Mercedes W447 OM651 Coolant Hose Radiator Engine Water Cooling Line A4475013182

The Mercedes W447 OM651 Engine Coolant Hose is an original water line connecting the radiator system to the engine, specifically designed for OM651 units in W447 series models. With its factory geometry and fit, it ensures stable coolant flow, supporting safe engine operating temperatures and reducing the risk of overheating. This is a practical solution for users seeking a proven cooling system component at a favorable price.

Specifications and technical data

• SKU: A4475013182-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4475013182
• Substitutable numbers: A4475013182, A 447 501 31 82
• Part type: Hose
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The offered hose belongs to the Cooling System Hoses and Pipes group and is responsible for transporting coolant between the radiator and the engine in Mercedes vehicles with OM651 engines in the W447 body. A correctly selected component in this area is crucial for:

• maintaining the engine's proper operating temperature,
• stable operation of the thermostat and radiator,
• reducing the risk of leaks and pressure drops in the system,
• extending the lifespan of other cooling components.

The original design of the hose ensures proper routing within the engine bay, maintaining required bend radii and mounting points, which minimizes stress and susceptibility to operational damage.

Advantages of Using an Original Mercedes Coolant Hose

Choosing an original Mercedes coolant hose offers a range of practical benefits for everyday operation:

• Factory Fit – the hose is designed for a specific engine and body type, making installation easier and eliminating the need for modifications.
• Stable Cooling System Operation – the correct cross-section and length of the hose support proper fluid flow, promoting efficient heat dissipation.
• Compatibility with Original Connectors – the hose ends are adapted to factory spigots and clamps, facilitating a leak-proof connection.
• Possibility of using interchangeable numbers – simplifies part selection based on service documentation or manufacturer catalogs.

A component constructed in this way allows for maintaining the integrity of the entire cooling system according to the original design intentions of Mercedes engineers, which is particularly important in heavily used commercial vehicles based on the W447 platform.

Product Characteristics and Installation

The OM651 engine coolant hose in the Mercedes W447 is a shaped, profiled component designed to operate at elevated temperatures and in contact with coolant. Its construction includes:

• routing along factory mounting points in the engine bay,
• proper positioning relative to other components to reduce the risk of abrasion,
• maintaining clearances necessary for servicing adjacent components.

During installation, it is recommended to:

• check the condition of clamps and connectors,
• replace the coolant or top it up according to the vehicle manufacturer's recommendations,
• bleed the system after completion of work to ensure uniform medium circulation.

By maintaining the original hose geometry, the replacement process is predictable and can be performed according to the service procedures dedicated to OM651 units.

Condition and Application in Mercedes Vehicle Service

The offered component is from a Mercedes vehicle and is intended for users and workshops specializing in the maintenance of W447 models with OM651 engines. This solution is particularly useful in situations where:

• the original hose shows signs of wear, cracking, or leaks,
• a quick replacement is necessary as part of routine maintenance,
• a hose compliant with manufacturer documentation is sought, without the need for fitting aftermarket alternatives.

A component selected in this way allows for restoring the proper operation of the cooling system, which directly impacts engine durability and vehicle operational safety.

Cooling System Expansion and Service Knowledge

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 hoses, return pipes, or lines connecting the radiator to the heater core, check the available parts in the Mercedes Cooling System Hoses and Pipes category.

To better understand how high temperatures and intensive use affect the durability of hoses, radiators, and fans, it is worth reading our guide: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings. You will find practical tips there on how to care for your cooling system and optimize service costs while maintaining engine operational safety.