Mercedes C205 OM654 Diesel Coolant Water Pipe Line Hose Tube A2055014901

Diesel Engine Coolant Hose for Mercedes C-Class C205 OM654 is an original cooling system component designed for precise coolant routing in diesel engines. As part of the Cooling System Hoses and Pipes group, it ensures stable working fluid flow, supporting safe engine operating temperatures and reducing the risk of overheating. A used OEM component is a sensible choice for users seeking a technically proven solution at an attractive price.

Specifications and technical data

• SKU: A2055014901
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055014901
• Substitutable numbers: A2055014901, A 205 501 49 01
• Fuel type: Diesel
• Category: Coolant Hoses

Function and Role in the OM654 Diesel Cooling System

This coolant hose is responsible for directing coolant between system components in a Diesel engine. A correctly selected and sealed hose:

• maintains stable coolant circulation in the powertrain,
• limits localized overheating of critical engine areas,
• supports uniform heat dissipation from the block and head,
• minimizes the risk of pressure drops in the cooling system.

This allows the cooling system in a Mercedes with an OM654 engine to operate under predictable thermal conditions, contributing to powertrain durability and stable performance across the entire load range.

Construction and Fitment for Mercedes C-Class C205

The Water Coolant Hose for Mercedes C205 is designed as a factory part, with geometry tailored for standard routing within the engine bay. Appropriately shaped sections and mounting points allow for:

• collision-free routing of the hose relative to other components,
• maintaining the correct bend radius without cross-sectional kinking,
• secure mounting in factory brackets and clamps.

Such precise fitment reduces mechanical stress and vibrations, leading to a longer hose lifespan and a lower risk of leaks over the long term.

Benefits of Using an Original Coolant Hose

Using an original hose in a Mercedes diesel cooling system offers a range of practical service and operational benefits:

• Cooling System Compatibility – the hose is designed for the specific construction of the OM654 engine, simplifying installation and reducing the need for modifications.
• Stable Flow Parameters – the maintained working cross-section and hose length support the correct operation of the coolant pump and thermostat.
• Consistency with Other System Components – the hose works with factory spigots, connectors, and clamps, facilitating service and diagnostics.
• Safe Operation in High-Temperature Conditions typical for diesel engines.

For users who want to better understand the impact of hoses and radiators on powertrain durability, the article: Engine Cooling System – Overheating, Repair, and Used Radiators, which discusses practical operational aspects and symptoms of cooling system malfunctions, will be helpful.

Used Condition and Service Aspects

The offered hose comes from the used parts segment, allowing for a reduced repair cost while maintaining the original manufacturer's specifications. Before installation, standard service procedures are recommended, including checking connection tightness, verifying clamp condition, and bleeding the cooling system after filling with fresh coolant. This approach minimizes the risk of secondary leaks and ensures stable system operation in the long run.

If you are considering the choice between new aftermarket parts and used components, it is worth reviewing the cost and durability analysis in the material: New or Used? A Comparison of Car Part Costs and Quality, which discusses the differences between OEM parts and alternative solutions.

Expanding the Mercedes Cooling System

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