Coolant Hose Mercedes W204 Petrol M274 Engine Cooling Water Line A2742001682

The Coolant Hose for Mercedes W204 gasoline engine M274 is an original coolant line designed for gasoline powered engines. This component is responsible for precisely directing coolant between engine components, which is crucial for maintaining stable operating temperatures and protecting the engine from overheating.

Specifications and technical data

• SKU: A2742001682
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2742001682
• Substitutable numbers: A2742001682, A 274 200 16 82
• Fuel type: Petrol
• Category: Coolant Hoses

Intended Use and Function in the Cooling System

The presented hose belongs to the group of Cooling System Hoses and Pipes and is dedicated to Mercedes W204 models with the M274 gasoline engine. Its function is to ensure a sealed, directed flow of coolant between system components, contributing to efficient heat dissipation from the engine and stable operating parameters under various load conditions.

A properly selected coolant hose reduces the risk of localized overheating, radiator performance loss, and uncontrolled leaks that could lead to serious engine damage. Using an original Mercedes component ensures the factory-specified fluid flow geometry and compatibility with the engine bay's connectors and mounting points.

Benefits of Using an Original Coolant Hose

Choosing an original coolant line for the M274 engine in the Mercedes W204 is a solution that technically supports the proper functioning of the entire cooling system. The main advantages include:

• factory fit for the M274 gasoline engine's cooling system,
• maintenance of the correct direction and cross-section of coolant flow,
• compatibility with original connectors and brackets in the engine bay,
• reduced risk of leaks resulting from the use of ill-fitting aftermarket parts.

This allows the hose to be used for replacing a damaged component as well as for preventative maintenance of the cooling system when the first signs of wear appear on existing hoses.

Characteristics of the Used Component

The offered coolant hose is a used part, allowing for economical repairs while maintaining the original manufacturer's specifications. Used OEM components often provide a better fit than inexpensive aftermarket alternatives, while also reducing service costs, especially for extensive cooling system work.

Before installation, a standard visual inspection for any signs of wear is recommended, as well as verification of the hose's correct routing after installation to ensure unrestricted engine operation and no interference with other components in the engine bay.

Cooling System and High-Temperature Operation

A functional coolant hose is particularly important during the summer months when the engine's thermal load increases. It is worth familiarizing yourself with practical tips on cooling system operation in hot weather and the impact of used components on service costs – more information can be found in the guide Summer Heat vs. Cooling System – How Used Parts Help with Economical Operation.

Expanding the Cooling System in Mercedes W204

If you are planning a comprehensive repair or engine bay upgrade for your Mercedes and need other parts from the same group, such as additional hoses, return pipes, or radiator connections, check the available parts in the category Mercedes Cooling System Hoses and Pipes.

For more extensive service work, it is also worth considering the use of readily available used OEM components, which can significantly reduce vehicle downtime in the workshop – you can read more about this in the article How the Availability of Used OEM Parts Affects Repair Time.