Mercedes W205 C43 Oil Cooler Water Pipe Coolant Hose Line M276 V6 A2055018184

Mercedes W205 C43 Oil Cooler Water Pipe Coolant Hose Line M276 V6 is an original cooling system component, designed for precise coolant routing within the M276 V6 engine oil cooler circuit. Thanks to its factory geometry and fitment tailored to the specific configuration of the C43 model, the hose ensures stable cooling system operating parameters and proper compatibility with other components. It is a practical solution for users who want to maintain structural consistency of the cooling system in their Mercedes.

Specifications and technical data

• SKU: A2055018184
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055018184
• Substitutable numbers: A2055018184, A 205 501 81 84
• Part type: Pipe
• Category: Coolant Hoses

Function and role in the cooling system

The oil cooler water pipe in the Mercedes W205 C43 is responsible for the controlled flow of coolant between the oil cooler and other system components. A correctly selected element of this group:

• ensures stable engine oil temperature in the M276 V6 unit,
• reduces the risk of localized overheating in the lubrication area,
• supports even heat dissipation from the engine during dynamic driving,
• maintains the tightness of connections within the cooling system. By maintaining the factory routing of the hose, the cooling system operates in a predictable manner, which is important for both the durability of the power unit and operational safety.

Construction and fitment for Mercedes W205 C43

The offered hose belongs to the Cooling system pipes and hoses group, which means it has been designed to operate in an environment of high temperatures and variable pressures. The construction of the hose is adapted to the specific layout of components in the W205 C43 engine bay, ensuring that:

• connections to the fittings and oil cooler are properly sealed,
• the hose does not interfere with other engine auxiliary components,
• appropriate flexibility is maintained within the system's operating range. Such fitment facilitates installation and limits the need for additional modifications, which is essential when servicing modern Mercedes power units.

Component condition and service application

The hose comes from the used parts group, allowing for economical cooling system repair while maintaining the manufacturer's original specifications. This type of component is particularly useful in situations where:

• the existing hose has suffered mechanical damage or operational wear,
• replacement of the element is necessary after interference with the cooling system or engine accessories,
• the priority is to maintain the original geometry and mounting points. Using an original oil cooler water pipe helps maintain engine performance parameters at the level intended by the manufacturer, which is especially important in high-output units such as the C43.

Technical support and component selection

When selecting an oil cooler water pipe for a Mercedes W205 C43, it is worth paying attention to compatibility with the specific engine version and cooling system configuration. Original manufacturer markings and interchangeable part numbers allow for precise identification of the part and minimize the risk of installing an incorrect component. In case of doubt, the vehicle's service documentation or a comparison with the currently installed hose is a good point of reference. If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other elements from the same group, such as pipes, hoses, or coolant connections, check the available parts in the Mercedes cooling system pipes and hoses category.

Cooling system operation and practical knowledge

A properly functioning oil cooler water pipe has a direct impact on the stability of engine operating temperature and, consequently, its service life. Leaks, kinks, or improper routing of the hose can lead to a decrease in cooling efficiency and, consequently, overheating of the power unit. It is therefore worth treating cooling system elements as a coherent system in which every component – including pipes and hoses – has a specific function. To better understand the impact of the cooling system on engine durability and the importance of elements such as the oil cooler or coolant hoses, read the article: Engine cooling system – overheating, repair, and used radiators.