation, it is recommended to verify the compatibility of the pipe with the specific engine version and model year of the Mercedes W177 based on the OEM part number and interchangeable numbers visible in the technical specification. This helps avoid problems with matching the length, diameter, or shape of the pipe.

During installation, it is worth paying attention to:

• the condition of the connectors on the radiator and engine block,
• the quality of the hose clamps and their proper tightening,
• proper bleeding of the cooling system after refilling with fresh coolant.

Such a replacement reduces the risk of engine overheating and fluid leaks, which is crucial for the durability of the engine and its accessories.

Technical support and additional materials

To better understand the impact of efficient cooling pipes on the lifespan of the power unit, it is worth reading the guide on our blog: Engine cooling system – overheating, repair, and used radiators. The article discusses practical aspects of diagnostics and service of cooling systems in modern cars, which makes it easier to make informed decisions during repairs.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other elements from the same group, such as additional pipes, hoses, or coolant connections, check the available parts in the Mercedes cooling system pipes and hoses category.