Coolant Hose Mercedes W447 OM651 Radiator Engine Water Cooling Line A4475010482

Mercedes W447 Diesel OM651 Coolant Hose - Engine is an item from the Cooling System Hoses and Pipes category, designed for use in the cooling system of the OM651 diesel engine. It is responsible for the secure routing of coolant between the radiator and the engine, supporting stable operating temperatures and safe thermal load on components. A used genuine Mercedes part allows for a technically correct repair without compromising on fit.

Specifications and technical data

• SKU: A4475010482
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4475010482
• Substitutable numbers: A4475010482, A 447 501 04 82
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented water hose is a working component of the cooling system, connecting the fluid circuit between the radiator and the engine in Mercedes W447 models with the OM651 diesel engine. The appropriately shaped cross-section and routing of the hose ensure stable coolant flow, which reduces the risk of localized overheating and supports uniform heat dissipation from the engine block.

Thanks to the use of an original design solution, the hose works with factory-fitted spigots and clamps, facilitating installation and minimizing the risk of leaks after replacement. This is particularly important in modern diesel engines where the cooling system operates under increased thermal load.

Benefits of Using a Genuine Mercedes Hose

Using a genuine water hose in the cooling system offers a range of practical service and operational benefits:

• factory fit for the OM651 engine in the W447 body, without the need for cooling system modifications,
• maintaining the coolant flow geometry designed by the manufacturer,
• reducing the risk of leaks resulting from imprecise fit of aftermarket parts,
• consistency with other components in the Cooling System Hoses and Pipes category for the vehicle.

A used OEM part is a sensible choice for routine repairs when you prioritize a technically correct solution while maintaining a favorable service budget.

Condition, Verification, and Service Application

The hose is a dismantled part and is classified as a used component, allowing for economical repair while maintaining the original manufacturer's specifications. This type of part is suitable for both addressing coolant leaks and for comprehensive cooling system servicing, e.g., after a thermal failure or radiator replacement.

It is always advisable to confirm the correct hose for your specific vehicle configuration based on the OEM part number and interchangeable numbers available in the technical specifications – this helps avoid compatibility issues within the OM651 engine range and W447 body variants.

Technical Support and Cooling System Knowledge

To better understand the impact of hoses and pipes on engine durability and the symptoms of overheating, it is worth consulting the guide describing the operation of the entire cooling circuit – this is thoroughly discussed in the article Engine Cooling System – Overheating, Repair, and Used Radiators, which provides practical tips for diagnostics and prevention.

If you are modernizing or servicing vehicles from years when the W447 with the OM651 engine is frequently used as a fleet or commercial vehicle, information on using used parts in the process of refreshing cars, described in the article Second Life for Youngtimers – How Used Car Parts Refresh Cars from 1998–2012, may also be inspiring.

Related Mercedes Cooling System Components

When replacing a single hose, it is worth considering checking other pipes, spigots, and cooperating elements in the same circuit to avoid further service downtime and maintain the consistent technical condition of the entire system. If you are planning more extensive cooling system maintenance for your vehicle of this brand and need other parts from the same functional group, check the available parts in the Mercedes Cooling System Hoses and Pipes category.