Mercedes W204 W212 W906 OM642 Diesel Engine Camshaft Inlet Intake A6420506101

Mercedes W204 W212 W906 OM642 Diesel Engine Camshaft Inlet Intake is a precision timing system component designed for OM642 diesel engines used in popular Mercedes C-Class and E-Class models, as well as commercial vehicles. This component from the Camshafts category is responsible for precisely controlling the opening phases of the intake valves, which translates into stable engine operation, proper cylinder filling, and predictable torque characteristics. By maintaining the factory cam geometry, the camshaft ensures proper interaction with other timing components in the diesel engine.

Specifications and technical data

• SKU: A6420506101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420506101
• Substitutable numbers: A6420506101, A 642 050 61 01
• Fuel type: Diesel
• Category: Camshafts

Purpose and role in the OM642 engine

The presented intake camshaft has been designed to work with the six-cylinder OM642 diesel engine used in Mercedes W204, W212, and W906 models. As an element responsible for controlling the valves on the intake side, the camshaft influences:

• proper cylinder filling with the air-fuel mixture,
• maintenance of stable idle speed,
• smooth engine operation across the full load range,
• effective utilization of the diesel engine's characteristics.

Thanks to the maintenance of the appropriate cam profile and correct rigidity, this component supports precise timing control, which is important for both the durability of the unit and its operating refinement.

Benefits of using an original camshaft

In diesel engines, especially in high-load units like the OM642, the choice of the correct camshaft has a direct impact on reliability. Using an original component from the Mercedes brand allows for maintaining:

• compliance with factory manufacturing tolerances,
• proper fitment to the cylinder head and valve lifters,
• consistency with the factory engine operating characteristics,
• stable performance parameters under long-term loads typical for diesel units.

For users expecting predictable drivetrain behavior, an original camshaft from the Camshafts category is a technically safe solution that is compatible with factory engine control unit settings.

Product characteristics and condition

The offered item comes from the used parts segment, which allows for economical repair while maintaining the manufacturer's original specifications. The product condition marked as Used means that the camshaft has been previously operated, but is still suitable for further use after proper installation verification. In practice, this means the possibility of:

• reducing engine overhaul costs,
• preserving the original geometry of the component,
• avoiding fitment issues characteristic of aftermarket replacements of uncertain origin.

Additionally, the product has an assigned SKU and OEM part number, as well as available interchangeable numbers, which facilitates unambiguous identification and selection for a specific engine configuration.

Application in diesel engines and service aspects

Engines powered by Diesel, especially in vehicles such as the Mercedes W204, W212, or W906, often operate under higher loads and with high mileage. In such conditions, the intake camshaft is exposed to wear on the cam surfaces and bearing journals. Replacement of this component is recommended, among other things, during:

• overhaul of the cylinder head or the entire OM642 engine,
• confirmed excessive cam wear,
• engine refinement issues resulting from improper intake valve operation.

Selecting the right component for a specific engine variant is facilitated by the assigned brand and clear catalog markings in the technical specification.

Expert support and related content

When working on the timing system, it is worth expanding your knowledge about typical signs of wear and how to plan repairs based on original or used components. A material describing the operation and maintenance of the timing system in another popular engine, which discusses, among other things, wear symptoms, repair costs, and the advantages of using used parts, may be helpful – details can be found in the article about the BMW N47 timing chain and repairs using original parts.

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 additional camshafts, gears, or components cooperating with the timing system, check the available parts in the Mercedes Camshafts category.