Mercedes W177 W247 Water Coolant Hose Pipe A2478303400

The Mercedes W177 W247 Coolant Hose is an original cooling system component designed for precise integration with the powertrain in Mercedes compact models. Thanks to its factory geometry and fit, the hose ensures stable coolant flow and supports the maintenance of optimal engine operating temperature. This is a practical solution for users seeking a proven OEM component rather than universal replacements.

Specifications and technical data

• SKU: A2478303400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2478303400
• Substitutable numbers: A2478303400, A 247 830 34 00
• Category: Other Car Parts & Accessories

Application and Function in the Cooling System

The presented coolant hose has been specifically designed for the Mercedes W177 and W247 platforms, ensuring proper routing of the cooling medium between system components. The appropriately selected diameter, shape, and mounting points help maintain connection integrity and reduce the risk of uncontrolled leaks. This type of hose is crucial for:

• stable coolant circulation within the engine bay,
• maintaining optimal operating temperature of the powertrain,
• ensuring proper functioning of accessories connected to the cooling system.

By using an original component, factory system parameters can be preserved, which is particularly important in modern Mercedes designs.

Benefits of Using an Original Hose

Using a coolant hose dedicated to specific models offers a range of practical advantages. It is primarily distinguished by its factory fit to the cooling system, which simplifies installation and minimizes the need for modifications. Compared to universal equivalents, the original hose provides:

• correct positioning in the engine bay, free from stress and twisting,
• better compatibility with factory clamps and mounting brackets,
• greater predictability of performance during extended use.

This solution is particularly recommended for repairs where maintaining compliance with the manufacturer's service documentation and easier future fault diagnosis are important.

Product Characteristics and Condition

The offered coolant hose is part of the original Mercedes component range, meaning it has been designed for specific body variants and powertrains in the W177 and W247 models. The product is used, which means that prior to installation, it is advisable to inspect its surface for signs of wear, material flexibility, and any mechanical damage. For many users, this represents a favorable compromise between OEM quality and an attractive purchase price.

Selection and Application in Service Practice

When selecting a coolant hose for a Mercedes, it is crucial to compare its shape, connection diameters, and routing in the engine bay with the factory-installed component. In service practice, such a hose is most commonly used for:

• addressing coolant system leaks,
• comprehensive coolant replacement combined with hose inspection,
• repairs after collisions where front-end components have been damaged.

A correctly selected and installed hose helps reduce the risk of engine overheating and facilitates the maintenance of stable powertrain operating conditions in both city and highway driving.

Related Components and Further Information

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and require other components from the same group, such as additional hoses, connectors, or cooling system mounts, please check the available parts in the Other Mercedes category.

For drivers interested in comparing technical solutions used in different brands, including sports models, an article discussing the differences in engine and chassis construction may be helpful – you can find it here: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.