Oil Pipe Mercedes W204 W212 W639 W906 OM651 Turbocharger Feed Line A6511801820

The Mercedes W204 W212 W906 OM651 Turbo Oil Hose is an original turbocharger and parts component designed for diesel engines. This oil hose provides factory lubrication to the turbocharger, which is crucial for the durability and stable operation of the engine.

Specifications and technical data

• SKU: A6511801820
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511801820
• Substitutable numbers: A6511801820, A 651 180 18 20
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function of the turbo oil line

The turbo oil line in Mercedes OM651 models is responsible for the controlled flow of engine oil to the turbocharger. Stable lubrication of the rotor and bearings reduces friction, reduces the risk of overheating, and supports the even buildup of boost pressure in diesel engines.

Using the original turbocharger hose and parts allows you to maintain operating parameters in line with the manufacturer's assumptions, which translates into smooth operation of the drive unit and predictable response to load.

Benefits of using the original Mercedes cable

Selecting an oil line dedicated to specific Mercedes W204, W212 and W906 models with the OM651 engine ensures:

• Factory geometric fit – proper hose routing relative to the turbocharger and engine block, without stress or unnatural bends.
• Appropriate flow diameter – maintaining the designed pressure and oil flow in the turbocharger lubrication system.
• Diesel engine compatibility – hose designed for the specific characteristics of OM651 diesel engines, including thermal and pressure conditions.
• Integration with the turbocharger system – the hose is an integral part of the entire turbocharger system, reducing the risk of leaks.

Used condition and assembly aspects

The turbo oil hose offered is in used condition, meaning it has been disassembled and verified for continued serviceability. This OEM component retains its original design, ensuring predictable installation for the mechanic.

When replacing the oil line in the charging system, it is recommended to:

• thorough cleaning of sockets and contact surfaces,
• verification of the turbocharger condition for possible leaks,
• checking the quality of engine oil and observing service intervals.

This approach allows you to fully utilize the potential of the used component and reduce the risk of repeated interference with the turbocharger lubrication system.

Application in OM651 diesel engines

The OM651 diesel engines used in the Mercedes W204, W212, and W906 operate under significant thermal and pressure loads, particularly in the turbocharger area. A functioning turbo oil line directly impacts:

• boost pressure stability – a properly lubricated turbocharger maintains its designed operating characteristics,
• reduced bearing wear – an even oil film reduces friction and noise,
• operational safety – reduced risk of turbocharger seizure and secondary engine damage.

Selecting a hose that is compatible with the design of the diesel engine is particularly important in heavily used vehicles, where the supercharging system operates over a wide load range.

Complementing the offer and technical knowledge

If you're looking for other turbochargers and parts for Mercedes, check out our dedicated offer: turbochargers and parts for Mercedes . This will help you easily assemble the components necessary for comprehensive turbocharger system maintenance.

When planning extensive maintenance, it's also worth considering systems that impact driving comfort. Practical tips on selecting and maintaining components responsible for cabin temperature can be found in the article: Air Conditioning and Heating – Parts Selection and Maintenance for Year-Round Comfort . This will allow you to better plan vehicle maintenance and combine work on the drivetrain with maintenance of other systems.

Summary

The Mercedes W204 W212 W906 OM651 Turbo Oil Hose is a used, original turbocharger component designed for diesel engines. It provides factory-installed oil flow to the turbocharger, supporting its durability and the proper operation of the entire engine. Choosing a hose from the turbocharger and parts category dedicated to a specific engine family provides a technically safe and operationally advantageous solution.