Crank Cover Mercedes W906 OM651.955 Engine Timing Case A6510151402

Crank Cover Mercedes W906 OM651.955 Engine Timing Case is an original timing drive component designed for OM651 units used in W906 series models. The cover is a precision-engineered element of the engine's front assembly, responsible for tightly sealing the timing mechanism and ensuring stable operation of the entire system. Thanks to its factory origin and precise fit for this specific engine generation, it ensures assembly consistency and compliance with Mercedes factory standards, facilitating professional repair or replacement.

Specifications and technical data

• SKU: A6510151402
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510151402
• Substitutable numbers: A6510151402, A 651 015 14 02
• Category: Cylinder Heads

Purpose and function of the timing cover

The timing cover in the OM651 engine plays a key role in the front assembly of the powertrain. It is responsible for:

• tightly isolating the timing mechanism from external factors,
• maintaining proper guidance of components operating in the front part of the engine,
• stabilizing system operation under varying thermal and mechanical loads.

In the case of diesel units used in the Mercedes W906, a correctly selected timing cover is essential for maintaining proper sealing, and thus for long-term trouble-free engine operation.

Construction, fitment, and installation

The timing cover dedicated to the OM651 engine has been designed as a component that works in conjunction with the factory timing system and the engine's front assembly. This means that:

• the geometry of the mounts is consistent with the factory connection points on the block and cylinder head,
• appropriate sealing surfaces are provided for factory gaskets and sealants,
• the design is adapted to the operating conditions of the OM651 unit in the W906 configuration.

As a result, this component can be used both for standard replacement of a damaged cover and for more extensive service work within the timing system and the front part of the engine.

Product characteristics and condition

The offered timing cover belongs to the Cylinder Heads category, which in practice means it works directly with the upper part of the powertrain and is linked to the cylinder head and timing area. The product comes from a Mercedes vehicle and is a used part, making it an attractive solution for repairs where maintaining factory geometry and fitment is important while optimizing service costs.

Proper selection of the cover for the specific OM651 engine configuration in the W906 helps reduce the risk of leaks, installation problems, and improper fitment with other components of the engine's front section.

Practical service application

This type of timing cover is particularly useful in situations where:

• mechanical damage or deformation of the existing cover has occurred,
• leaks have been detected in the front part of the engine,
• comprehensive repair work is being carried out on the timing system and cylinder head.

Using an original component dedicated to the OM651 unit in the W906 allows for maintaining the structural integrity of the entire system, which is important both from the point of view of durability and subsequent service maintenance.

Related components and system expansion

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 elements working with the upper part of the powertrain, check out the available parts in the Mercedes Cylinder Heads category.

For drivers and mechanics who want to better plan service work and optimally select the scope of component replacement, a practical guide on operation and component replacement may also be helpful – see the article "TOP 10 most frequently replaced parts in your car" to better plan the next stages of vehicle maintenance.