Mercedes W204 Water Pump Hose Radiator Coolant Cooling Pipe Line A2712002452

The Mercedes W204 Water Pump Hose Pipe Cooling Line is a component from the Cooling System Hoses and Pipes category, designed for gasoline engines of this generation. A used genuine part allows for a technically correct repair of the cooling system, maintaining factory fluid routing and proper water pump supply. This is a practical solution for users who want to restore system efficiency without altering its design.

Specifications and technical data

• SKU: A2712002452-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2712002452
• Substitutable numbers: A2712002452, A 271 200 24 52
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The described hose is a component of the cooling system responsible for directing coolant between the water pump and other circulation components. In Mercedes W204 models with gasoline engines, the correct shape and diameter of the hose are crucial for maintaining stable flow and proper system pressure.

Using a hose with the appropriate geometry and from the same construction family ensures:

• correct fit to the water pump outlets and adjacent components,
• stable coolant flow without kinks or constrictions,
• reduced risk of localized overheating due to improper flow.

Advantages of Using a Genuine Cooling Hose

Choosing a genuine cooling hose for the Mercedes W204 allows you to maintain the system's factory operating parameters. The part has been specifically designed for the particular engine bay architecture, ensuring that:

• compatibility with factory mounting points and covers is maintained,
• the risk of collision with other components (belts, accessories, wiring harnesses) is minimized,
• the coolant flow cross-sections intended by the manufacturer are preserved.

For gasoline engines, stable operating temperature is particularly important, therefore, a functional water pump hose directly impacts the engine's durability and driving comfort.

Characteristics of a Used Component

The offered water pump hose is a used part, meaning it comes from a dismantled vehicle and has been previously operated. Such components are often chosen when the priority is:

• maintaining the original cooling system specification,
• reducing repair costs while ensuring correct functionality,
• avoiding fitment issues typical of universal aftermarket replacements.

A used cooling system hose from the same brand and model series allows for installation without the need for modifications to the existing setup, which is beneficial for both the mechanic and the vehicle owner.

Importance of the Correct Hose in the Cooling System

The proper selection of a water pump hose for the Mercedes W204 affects the engine's thermal safety. Leaks, flattening, or improper hose routing can lead to fluid loss, air in the system, or engine overheating. Therefore, when replacing it, it is advisable to opt for a part that is structurally identical to the original, especially for gasoline engines, which are sensitive to temperature fluctuations.

To better understand how the entire cooling system affects engine durability and what symptoms may indicate fluid flow problems, it is worth reading the article describing overheating and diagnostics – details can be found in the material Engine Cooling System – Overheating, Repair, and Used Radiators.

Related Mercedes Cooling System Components

When planning comprehensive cooling system maintenance for a Mercedes, it is common to replace not only the individual water pump hose but also other pipes, lines, and flexible sections of the circuit to restore full sealing and stable system operation. If you are considering a broader range of service work and wish to select additional components of this type for your car, check the available parts in the Mercedes Cooling System Hoses and Pipes category.