Mercedes R172 Engine Radiator Coolant Hose Pipe A1725010358

Mercedes R172 Engine Radiator Coolant Hose Pipe is a component from the Cooling system hoses and pipes group, designed for operation in the cooling system of Mercedes vehicles. It enables efficient transport of coolant between the radiator and other components, supporting stable engine operating temperature and safe heat dissipation.

Specifications and technical data

• SKU: A1725010358
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1725010358
• Substitutable numbers: A1725010358, A 172 501 03 58
• Category: Coolant Hoses

Function and role in the cooling system

The coolant hose is responsible for the controlled flow of coolant in the circuit between the radiator and engine components. A properly selected hose minimizes the risk of pressure drops, leaks, and local overheating, which translates into stable operation of the power unit. In the case of Mercedes R172 models, the correct fit of the hose geometry is crucial for proper fluid routing in the tight engine compartment.

Construction and fitment for Mercedes R172

The offered component has been designed specifically for the cooling system architecture of the Mercedes R172. The shape of the hose, connection diameters, and routing are adapted to the factory layout of ports and mounts, which facilitates installation and limits the need for additional modifications. As a result, the hose can be integrated into the existing system without interfering with other components.

As a part from the Cooling system hoses and pipes group, this component works with the radiator, thermostat, coolant pump, and other hoses, creating a coherent, closed circuit. The appropriate stiffness and flexibility of the material help compensate for engine vibrations and temperature changes, reducing the risk of micro-cracks and leaks at the connections.

Product condition and service application

The hose comes from dismantling, which allows for an economical repair of the cooling system while maintaining the proper fit for the specific Mercedes model. This type of component is particularly useful for:

• eliminating coolant leaks from the vicinity of the radiator or ports,
• servicing after engine overheating, when there is a suspicion of hose damage,
• comprehensive replacement of several sections of the cooling installation in one stage.

Using an original hose from the same model group allows for maintaining the factory hose routing geometry, which is important both for thermal safety and for avoiding collisions with other components in the engine compartment.

Technical support and knowledge about the cooling system

To better plan service work on the cooling system, it is worth familiarizing yourself with practical tips regarding symptoms of overheating, diagnostics, and the selection of radiator components and hoses – this is discussed in detail in the article Engine cooling system – overheating, repair, and used radiators, which shows how to properly maintain the efficiency of the entire fluid circuit.

Complementary Mercedes cooling system hoses and pipes

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 additional lines, flexible hoses, or connecting sections to the radiator, check the available parts in the Mercedes cooling system hoses and pipes category.

Why choose this hose

Choosing a hose dedicated to the Mercedes R172 allows you to maintain the structural integrity of the cooling system and reduce the risk of installation problems. Precise fitment for the specific platform facilitates the mechanic's work and shortens service time, while the use of a component from the same model group supports maintaining a stable engine operating temperature. This is a practical solution for users who want to restore proper coolant circulation without abandoning the factory design concept of the system.