Mercedes W204 W212 W221 Cylinder Head Bank 1-3 Left N/S OM642 V6 R6420163901

A6420106720 R6420163901 is an original powertrain component from Mercedes, designed for discerning users seeking factory quality and a precise fit. This part comes from the used OEM components segment, making it an attractive solution for drivers and workshops that prioritize proven, original parts over cheaper aftermarket alternatives.

Specifications and technical data

• SKU: A6420106720
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420106720
• Substitutable numbers: A6420106720, A 642 010 67 20, R6420163901, R 642 016 39 01
• Location on the vehicle: Left
• Fuel type: Petrol
• Part type: Cylinder Head
• Category: Cylinder Heads

Technical Characteristics and Purpose

The component designated as A6420106720 R6420163901 has been engineered to Mercedes' exacting standards, with a focus on powertrain stability and compatibility with the vehicle's factory architecture. The part's design is optimized for seamless integration with original control systems and ancillaries, minimizing the risk of installation issues and unwanted diagnostic errors.

The original origin of this component helps maintain optimal engine unit operating parameters, such as sealing, proper fluid flow, and secure mounting rigidity. Consequently, the part performs exceptionally well in both everyday driving and more demanding operational conditions.

Benefits of Using an Original Mercedes Part

Utilizing an original component in Mercedes vehicles offers a range of practical technical advantages:

• Preservation of the powertrain's factory operating characteristics,
• Superior geometric fit with other components,
• Reduced risk of leaks and improper installation,
• Simplified diagnostics during subsequent service inspections.

For workshops and specialists focusing on the Mercedes brand, a used OEM part often represents a sensible compromise between repair costs and maintaining a high level of reliability. This type of part enables a technically sound repair without the need to resort to uncertain aftermarket replacements.

Used Condition – A Practical Approach to Repair

The component presented is offered in a used condition, meaning it has been removed from a vehicle and may show signs of wear, while still retaining the functionality required for continued use. For many users, this is an advantageous solution that helps reduce service costs while maintaining the vehicle's original technical specifications.

When planning a more extensive powertrain upgrade or repair, consider selecting other original, used components. Our guide to popular parts may be helpful, available at: most frequently chosen used original parts for popular brands.

Technical Support and Additional Knowledge

Selecting the correct component for a specific Mercedes engine version and model year requires careful attention to matching part numbers and ancillary configurations. If in doubt, it is advisable to consult with a mechanic or a specialized service center to ensure the chosen component will work correctly with your existing system.

If you are interested in a broader context of upgrades and selection of used components for exhaust systems and engine ancillaries, we encourage you to read the article: performance exhaust systems and selection of used sports manifolds and catalytic converters. This provides practical knowledge for those planning more advanced modifications or wishing to make informed choices about used parts for their vehicle.

Summary

A6420106720 R6420163901 is an original, used Mercedes component that helps maintain the vehicle's technical integrity and preserve the powertrain's factory operating parameters. It is a sensible choice for drivers and workshops who value proven OEM solutions while seeking an economical alternative to new parts.