Turbocharger Oil Line Pipe Hose Mercedes W204 W212 W222 OM651 Diesel A6511800920

The Mercedes W204 W212 OM651 Turbocharger Oil Pipe is a specialized component of the turbocharger system in diesel engines, responsible for precisely delivering oil to the turbine. This used component from the turbocharger and parts category provides a functional service solution for Mercedes vehicles with the OM651 unit, allowing for the restoration of proper turbocharger lubrication.

Specifications and technical data

• SKU: A6511800920
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511800920
• Substitutable numbers: A6511800920, A 651 180 09 20
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function in the supercharging system

The turbocharger oil line for a Mercedes diesel engine is responsible for ensuring a stable, pressure-controlled oil supply to the turbine bearings. A properly functioning oil line reduces the risk of rotor overheating, reduces friction, and supports the durability of the entire turbocharging system in the OM651 engine.

Replacing a worn or leaking hose with a working element from the same category allows you to:

• stabilize the lubrication of the turbocharger in a diesel engine,
• reduce the risk of turbine seizure caused by oil deficiency,
• maintain proper operating parameters of the drive unit in everyday use.

Technical and assembly characteristics

The turbocharger oil line is designed to fit seamlessly into the lubrication system of the OM651 engines used in the Mercedes C-Class (W204) and E-Class (W212) models. The specially shaped line provides:

• stable oil flow in the high temperature area near the turbocharger,
• appropriate stiffness and resistance to vibrations generated by the drive unit,
• compatibility with the factory arrangement of mounting points in the engine compartment.

Due to the OEM design, installation is based on factory connection points, which facilitates service work and reduces the need to modify other system components.

Product condition and service application

This turbocharger oil hose is a used part, intended as a service replacement for Mercedes vehicles with the OM651 diesel engine. This type of component is particularly useful in situations where:

• the old pipe shows signs of corrosion, leaks or mechanical damage,
• the turbocharger has been replaced and it is recommended to check and replace the oil supply components,
• it is necessary to economically restore the efficiency of the charging system while maintaining compliance with the factory solution.

Using a used hose from the same category allows you to maintain the structural integrity of the lubrication system while reducing repair costs compared to purchasing a new component.

Benefits of using the original oil line

Selecting the correct turbocharger oil line for a diesel engine directly impacts the turbine's durability and the engine's operational safety. Using a component sourced from the Mercedes system ensures:

• compliance with the factory cable routing geometry in the engine compartment,
• appropriate oil flow parameters adapted to the characteristics of the turbocharger,
• Possibility to use existing mounting points and seals without additional modifications.

For users planning further modifications or delicate tuning of the diesel engine, a functioning oil line is the basis for safely increasing the turbine load.

Related Mercedes turbochargers and parts

If you also need other components from the Mercedes turbocharger and parts category, check out our dedicated offer: Mercedes turbochargers and parts . This allows you to easily assemble the entire set of components necessary for comprehensive turbocharger system maintenance.

More about using used parts for modifications

When planning a diesel engine supercharging system upgrade, it's worth learning best practices for selecting aftermarket components. Practical tips on how to safely use used components in tuning projects can be found in the article: The Best Used Parts for Tuning Your Car . This is a helpful supplement to your knowledge when working with turbochargers and their accessories.