Mercedes W447 OM622 Diesel Engine Intake Inlet Manifold A6260900437

Mercedes W447 OM622 Diesel Intake Manifold is an original part from the Intake Manifolds group, designed for OM622 diesel engines in Mercedes V-Class/Vito W447 models. Designed for a specific diesel engine, it ensures proper airflow to the cylinders, stable engine operation, and correct combustion parameters.

Specifications and technical data

• SKU: A6260900437
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6260900437
• Substitutable numbers: A6260900437, A 626 090 04 37
• Fuel type: Diesel
• Category: Intake Manifolds

Purpose and Function in the Intake System

The intake manifold in an OM622 diesel engine is responsible for evenly distributing air to individual cylinders, which directly impacts the smoothness of operation, performance, and fuel consumption. For Mercedes diesel engines, a correctly selected intake manifold is crucial for maintaining proper boost pressure, correct EGR system operation, and stable idling.

Using a dedicated part for a specific W447 variant allows for the preservation of factory engine parameters, reduces the risk of intake system leaks, and avoids issues with the engine control unit's electronic diagnostics.

Application in OM622 Diesel Engine

The presented intake manifold is designed to work with the OM622 diesel engine, used in the Mercedes W447. This means compatibility with the factory cylinder head geometry, intake port layout, and accessory mounting points.

• dedicated fit for the OM622 engine architecture,
• maintaining proper airflow across the entire RPM range,
• compatibility with the standard accessories of the diesel engine.

Thanks to this, the manifold can be used for both standard replacement of a worn part and for intake system repairs after mechanical failure or leaks.

Characteristics of a Used Part

The offered intake manifold is a used part, sourced from disassembly, which allows for economical repair while maintaining the original manufacturer's specifications. In practice, this means:

• factory fit for the Mercedes engine,
• preservation of the original intake port geometry,
• possibility of installation in place of a worn or damaged manifold without structural modifications.

The choice of an original, used intake manifold is often preferred by mechanics when repairing diesel engines, as it avoids issues with casting quality and dimensional tolerances that can occur with inexpensive aftermarket alternatives.

Technical Support and Part Selection

This part belongs to the Intake Manifolds group, so when selecting it, pay attention to compatibility with the specific engine version and W447 body. The product has an assigned OEM part number and interchangeable numbers, which facilitates compatibility verification in service catalogs and parts selection systems.

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 manifolds, intake duct components, or intake housings, check the available parts in the Mercedes Intake Manifolds category.

Additional Information and Technical Knowledge

When replacing the intake manifold in a diesel engine, it is worth paying attention to the condition of the seals, vacuum hoses, and cooperating intake system components. Proper installation and maintaining a seal directly impact turbocharger operation, exhaust emissions, and engine response to load.

If you are interested in a broader context of using used parts in exhaust and air flow systems, as well as selecting manifolds for various car brands, check out the article on our blog: Performance Exhaust Systems: Used Manifolds and Sport Catalysts on the Road.

For those who want to better understand how to effectively use the used parts market and how to choose original components for popular car models, a guide may also be helpful: Best Used Car Parts – A Guide to the Most Chosen Original Parts.