Coolant Hose Mercedes W204 W207 Petrol OM272 Left N/S Radiator Line A2045010382

The Mercedes W204 W207 Gasoline OM272 Left Radiator Hose is an original cooling system component designed for OM272 gasoline engines. Thanks to its precise fit to the factory installation on the left side, it ensures stable coolant flow and supports safe engine operation. This is a practical solution for users looking for a proven, used component with preserved functionality.

Specifications and technical data

• SKU: A2045010382-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045010382
• Substitutable numbers: A2045010382, A 204 501 03 82
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The left radiator hose in Mercedes W204 and W207 models with the OM272 gasoline engine is responsible for transporting coolant between key system components. A correctly selected hose maintains the circulation's tightness, reduces the risk of leaks, and helps maintain the engine's stable operating temperature, which directly impacts its durability.

This element belongs to the Cooling System Hoses and Pipes group, so its geometry, connection diameters, and flexibility are adapted to the factory spigots and mounts in the engine bay. Proper routing on the left side minimizes stress, protects against abrasion, and facilitates servicing of other components.

Construction and Fit for Mercedes

The hose has been specifically designed for the cooling system architecture in gasoline-powered Mercedes C-Class (W204) and E/Coupe (W207) models. The shape of the pipe, mounting points, and connection ends are consistent with the manufacturer's factory solutions, allowing for installation without modifications or custom adapters.

This ensures:

• correct distances from hot exhaust system components are maintained,
• the proper route for coolant flow is preserved,
• the risk of twisting or kinking the hose during installation is reduced.

Such a precise fit is particularly important in gasoline engines, where stable cooling is crucial for protecting the cylinder head, seals, and accessories.

Characteristics of a Used Component

The offered radiator hose is a used part, which means it comes from a dismantled vehicle and retains parameters that allow for further operation. Such components are often chosen for servicing older Mercedes models where a reasonable repair cost is a priority while maintaining compatibility with the original design.

For cooling system hoses, it is important that the rubber or plastic material retains adequate flexibility, and the connection ends are capable of providing a leak-proof seal with the radiator and engine spigots. A used element allows for an economical replacement of a worn or damaged hose without the need to invest in a complete new set.

Importance of a Correct Radiator Hose for the OM272 Engine

The OM272 engine, as an advanced gasoline unit, requires an efficient cooling system to avoid overheating and related damage. A leaky or brittle hose can lead to coolant loss, a drop in system pressure, and a rapid increase in operating temperature. Replacing the hose with the correct one, dedicated to this type of engine, is a simple way to reduce the risk of costly failures.

If you want to better understand how individual components – including pipes and hoses – affect the thermal safety of the engine, it is worth reading the guide: Engine Cooling System – Overheating, Repair, and Used Radiators. The article clearly explains the consequences of overheating and the importance of functional cooling components.

Benefits of Choosing a Used Cooling Hose

By opting for a used left radiator hose for your Mercedes, you gain a combination of technical correctness and a reasonable price. Original hoses from dismantled vehicles often integrate better into the existing system than cheap aftermarket replacements with simplified geometry. This solution is particularly attractive for phased cooling system replacements where restoring tightness and proper coolant circulation is a priority.

If you are interested in the broader economic and environmental context of such choices, check out the material: Eco-Driving: Discover the Benefits of Used Car Parts, which describes how reusing components contributes to waste reduction and lower vehicle operating costs.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional pipes, return hoses, or sections connecting the radiator to the engine, check the available parts in the category Mercedes Cooling System Hoses and Pipes.