Oil Pipe Mercedes W204 W212 OM651 Turbocharger Turbo Feed Line Hose A6511800220

The Mercedes W204 W212 OM651 Turbo Oil Hose is an original turbocharger component designed for the OM651 engines in the Mercedes W204 and W212 models. It ensures a stable oil supply to the turbocharger, which is crucial for the durability and proper operation of the entire turbocharger system.

Specifications and technical data

• SKU: A6511800220
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511800220
• Substitutable numbers: A6511800220, A 651 180 02 20
• Category: Turbos & Parts

Purpose and function in the turbocharging system

The turbo oil line is responsible for supplying lubricating and cooling oil to the turbocharger in the OM651 engine. A properly functioning line minimizes the risk of rotor seizure, turbine overheating, and reduced engine performance. For Mercedes diesel engines like the OM651, stable turbo lubrication is particularly important due to the high thermal and mechanical loads.

The element belongs to the turbocharger and parts category, which means that it is an integral component of the entire supercharging system, and its condition has a direct impact on the engine's operating culture, dynamics and operational safety.

Original origin and fitment to Mercedes

The hose was designed as an original Mercedes part, maintaining factory oil flow parameters, routing geometry, and mounting points. This solution:

• facilitates installation in the engine compartment without the need for modifications,
• ensures proper cable routing while maintaining the required bending radii,
• reduces the risk of collision with other engine components.

Original workmanship translates into predictable behavior in long-term use and compatibility with Mercedes factory service points.

Used condition - practical benefits

The turbo oil hose offered is in used condition, significantly reducing repair costs compared to a new OEM component while maintaining its original design. Many users and workshops find this a reasonable compromise between price and quality, especially when repairing older W204 and W212 models.

Choosing a used oil line makes sense especially when:

• the turbocharger has been replaced or reconditioned and it is recommended to check the oil lines,
• the old pipe shows signs of leakage or external corrosion,
• a quick and economical repair is necessary while maintaining the original specifications.

Why is a functioning turbo oil line so important?

In turbocharged engines like the OM651, stable turbocharger lubrication is crucial for trouble-free operation. A worn or leaking oil line can lead to:

• drop in oil pressure in the system,
• accelerated wear of turbo bearings,
• oil leaks in the engine compartment,
• increased exhaust smoke and loss of power.

Replacing the hose with a functional original element helps reduce these risks and restore the turbocharger's proper operating conditions, which is important for both the performance and the service life of the entire engine.

Link to AWD drives and Mercedes operation

In Mercedes models equipped with 4Matic all-wheel drive, the OM651 engine is often paired with advanced drivetrain systems. The turbine's stable operation, ensured by a functioning oil line, directly impacts the smoothness of power delivery to all wheels. For a better understanding of how the drivetrain interacts with the engine in different brands, it's worth checking out the article "xDrive, 4Matic, quattro, or 4Motion – a comparison of AWDs from BMW, Mercedes, Audi, and VW ," which discusses the design and service differences of popular AWD systems.

Support in selecting parts and additional information

If you're looking for other turbochargers and parts for Mercedes, check out our dedicated offer: turbochargers and parts for Mercedes . There, you'll find a wide selection of turbocharger components tailored to various Mercedes models.

Are you considering whether new or used turbocharger components are the better choice for you? For a practical comparison of costs and quality, check out our New vs. Used: Car Parts Cost and Quality Comparison guide, which will help you make an informed purchasing decision based on realistic service scenarios.