Power Steering Pipe Mercedes W204 Steering Fluid Hose Petrol M271 A0049974552

Power Steering Pipe Mercedes W204 Steering Fluid Hose Petrol M271 is a cooling system component designed for petrol engine models, engineered to ensure stable coolant flow. Thanks to a design matched to the engine bay geometry, it provides reliable routing of the cooling medium and reduces the risk of leaks. It is a practical solution for users who want to restore the proper operation of the cooling system in their Mercedes without unnecessary modifications.

Specifications and technical data

• SKU: A0049974552-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0049974552
• Substitutable numbers: A0049974552, A 004 997 45 52
• Fuel type: Petrol
• Category: Power Steering Pumps

Purpose and function in the cooling system

The water pipe used in the Mercedes W204 class is responsible for the directional routing of coolant between system components, which directly impacts the maintenance of a stable operating temperature for the power unit. In petrol-powered vehicles, proper fluid circulation is crucial for protecting the engine from overheating, as well as for maintaining appropriate thermal efficiency under various load conditions.

A properly selected water hose minimizes the risk of local pressure drops, facilitates system bleeding, and allows for the preservation of factory cooling characteristics. Using a dedicated component instead of universal replacements limits the need for modifying mounts and connections with other components.

Compatibility with Mercedes W204 and petrol systems

The presented pipe has been designed with the cooling system architecture of the Mercedes W204 with a petrol engine in mind. This means it is matched to:

• the layout of connectors and fittings in the engine bay,
• factory pipe routing points,
• operating parameters typical for petrol units (temperature, pressure, flow characteristics).

As a result, installation is straightforward, without the need for additional adapters or modifications, and the system maintains proper tightness and predictable behavior during operation.

Characteristics of the used component

As a part from the Power Steering Pumps category in our store's offer, the water pipe for the Mercedes W204 is a used component, sourced from disassembly. Such parts are frequently chosen by users looking for a reasonable compromise between repair costs and maintaining the vehicle's original specifications. In practice, this means the ability to restore the correct operation of the cooling system while maintaining factory geometric and material fitment.

Using an original water pipe reduces the risk of installation problems typical of universal parts and also facilitates the diagnosis of potential leaks in the future, as the pipe routing and connection points correspond to the manufacturer's service documentation.

Benefits of using an original water pipe

Using a water pipe dedicated to the Mercedes W204 brings a number of practical benefits:

• Factory fitment – the pipe geometry is consistent with the layout of components in the engine bay, which facilitates installation and service.
• Stable coolant flow – the properly selected diameter and shape support uniform cooling of the petrol unit.
• Consistency with service documentation – facilitates workshop work and speeds up the diagnosis of potential faults.
• Reduction of repair costs – a used OEM element allows for maintaining high quality at a lower financial outlay.

For users who want to better understand the relationships between the cooling system and engine power supply, the material describing the principles of selection and diagnostics of fuel supply components may be useful – it is discussed in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where you will find, among other things, information on identifying parts by OEM numbers.

Expansion of service work within the power steering system

If you are planning a comprehensive repair or upgrade of the power steering area in your Mercedes and need other elements from the same group, such as pressure hoses, return lines, or additional sections of supply pipes, check the available parts in the Mercedes Power Steering Pumps category.