Oil Feed Pipe Mercedes W204 W212 OM651 Turbocharger Oil Line A6511800320

The Mercedes W204 OM651 turbocharger oil line pipe is an original turbocharger component designed for OM651 diesel engines. It ensures a stable oil supply to the turbocharger, ensuring proper lubrication, cooling, and durability of the entire system.

Specifications and technical data

• SKU: A6511800320
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511800320
• Substitutable numbers: A6511800320, A 651 180 03 20, BG
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and function in the supercharging system

The turbocharger oil line pipe for the Mercedes W204 with the OM651 diesel engine is responsible for transporting engine oil to the turbine core. Proper oil flow is crucial for the operation of the turbocharger bearings, reducing friction, and dissipating heat from the rotor. A leaky or clogged pipe can lead to overheating, turbine seizure, and reduced performance. Therefore, a functioning component of this type has a direct impact on the reliability of the engine.

Construction and technical characteristics

The oil line in this model was designed to match the geometry of the OM651 engine and its installation in the W204 body. Its carefully selected shape and internal diameter ensure proper pressure and oil flow efficiency throughout the entire load range. The line's design is optimized for:

• stable oil flow at high operating temperatures typical of diesel engines,
• resistance to vibrations generated by the drive unit and turbocharger,
• precise fit to the factory mounting points on the engine and turbocharger.

This ensures orderly installation without the need to modify the system, and the cable remains in a stable position while the engine is running.

Benefits of using the original oil line

Using a turbocharger oil line and parts specifically designed for a specific engine allows for maintaining operating parameters close to factory specifications. In practice, this means:

• reduced risk of oil leaks in the turbocharger area,
• stable lubrication of turbine bearings under high loads,
• reducing the risk of turbocharger damage due to insufficient oil supply,
• maintaining proper charging characteristics and efficiency of the diesel engine.

This type of element is particularly important in diesel engines, where the turbocharger operates under high thermal and mechanical load, and the quality of lubrication has a direct impact on the service life of the entire system.

Used condition - conscious service choice

This used turbocharger oil line offers a cost- effective turbocharger repair while maintaining the original manufacturer's specifications. Many users and workshops find this a reasonable compromise between cost and quality, especially for older Mercedes W204 diesel models. A used OEM component maintains its factory fit, simplifying installation and reducing service time.

If you want to better plan your repair budget, check out our blog guide: Rising Repair Costs and the Used Parts Boom – How to Save on Car Service . You'll find practical tips on how to safely use used OEM components.

Selection and other turbocharger oil lines for Mercedes

When selecting a turbocharger oil line, matching it to the specific model, generation, and engine type is crucial. In the case of the Mercedes W204 with the OM651 engine, it's worth paying attention to compatibility with the turbocharger system and accessory configuration. If you're looking for other turbocharger oil lines for Mercedes, check out our dedicated offer: turbocharger oil lines for Mercedes . This allows you to easily compare available variants within the same category and brand.