Mercedes C117 Turbocharger Lubricating Oil Line Hose Tube Pipe A6511801620

Mercedes C117 Turbocharger Lubricating Oil Line Hose Tube Pipe is an original forced induction system component, ensuring stable oil supply to the turbocharger in Mercedes engines. Thanks to its precise geometry and factory fitment, the line guarantees proper lubrication of the rotor, which translates into the longevity of the turbocharger and consistent performance of the power unit. This is a practical solution for users who want to restore the correct operation of the forced induction system without compromising on compatibility.

Specifications and technical data

• SKU: A6511801620
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511801620
• Substitutable numbers: A6511801620, A 651 180 16 20
• Category: Intercoolers

Function and role of the oil line in the forced induction system

The turbocharger lubricating oil line in Mercedes C117 models is responsible for transporting oil at the correct pressure from the engine to the turbine housing. Maintaining a stable oil film on the rotor bearings is crucial for:

• limiting friction and wear of rotating components,
• reducing the operating temperature of the turbocharger,
• protecting against seizing under high engine load,
• maintaining consistent boost characteristics.

A properly selected, original line allows for maintaining the factory operating parameters of the system, which is particularly important in modern Mercedes diesel units.

Compatibility and fitment for Mercedes

Mercedes C117 Turbocharger Lubricating Oil Line Hose Tube Pipe has been designed with the specific architecture of the engine and turbocharger used in this body series in mind. This means:

• factory mounting points and routing of the line in the engine bay,
• compatibility with original oil connections,
• appropriate internal diameter ensuring proper oil flow,
• maintenance of required pressure tolerances in the lubrication system.

As a result, installation is straightforward, without the need for modifications or the use of adapters, and the forced induction system retains the parameters specified by the manufacturer.

Characteristics of the used component

The offered line is a used component, which in practice means the possibility of an economical repair of the forced induction system while maintaining original manufacturing quality. In the case of oil lines, it is particularly important that:

• structural integrity is maintained (no cracks or deformations),
• connection ends allow for a leak-free installation,
• the line shows no signs of leakage in the bend areas.

Choosing an original Mercedes component allows you to reduce the risk of problems typical of aftermarket replacements of uncertain origin, such as inaccurate fitment or altered oil flow characteristics.

The importance of proper turbine lubrication for engine durability

A functional oil line has a direct impact on the condition of the turbocharger, and indirectly on the entire engine. Insufficient lubrication can lead to:

• accelerated wear of turbine bearings,
• increased exhaust gas temperature and thermal load on the unit,
• power loss and unstable operation under load.

Therefore, whenever working on the forced induction system, it is worth verifying the condition of the oil line and, if necessary, using a properly selected, original component. You can find more about the impact of cooling and lubrication systems on the service life of the power unit in the article Engine cooling system – overheating, repair, and used radiators, which helps to look at the entire system holistically.

Why it is worth choosing an original Mercedes line

By choosing this turbocharger lubricating oil line, you gain:

• a component designed specifically for the Mercedes C117 construction,
• preservation of the factory operating characteristics of the turbocharger,
• reduction of the risk of leaks and oil pressure problems,
• reasonable repair cost thanks to the use of a used part.

If you are planning a broader modernization of the forced induction or charge air cooling system, it is also worth considering other elements from the Intercoolers group to comprehensively organize the entire air and oil path in your Mercedes in one go.