Mercedes W204 Engine Coolant Hose Tube Line Pipe A2742000082

Mercedes W204 Engine Coolant Hose Tube Line Pipe is an original cooling system component designed for the precise transport of coolant between the engine and the radiator. Thanks to its factory-spec geometry and perfect fit for the Mercedes W204 design, this hose ensures stable system operation, supporting safe engine temperature maintenance and reducing the risk of leaks. It is a practical solution for users looking for a proven cooling system component rather than random aftermarket replacements.

Specifications and technical data

• SKU: A2742000082
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2742000082
• Substitutable numbers: A2742000082, A 274 200 00 82
• Category: Coolant Hoses

Purpose and function in the cooling system

The hose, which is part of the Cooling system hoses and pipes category, is responsible for transporting coolant between key engine components and the radiator. Its precisely selected shape and connector diameters allow for:

• maintaining proper coolant flow under engine load,
• reducing pressure drops in the circuit,
• stable compatibility with factory clamps and connectors of the Mercedes W204.

A hose configured in this way supports uniform heat dissipation from the engine, which translates into predictable engine performance in both city traffic and highway driving.

Advantages of using an original radiator hose

Using an original hose in a Mercedes W204 allows you to maintain the factory characteristics of the cooling system. In practice, this means:

• reliable fit to mounts and routing in the engine bay, without the need for modifications or bending of components,
• maintaining proper alignment relative to other components, which reduces the risk of chafing and premature wear,
• compatibility with original connectors and clamps used in the Mercedes.

For the user, this means easier installation, a lower risk of leaks, and more predictable cooling system behavior in the long term.

Characteristics of the used component

The offered hose is a pre-owned component, which is a cost-effective solution for those looking to save money while maintaining the manufacturer's original specifications. Using a pre-owned cooling system component allows you to:

• reduce repair costs compared to a new OEM part,
• maintain structural consistency with other system elements,
• avoid problems typical of cheap replacements with imprecise shapes.

This is a sensible choice for maintenance repairs where functionality and compliance with the original Mercedes design are the priority.

Technical support and knowledge about the cooling system

When replacing the engine radiator hose, it is worth paying attention to the general condition of the cooling system – the tightness of connections, the condition of the radiator, and the operation of the fans. We explain how high temperatures affect the entire cooling circuit and why properly selected, even used, components can be an economical solution in our guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Complementary Mercedes cooling system hoses and pipes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other items from the same group, such as additional hoses, return lines, or sections connecting to the radiator, check out the available parts in the Mercedes cooling system hoses and pipes category.

How to effectively source used parts

Replacing a radiator hose is often associated with a simultaneous inspection of other components in the engine bay. To plan your purchases more efficiently and avoid multiple orders, it is worth learning the principles of sourcing used components in one place. You will find practical tips on this approach in the article Comprehensive supply: from the engine to the smallest clip – how to source used car parts in one place.