Mercedes-Benz E W210 M112 Radiator Coolant Pipe Line Hose Top Upper A2105013382

Mercedes-Benz E W210 M112 Radiator Coolant Pipe Line Hose Top Upper is an original component from the Cooling system pipes and hoses category, designed for the M112 engine cooling system in the E-Class W210 model. It is a practical solution for users who want to maintain factory coolant flow characteristics and ensure stable thermal conditions for the power unit.

Specifications and technical data

• SKU: A2105013382
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2105013382
• Substitutable numbers: A2105013382, A 210 501 33 82, KZ
• Category: Coolant Hoses

Purpose and function in the cooling system

The radiator hose in this model is responsible for safely routing coolant between system components, which directly affects the operating temperature of the M112 engine. A properly selected hose minimizes the risk of leaks, pressure drops, and localized overheating, which can lead to costly failures.

By maintaining the factory geometry and cross-sectional diameter, the hose ensures proper coolant flow, supporting the stable operation of the thermostat, radiator, and other system components.

Technical specifications and fitment

The offered item comes from the Mercedes brand, which ensures compliance with factory manufacturing and assembly standards. The hose is designed for specific routing in the W210 engine bay with the M112 unit, ensuring it maintains the correct positioning relative to the radiator, engine, and other sub-assemblies.

The product has a dedicated OEM part number and assigned interchangeable numbers, which facilitates compatibility verification with a specific vehicle configuration and allows for precise fitting to the existing cooling system.

Condition and benefits of use

The radiator hose is offered as used, which is a sensible choice for servicing older E-Class W210 models, where both functionality and repair cost optimization are important. Maintaining the original assembly specifications limits the need for modifications, and the fitment to factory mounts reduces mechanic labor time.

Using an original hose from this group helps maintain the integrity of the entire cooling system, which translates into stable engine operating temperatures, reduced load on other components, and more predictable vehicle behavior under various operating conditions.

Technical support and selection by OEM number

For certainty of selection, it is recommended to compare the markings with the vehicle documentation or the existing part. Verification by OEM part number and interchangeable numbers helps avoid assembly errors and ensures full compatibility with the specific engine version and model year. If in doubt, it is worth using the guide on identifying components by manufacturer markings – detailed tips can be found in the article how to choose the right car part by VIN and OEM number.

Cooling system expansion and related components

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

To better understand the impact of functional pipes and hoses on engine durability and the symptoms of overheating, it is worth reading the practical tips described in the article Engine cooling system – overheating, repair, and used radiators. This will allow you to consciously plan your service and choose the right components for your car.