Mercedes W902 OM611 Oil Separator Intake Manifold Air Flow Pipe Hose A6110161081

The Mercedes W902 intake manifold oil separator hose with OM611 engine is a specialized component of the intake system in vehicles with a diesel engine. It is responsible for the controlled flow of air and oil vapor mixture between the separator and the manifold, supporting the stable operation of the power unit. This solution is designed for users who expect a reliable and sealed connection within the intake system.

Specifications and technical data

• SKU: A6110161081
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6110161081
• Substitutable numbers: A6110161081, A 611 016 10 81
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Function in the Intake System

The intake manifold oil separator hose in the Mercedes W902 with OM611 engine operates in the demanding environment of a diesel engine. It connects the oil separator area to the intake manifold, directing air mixed with oil vapors in a controlled manner, which limits their undesirable entry into other engine sections.

In a correctly configured diesel intake system, such a hose:

• stabilizes airflow in the intake manifold area,
• supports the proper functioning of the oil separator,
• reduces the risk of leaks and performance drops,
• helps maintain smooth engine operation under various loads.

Construction and Fit for OM611 Diesel Engine

This element belongs to the group of Hoses, Tubes, and Pipes, meaning it is designed to function as a flexible yet stable connection in the engine bay. Its shape and diameters are adapted for installation in the Mercedes W902 with the OM611 unit, ensuring the hose follows the factory geometry of the intake system.

The hose is intended for use with a diesel engine, which experiences higher thermal and pressure loads than many gasoline engines. Proper routing of oil vapors in such an engine is crucial for smooth operation, limiting manifold contamination, and maintaining stable combustion parameters.

Application in Service and Repairs

Replacement of the intake manifold oil separator hose is recommended in situations where:

• oil leaks are visible around the separator and manifold connections,
• the hose material shows cracks, abrasions, or excessive hardening,
• there are engine running issues related to intake system leaks.

Choosing a hose dedicated to a specific Mercedes W902 with OM611 engine configuration helps minimize the risk of mismatched diameters or lengths, which is particularly important in tightly packed engine bays. A used original part of this type can be an attractive solution for routine repairs where structural compatibility with the factory system is paramount.

Benefits of Using a Dedicated Hose

Using an intake manifold oil separator hose designed for a specific model and engine type offers tangible service benefits:

• Improved intake system seal – reducing uncontrolled air and vapor intake.
• Stable operation of the diesel engine – proper routing of oil vapors promotes even combustion.
• Easier installation – the precisely fitted hose geometry simplifies installation at factory mounting points.
• Compatibility with other intake system components – the hose works in conjunction with the existing oil separator and manifold.

Intake System Expansion in Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as intake hoses, vacuum hoses, or breather pipes, check the available parts in the Mercedes Hoses, Tubes, and Pipes category.

Summary

The intake manifold oil separator hose for the Mercedes W902 with OM611 engine is a technically adapted component of the diesel engine's intake system that supports the correct routing of oil vapors and air. Thanks to its design tailored to the specific power unit, it facilitates maintaining the seal and stable engine operating parameters, which is important for both daily use and intake system servicing.

To deepen your knowledge on selecting and installing used components in performance-oriented vehicles, it is worth reading an article describing the practical aspects of installing a sports exhaust system in Mini models – you can find it here: Used Mini John Cooper Works Pro Sport Exhaust – A Legal Way to Get a Race-Car Sound and +7 HP.