Crank Cover Mercedes W204 W639 W906 OM651 Engine Timing Case Bottom A6510110108

Crank Cover Mercedes W204 W639 W906 OM651 Engine Timing Case Bottom is an original component from the Cylinder Heads group, designed for OM651 diesel engines in Mercedes W204 and W906 vehicles. This used crankshaft cover provides a solid foundation for professional engine repair, ensuring proper sealing and stable guidance of moving parts. It is a solution for users seeking parts with proven mounting geometry and factory-spec fitment.

Specifications and technical data

• SKU: A6510110108
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510110108
• Substitutable numbers: A6510110108, A 651 011 01 08
• Category: Cylinder Heads

Purpose and function in the OM651 engine

The crankshaft cover in the OM651 engine is responsible for tightly sealing the lower part of the power unit and maintaining proper crankshaft guidance. This contributes to:

• maintaining stable crankshaft operating clearances,
• proper oil circulation in the lower part of the engine,
• reducing leaks and lubrication losses,
• maintaining adequate block rigidity in the area of the main bearings.

Thanks to its factory design, the cover works in harmony with the original lubrication system and block geometry, which facilitates trouble-free installation and ensures the engine operates according to the manufacturer's specifications.

Benefits of using an original crankshaft cover

Using an original crankshaft cover in the OM651 engine helps maintain the structural integrity of the entire bottom end of the engine. In practice, this means:

• factory fitment to the block and crankshaft,
• maintaining crankshaft alignment and proper interaction with main bearings,
• reducing the risk of vibrations and excessive wear of moving parts,
• the ability to use standard Mercedes service procedures.

For workshops and private users, this is a way to achieve a technically correct repair without the need to modify other engine components.

Condition of the component and practical service application

The crankshaft cover comes from a used vehicle, making it an attractive cost-effective alternative to new components while retaining the original design. This type of element is particularly useful for:

• overhauling the bottom end of an OM651 engine after seizure or mechanical damage,
• rebuilding a unit after a collision or lubrication system failure,
• comprehensive engine regeneration in Mercedes commercial and passenger vehicles.

Choosing a used crankshaft cover allows you to optimize your repair budget while maintaining the original structural specification characteristic of OM651 units.

Integration with the cylinder head system and other engine components

As a component from the Cylinder Heads group, the crankshaft cover works with the block, cylinder head, and lubrication system to form a cohesive engine support structure. A correctly selected cover:

• facilitates maintaining a seal between the block and other components,
• supports even distribution of mechanical loads,
• ensures compatibility with factory seals and fasteners.

This is particularly important in diesel engines, where structural stability and proper crankshaft guidance have a direct impact on the engine's refinement and durability.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as housings, covers, or fasteners, check out the available parts in the Mercedes Cylinder Heads category.

For users considering a wider range of service work and wanting to better understand the structural differences between factory and alternative solutions, as well as the specifics of selecting used components, the article Standard vs. sports suspension – design differences and is it worth buying used suspension parts? may be helpful, as it discusses the practical aspects of choosing parts from the secondary market.