Mercedes W164 C216 C219 M273 Molded Hose Coolant Hose Pipe Line A2731420283

The Mercedes W164 C219 M273 Coolant Hose is an original cooling system component from the Hoses, Pipes & Tubes group, designed for gasoline engines. This used OEM part ensures proper coolant flow, stable engine operation, and maintains factory thermal parameters in Mercedes vehicles with the M273 engine.

Specifications and technical data

• SKU: A2731420283
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2731420283
• Substitutable numbers: A2731420283, A 273 142 02 83
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and Function in the Cooling System

The coolant hose in the M273 engine is responsible for the safe transport of coolant between system components such as the engine block, radiator, and connecting spigots. In gasoline engines, maintaining a stable operating temperature is crucial for engine durability, therefore using an original hose with the correct diameter, flexibility, and temperature resistance directly impacts the reliability of the entire system.

In Mercedes W164 and C219 models, this type of hose operates under demanding thermal and mechanical conditions. Consequently, the OEM design is optimized for resistance to pressure, vibrations, and temperature changes typical of gasoline engine operation.

Benefits of Using an Original Coolant Hose

Using an original coolant hose for the M273 engine allows for the preservation of the factory hose routing geometry, which minimizes the risk of chafing, kinks, and leaks. This solution is particularly important in densely packed engine bays where each component has a precisely defined position.

• stable coolant flow across the full range of gasoline engine loads,
• maintenance of the manufacturer's designed flow and pressure in the cooling system,
• reduced risk of engine overheating in urban and highway conditions,
• better compatibility with factory clamps, brackets, and mounts in Mercedes W164 and C219.

As a result, the hose forms a cohesive part of the cooling system, supporting the proper operation of the thermostat, water pump, and radiator, without the need for compromise workshop solutions.

Product Characteristics and Condition

The offered hose belongs to the Hoses, Pipes & Tubes category and is from the original Mercedes cooling system. As a used component, it retains the functionality necessary for continued operation, offering an economical alternative to new parts while maintaining compliance with the vehicle's factory specifications.

The hose is designed to work with gasoline engines, meaning it is adapted to the thermal characteristics of M273 units, including resistance to typical operating temperatures and engine bay conditions. This solution allows for a technically correct repair or replacement of the component in Mercedes vehicles, without altering the cooling system's design.

Application in Service and Vehicle Modernization

The coolant hose for the M273 unit is suitable for both standard replacement of worn parts and for broader service work related to the cooling system, such as replacing the radiator, water pump, or thermostat. Using an original component simplifies installation, reduces workshop time, and lowers the risk of subsequent leaks.

If you are planning a comprehensive repair or engine area modernization for your Mercedes and need other parts from the same group, such as additional coolant hoses, pipes, or tubes, check the available parts in the Mercedes Hoses, Pipes & Tubes category.

For owners of older models who want to consciously use used components while maintaining high vehicle functionality, an article describing practical modernization scenarios and parts selection may be helpful – you can find more information in the material Second Life for Youngtimers – How Used Car Parts Revitalize Cars from 1998–2012.

Summary

The Mercedes W164 C219 M273 Coolant Hose is a technically matched, original cooling system component designed for gasoline engines. It enables the maintenance of factory engine operating parameters, supports stable operating temperatures, and facilitates servicing due to full compatibility with the design of Mercedes vehicles in this series.