Water Pipe Mercedes W204 OM642 Engine Cooling Radiator Coolant Hose A2045013182

Mercedes W204 W212 OM642 Water Hose Pipe Tube is an original cooling system component designed for OM642 diesel engines in Mercedes W204 and W212 models. This component from the Cooling System Hoses and Pipes group is responsible for the stable flow of coolant, which directly impacts the operating temperature and durability of the Diesel engine unit. A used OEM part is a sensible choice for drivers seeking a technically matched solution at an attractive price.

Specifications and technical data

• SKU: A2045013182
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045013182
• Substitutable numbers: A2045013182, A 204 501 31 82, BG
• Fuel type: Diesel
• Category: Coolant Hoses

Function of the Hose in the OM642 Cooling System

The water hose in the OM642 engine operates under demanding temperature and pressure conditions, making its correct fit for a specific Diesel engine unit crucial. It is responsible for:

• transporting coolant between engine cooling system components,
• maintaining the circuit's seal under variable thermal loads,
• stabilizing the engine unit's operating temperature under various driving conditions.

Selecting the right hose for a Mercedes W204 or W212 with an OM642 engine reduces the risk of overheating, performance loss, and uncontrolled coolant leaks.

Compatibility with Mercedes W204 and W212

The offered hose has been designed with the cooling system architecture of Mercedes W204 and W212 models with diesel engines in mind. This means:

• geometry matched to the factory routing in the engine bay,
• maintenance of appropriate bending radii, minimizing the risk of kinks and flow restriction,
• adaptation for operation with pressure and temperature parameters typical for OM642 Diesel units.

This ensures that installation is similar to factory standards, without the need for modifications or the use of compromise workshop solutions.

Characteristics of a Used OEM Part

A used OEM water hose for Mercedes is a solution that allows for the maintenance of the cooling system's factory characteristics at a lower cost compared to a new part. This type of component ensures:

• compatibility with factory mounting points and connector diameters,
• consistency with other cooling system components, such as the radiator or heater core,
• the possibility of direct replacement of a damaged hose without altering the system's construction.

Choosing an original, used hose is particularly beneficial when servicing older W204 and W212 models, where both technical correctness and cost control are important.

Significance for Diesel Engine Durability

In OM642 diesel engines, stable operating temperature is crucial for the longevity of components such as the cylinder head, seals, and turbocharger. A functional water hose:

• reduces the risk of localized overheating in the block and head areas,
• supports even heat dissipation from the engine unit,
• allows for the maintenance of proper cooling system operating parameters in urban and highway conditions.

For Mercedes diesel owners, this is an important element of preventative maintenance, contributing to the smooth operation and reliability of the entire powertrain.

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

Practical Tips and Additional Materials

When replacing the water hose in a Mercedes W204 or W212, it is worth paying attention to the condition of other cooling system components, bleeding the system, and the quality of the coolant used. To better understand how high temperatures affect engine cooling operation and why selecting the right components is important for operational economy, read the guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings.