Mercedes W447 OM622 Diesel Engine Oil Separator A6260104300

Mercedes W447 OM622 Diesel Engine Oil Separator is a specialized component from the Oil Coolers & Hoses group, designed for the lubrication system in OM622 diesel engines. It is responsible for effectively separating oil mist from crankcase gases, which contributes to stable engine operation and reduces oil consumption. This solution helps maintain intake cleanliness and proper engine operation in daily use.

Specifications and technical data

• SKU: A6260104300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6260104300
• Substitutable numbers: A6260104300, A 626 010 43 00
• Fuel type: Diesel
• Gearbox type: Manual
• Category: Engine Oil Coolers & Lines

Purpose and Role in the Engine System

The oil separator in the OM622 diesel engine is responsible for the controlled removal of oil vapors from the engine's interior. This limits the ingress of oil into the intake system, helping to maintain stable combustion parameters and reducing the risk of carbon deposits on intake components and valves.

In conjunction with the manual transmission, for which this variant is intended, the separator supports uniform engine operating conditions across the full load range – from city driving to longer journeys. A properly functioning component of this type contributes to:

• more predictable engine oil consumption,
• stable crankcase pressure,
• reduced contamination of intake pipes and associated components.

Benefits of Using an Original Mercedes Component

The oil separator dedicated to the Mercedes W447 with the OM622 engine has been designed for the specific gas and oil flow parameters of this unit. Using an original Mercedes solution allows for the preservation of the original lubrication system's operating characteristics, which is particularly important in modern diesels with advanced exhaust emission control.

The main advantages of using this component include:

• maintaining compliance with the original OM622 engine design,
• reducing oil blow-by into the intake system,
• smoother engine operation across the entire RPM range,
• better operating conditions for accessories working with the lubrication system.

Characteristics of the Used Component

The offered oil separator is a component from the Oil Coolers & Hoses group, sourced from disassembly, allowing for economical repair while maintaining original manufacturer specifications. A used OEM component is a particularly attractive solution for maintenance repairs when you want to preserve the original design at a reasonable service cost.

The choice of a used OEM component is often preferred by workshops specializing in the Mercedes brand, as it allows for quick restoration of system functionality without the need for aftermarket replacements with uncertain parameters. This effectively reduces vehicle downtime and maintains the technical consistency of the entire lubrication system.

Operation in a Diesel Engine with a Manual Transmission

In OM622 diesel engines paired with a manual transmission, the oil separator operates under varied load conditions – from low RPMs to dynamic acceleration. A functional component of this type helps maintain:

• stable engine operating parameters during frequent gear changes,
• more uniform lubrication conditions during long-term use,
• better cooperation with the intake and exhaust gas recirculation systems.

As a result, the oil separator is an important element of operational maintenance – its proper selection and technical condition contribute to the long-term, predictable operation of the engine in commercial and passenger vehicles based on the W447 platform.

Technical Support and Additional Materials

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 oil lines, oil coolers, or additional lubrication system components, check the available parts in the Mercedes Oil Coolers & Hoses category.

To better understand the impact of engine operating temperature on the durability of lubrication and cooling system components, it is worth reading the guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings, which describes the practical aspects of operating components at high temperatures.

Additional information on the benefits of using used OEM components and their impact on repair time and workshop organization is provided in the article Immediate Availability of Car Parts vs. Repair Time – How Used OEM Shortens Workshop Stays?, which is helpful when planning service for vehicles with the OM622 engine.