Mercedes W213 OM654 Diesel Water Coolant Cooling Pipe Line Hose A6542030102

Mercedes W213 OM654 Water Hose A6542030102 is an original cooling system component from the Cooling System Hoses and Pipes group, designed for OM654 diesel engines. This solution is created for stable coolant flow, ensuring proper operating conditions for the Diesel engine. Thanks to factory fitting, the hose allows for efficient, technically correct replacement without altering the system's construction.

Specifications and technical data

• SKU: A6542030102
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6542030102
• Substitutable numbers: A6542030102, A 654 203 01 02, KD
• Fuel type: Diesel
• Category: Coolant Hoses

Purpose and Role in the Cooling System

The water hose in the OM654 engine cooling system is responsible for the controlled transport of coolant between key engine components. For modern diesel engines like the OM654, proper coolant flow directly impacts:

• maintaining stable engine operating temperature across the full load range,
• reducing the risk of overheating during city and highway driving,
• cooperation with the engine's thermal management system.

Using an original water hose dedicated to the Mercedes W213 allows for the preservation of the cooling system's factory operating characteristics, which is particularly important in precisely tuned diesel engines.

Construction and Fit for Mercedes W213 with Diesel Engine

The hose has been specifically designed for the engine bay architecture of the Mercedes W213 with the OM654 unit. This means appropriately selected geometry, connection diameters, and routing points within the engine bay. Such a fit translates to:

• secure seating on the cooling system spigots,
• minimizing stress from engine operation and vibrations,
• correct hose routing while maintaining required bend radii.

This ensures an organized installation process, and the hose works with other cooling system components without requiring modifications.

Benefits of Using an Original Hose in a Diesel Cooling System

In diesel engines, which operate under high thermal load, a properly selected water hose is crucial for the durability of the entire system. Using a component from the Mercedes line ensures:

• stable coolant flow at temperature differences typical for diesel engines,
• compatibility with factory connectors and clamps,
• preservation of the cooling system's operating parameters as designed by the manufacturer.

This solution is particularly recommended for repairs where technical compliance with the vehicle's factory specifications and predictable long-term system behavior are priorities.

Characteristics of a Used Part

The offered water hose is a used part, which in practice means the possibility of an economical repair while maintaining the original origin of the component. For cooling systems, choosing such a solution allows for:

• reducing the cost of restoring system functionality compared to purchasing a new component,
• maintaining consistency with the original OM654 engine construction,
• preserving compliance with the parameters intended for Diesel units in the Mercedes W213.

For many users, this is a sensible compromise between quality and budget, especially for comprehensive service work within the cooling system.

Comprehensive Mercedes Cooling System Service

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other components from the same group, such as additional water hoses, flexible return hoses, or sections connecting to the radiator, check the available parts in the category Mercedes Cooling System Hoses and Pipes.

To better understand how operating conditions affect the durability of hoses, radiators, and fans, it is worth reading our guide on cooling system operation in high temperatures: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings.