Mercedes C238 E400d OM654 Coolant Radiator Hose Pipe Water Line A2385010301

Mercedes C238 E400d OM654 Coolant Radiator Hose Pipe Water Line is an original component from the Cooling system hoses and pipes group, designed for precise coolant routing in the OM654 diesel engine. This used, factory-original Mercedes part ensures proper coolant delivery, which translates into stable engine operating temperatures and safe thermal load for all components.

Specifications and technical data

• SKU: A2385010301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2385010301
• Substitutable numbers: A2385010301, A 238 501 03 01
• Category: Coolant Hoses

Purpose and function in the cooling system

The offered water pipe is a cooling system component responsible for transporting fluid between key engine and radiator parts. Its precise shape and internal diameter ensure proper coolant flow, which is essential for:

• maintaining the optimal operating temperature of the OM654 engine,
• stable operation of the thermostat and radiator,
• reducing the risk of overheating under high engine loads,
• proper fluid circulation throughout the entire circuit.

Thanks to its perfect fit for the specific C238 body configuration, the pipe follows the factory routing path without interfering with other engine bay components.

Advantages of the original Mercedes pipe

Choosing an original cooling system pipe for your Mercedes provides a range of practical installation and operational benefits. The component was designed for a specific model and engine unit, which means:

• factory geometric fit – correct length, diameters, and bend shapes,
• wall stiffness and flexibility as specified by the manufacturer,
• compatibility with original connectors and clamps,
• no need for modifications or fitting universal hoses.

Such a solution facilitates service, reduces installation time, and minimizes the risk of leaks resulting from improper fitment.

Performance characteristics and installation

The pipe is designed to operate in high-temperature environments and under variable pressures typical for the cooling systems of modern diesel engines. The design of the pipe allows for:

• safe compatibility with factory coolant,
• resistance to typical vibrations and engine movement relative to the body,
• maintaining a tight seal after proper clamping on the connectors.

In practice, installation involves removing the old pipe, cleaning the connectors, and seating the component in the original mounting points. By maintaining the original geometry, it is possible to restore the factory routing without interfering with other components.

Condition and service application

The offered cooling system pipe is a used component, which provides an attractive cost-effective solution while maintaining the manufacturer's factory specifications. This type of part is particularly suitable for:

• repairs following coolant leaks caused by cracks or abrasion of the old hose,
• preventive cooling system maintenance when replacing multiple pipes simultaneously,
• restoring the original system configuration after previous modifications.

Selecting a pipe compatible with the OM654 unit and C238 body reduces the risk of installation errors and problems with routing pipes in the tight space of the engine bay.

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

Technical support and part selection

When working on the cooling system, it is worth paying attention to the general condition of the radiator, fans, and other hoses. How high temperatures affect the durability of these elements and where to find savings while maintaining safety is explained in the guide "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings".

If you are considering choosing between a used original part and a replacement, the article "5 reasons why a used OEM part is a better choice than a replacement" may also be helpful, as it practically discusses the differences in fit, durability, and ease of installation.