Oil Pipe Mercedes W176 W246 OM651 Turbocharger Turbo Line Hose A6511801720

The Mercedes W176 W246 OM651 Turbo Oil Hose is an original turbocharger and parts component designed for the OM651 engine in the Mercedes A-Class W176 and B-Class W246 models. This oil hose ensures a factory-approved oil supply to the turbocharger, ensuring stable engine operation and proper rotor lubrication.

Specifications and technical data

• SKU: A6511801720
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511801720
• Substitutable numbers: A6511801720, A 651 180 17 20, A6511801420, A 651 180 14 20
• Category: Turbos & Parts

Purpose and function of the turbo oil line

The turbo oil line in the OM651 engine is responsible for the controlled supply of engine oil to the turbine bearings. A properly sized and sealed line:

• stabilizes the lubrication of the turbocharger rotor, reducing the risk of seizure,
• helps maintain the appropriate operating temperature of rotating elements,
• minimizes oil leaks around the turbocharger,
• supports maintaining factory boost parameters in the OM651 engine.

In case of symptoms such as oiling around the turbine, loss of power or smoking, replacing the oil line is one of the basic service activities in the turbocharging system.

Application in Mercedes W176 and W246 with OM651 engine

The Mercedes W176 W246 OM651 Turbo Oil Hose is designed as a dedicated component for specific Mercedes drive configurations. This allows:

• ensures proper oil flow in the engine compartment,
• is matched to the geometry of the OM651 unit and turbocharging equipment,
• facilitates installation without the need for modifications or shape adjustments.

Original Mercedes origin helps maintain compliance with factory quality and safety standards, which is especially important in turbocharged diesel engines.

Characteristics of the element used

The offered hose comes from a disassembled system and is listed as used . This type of part, while maintaining proper sealing and patency, is an economical alternative to a new component, allowing for:

• reduce the cost of repairing the turbocharging system,
• maintain the original manufacturer's specifications,
• maintain consistency with other oil system components.

Before installation, it is recommended to carry out a standard inspection of the condition of the seats, sealing surfaces and the oil channel patency, in accordance with the service procedures for OM651 engines.

Benefits of using the original turbo oil hose

Choosing the original turbocharger oil line for your Mercedes W176 or W246 brings a number of practical benefits:

• Factory fit – the hose is designed to fit the OM651 turbocharger system, reducing the risk of stress and leaks.
• Stable turbine operation – proper oil flow supports bearing life and maintains boost parameters.
• Operational safety – a properly selected hose reduces the risk of sudden oil leaks in high temperature areas.
• Economical repair – a used component allows you to balance service costs while maintaining the original design.

Other Mercedes turbo oil lines and technical knowledge

If you are also looking for other turbo oil lines for Mercedes in the turbochargers and parts category, check out our offer, where you will find a wide selection of such elements: turbo oil lines for Mercedes in the turbochargers and parts category .

When selecting used components for mechanical systems, it's important to understand the design differences between standard components and the more sophisticated solutions used in sports setups. These issues, along with practical tips for selecting used components, are discussed in the article: Standard vs. Sports Suspension – Design Differences and Selection of Used Parts .

By choosing a used turbo oil hose, you are also supporting a more sustainable approach to vehicle operation, based on the reuse of functional components from dismantling, which has a positive impact on both the environment and the service budget.