Coolant Hose Mercedes W447 OM651 Radiator Engine Water Cooling Line A4475013182

The Mercedes W447 Diesel OM651 Radiator Water Hose - Right Engine Side is an original cooling system component, designed for precise coolant flow between the radiator and the right side of the engine. Thanks to its factory geometry and fit for the OM651 unit, it ensures stable fluid flow and proper thermal operation of the entire powertrain. This is a practical solution for users who want to maintain the structural integrity of the cooling system in their Mercedes W447.

Specifications and technical data

• SKU: A4475013182
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4475013182
• Substitutable numbers: A4475013182, A 447 501 31 82
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented hose belongs to the Cooling System Hoses and Pipes group and is responsible for transporting coolant between the radiator and the right side of the OM651 diesel engine in the Mercedes W447. A correctly selected hose maintains connection integrity, minimizes the risk of leaks, and supports the stabilization of the engine's operating temperature across a wide range of loads.

The original design of the hose is adapted to the factory routing in the engine bay, which reduces stress, friction with adjacent components, and potential abrasion points. This allows the cooling system to maintain predictable operating parameters, and the engine is better protected against overheating during city and highway driving.

Application in Mercedes W447 with OM651 Engine

The Radiator Water Hose – Right Engine Side has been specifically designed for the body and engine bay architecture of the Mercedes W447 with the OM651 diesel engine. The appropriate shaping of the hose allows for correct coolant routing while maintaining the required bending radii and distances from hot and moving parts.

Selecting a hose dedicated to a specific generation and engine type reduces the need for assembly modifications, facilitates servicing, and lowers the risk of leaks resulting from improper fit. This is particularly important in vehicles subjected to intensive use, where the cooling system operates under variable thermal load conditions.

Characteristics of a Used Part

The offered hose is a used part, meaning it is a component that has been removed from a vehicle and retains its original geometry and intended function. This type of component is a sensible choice when maintaining the original cooling system specification is a priority, while simultaneously optimizing repair costs. A used part allows for the restoration of the correct hose routing without the need for aftermarket alternatives with uncertain fitment.

Before installation, it is recommended to perform a standard inspection of the working surfaces, spigots, and material flexibility, as well as to use new hose clamps matched to the hose diameter. This approach increases the likelihood of maintaining cooling system integrity in the long term.

Benefits of Using an Original Cooling Hose

Using an original radiator water hose in the Mercedes W447 with the OM651 engine offers several practical benefits:

• maintaining the factory routing of the hose in the engine bay,
• reducing the risk of collision with other components and high-temperature points,
• stable coolant flow under various engine loads,
• easier cooling system diagnostics and servicing due to predictable hose routing.

For users who want to better understand the impact of hoses and the radiator on engine durability, the following guide will be helpful: Engine Cooling System – Overheating, Repair, and Used Radiators. The article discusses the relationship between cooling system efficiency and engine lifespan, which facilitates informed service decisions.

Expanding the Cooling System in a Mercedes

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

By selecting components from the same construction group, you maintain the technical consistency of the system, which translates to more predictable engine behavior in everyday use and during long journeys. This way, replacing a single hose can become part of a broader, organized service for the entire cooling system.