Mercedes-Benz B-Class W245 Oil Return Line Pipe Turbocharger A6401800022

Mercedes-Benz B-Class W245 Oil Return Line Pipe Turbocharger is an original component from the Turbochargers and parts group, designed specifically for the forced induction system in the B-Class W245 model. The precise geometry of the connections and factory-spec routing ensure a stable return of lubricating oil from the turbocharger to the engine, which supports the safe operation of the powertrain and reduces the risk of leaks.

Specifications and technical data

• SKU: A6401800022
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6401800022
• Substitutable numbers: A6401800022, A 640 180 00 22, EM
• Category: Turbos & Parts

Function and application of the oil return line

The oil return line for the turbocharger in the Mercedes-Benz B-Class W245 is responsible for draining heated oil from the turbine housing back into the engine's lubrication system. A correctly selected component:

• maintains proper oil flow in the turbocharger,
• minimizes the risk of turbine bearing overheating,
• limits the possibility of oil entering the intake or exhaust system.

By maintaining the factory shape and diameter of the line, the forced induction system operates under stable conditions, which promotes the durability of the turbocharger and smooth engine performance.

Benefits of using an original Mercedes component

The original oil return line from the Mercedes group ensures a perfect fit to the factory mounting points in the B-Class W245, without the need for modifications or the use of additional adapters. This solution is particularly beneficial when:

• repairing or replacing the turbocharger,
• eliminating leaks in the turbine lubrication system,
• restoring the stock configuration after previous modifications.

The component from this group is designed for resistance to high temperatures and vibration loads, which promotes stable operation in daily driving.

Used condition – a practical service solution

The offered oil return line for the turbocharger is in used condition, which provides a reasonable compromise between repair costs and maintaining the manufacturer's original specifications. For many Mercedes-Benz B-Class W245 users, this is an effective way to restore the efficiency of the forced induction system while limiting expenses, especially in the case of older vehicle models.

Part selection and OEM compatibility

To correctly select the oil return line for a specific engine version of the B-Class W245, it is worth paying attention to OEM markings and available interchangeable numbers assigned to this component. This facilitates verification of compatibility with the turbocharger and engine block, and reduces the risk of an incorrect purchase.

If you want to deepen your knowledge on the safe selection of used components and checking compatibility of markings, use the expert advice described in the article No more bad purchases! How to professionally select used car parts, saving time and nerves, where you will find practical tips regarding OEM compatibility.

Forced induction system expansion and related components

During service work on the turbocharger, it is also worth paying attention to other components from the Turbochargers and parts group, such as oil supply lines, mounting elements, or seals, which directly affect the tightness and stability of the system. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as oil lines, connections, or small mounting accessories, check the available parts in the Mercedes Turbochargers and parts category.

Summary

Mercedes-Benz B-Class W245 Oil Return Line Pipe Turbocharger is a practical choice for users who want to restore proper turbine lubrication while maintaining factory geometry and mountings. A used, original component from the Turbochargers and parts category allows for efficient repair, reduction of leak risks, and maintenance of proper operating conditions for the forced induction system in daily use.