Mercedes W205 OM654 Diesel Radiator Bleeding Pipe Hose Tube A2055014101

The Mercedes W205 OM654 Diesel Breather Hose is an original component of the fuel-engine system, designed for OM654 diesel engines. Designed by Mercedes, it ensures proper venting of vapors and gases from the system, contributing to stable diesel engine operation and reducing the risk of leaks.

Specifications and technical data

• SKU: A2055014101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055014101
• Substitutable numbers: A2055014101, A 205 501 41 01
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Technical Function

The breather hose in the OM654 diesel engine is responsible for the controlled venting of gases and vapors, which helps maintain correct system pressure and supports smooth engine operation. A properly selected hose minimizes the risk of leaks, power loss, and idling problems.

This component belongs to the Hoses, Tubes, and Pipes group, meaning it works in conjunction with other hoses in the engine bay to form a cohesive system for transporting working fluids and gases. Using a dedicated hose for a specific fuel type, such as Diesel, enhances resistance to typical thermal and chemical stresses in modern diesel engines.

Benefits of Using an Original Hose

Using a breather hose specifically designed for the OM654 engine offers a range of practical operational benefits:

• maintaining proper gas circulation in the diesel engine system,
• reducing the risk of leaks and uncontrolled spills,
• more stable engine operation across the full load range,
• better integration with factory engine control systems.

This allows the hose to be used for both standard replacement of worn parts and for preventative repairs when the first signs of aging in rubber or plastic components in the engine bay appear.

Assembly and Operational Characteristics

The hose has been designed to fit factory mounting points in Mercedes models with the OM654 engine, facilitating installation and reducing service time. The hose's carefully designed geometry helps prevent kinks and excessive stress that could lead to premature wear.

As a component from the Hoses, Tubes, and Pipes category, the breather hose works with other hoses in the engine bay, so its correct routing is important for service clarity and easy access to other components during subsequent inspections.

Application in OM654 Diesel Engines

OM654 diesel engines are modern Mercedes units where the breather system must meet increased demands regarding exhaust emissions and operational stability. Using a hose dedicated to the Diesel fuel type supports the proper functioning of associated systems, such as the exhaust gas recirculation system or advanced boost pressure control.

Replacing the breather hose is particularly recommended when noticeable signs of material aging, micro-cracks, or the appearance of exhaust fumes and vapors around the engine bay are observed. Selecting a component that matches the OM654 design helps reduce the risk of subsequent leaks and unplanned vehicle downtime.

Product Condition and Service Application

The offered hose is a used part, making it an attractive cost-effective alternative while maintaining compliance with factory Mercedes specifications. This type of component is suitable for both current repairs and budget-friendly engine system renovations where precise fitment to a specific model and engine type is crucial.

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 fuel lines, vacuum hoses, or coolant pipes, check the available parts in the Mercedes Hoses, Tubes, and Pipes category.

For drivers interested in a broader approach to powertrain maintenance, including selecting components compatible with diesel engines and drivetrains, the guide article Clutch and Dual-Mass Flywheel – Diagnostics and Part Selection for the Drivetrain may be helpful, discussing practical aspects of diagnostics and part selection, including used parts.