Air Filter Housing Mercedes W212 OM651 Rear Mount Bracket Support A6510900041

Air Filter Housing Mercedes W212 OM651 Rear Mount Bracket Support is a precision mounting component designed for OM651 diesel engines, responsible for providing stable support for the rear section of the air filter housing. Thanks to its perfect fit for the engine bay architecture in E-Class W212 models with diesel engines, it ensures secure fastening of the intake system and reduces unwanted vibrations. This is a practical solution for users who want to restore the factory mounting geometry of engine accessories after repairs or modifications.

Specifications and technical data

• SKU: A6510900041-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510900041
• Substitutable numbers: A6510900041, A 651 090 00 41
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and function in the intake system

The rear air filter housing bracket in the OM651 engine is responsible for maintaining a stable position of the filter housing relative to the power unit and the body. In practice, this means:

• reduction of stress acting on the filter housing and intake ducts,
• limitation of vibration transfer from the diesel engine to plastic components,
• maintaining proper airflow to the intake system,
• lower risk of cracks, looseness, and leaks in the air filter area.

Its placement in the rear part of the filter assembly means the bracket operates in the immediate vicinity of the power unit, which is why its proper fit is crucial for the stability of the entire intake system.

Compatibility with Mercedes W212 with OM651 engine

The discussed bracket has been designed with the engine bay architecture of the Mercedes E-Class W212 generation with the OM651 unit in mind. The component's design accounts for:

• mounting geometry characteristic of the diesel engine,
• operation in the rear engine bay zone,
• compatibility with the air filter housing intended for this unit.

As a result, installation is straightforward, and once installed, the bracket restores the factory support points, which is particularly important after replacing the filter housing, collision repairs, or accessory upgrades.

Characteristics of the used component

The presented bracket is a used part, sourced from dismantling, which allows for maintaining the original geometry and material consistent with the manufacturer's factory specifications. This type of component is a good choice when you want to:

• maintain compatibility with factory mounting points,
• reduce repair costs while maintaining OEM quality,
• ensure consistent fitment with other intake system components.

As a structural element, the bracket does not contain wear-and-tear parts, meaning a properly selected used equivalent can continue to function effectively in the system, ensuring stable mounting of the air filter housing.

Importance for diesel engine operation

In diesel engines such as the OM651, proper airflow to the intake system has a direct impact on engine refinement and the durability of accessories. A stable air filter housing bracket helps to:

• maintain the tightness of intake connections,
• minimize vibrations acting on the filter housing and ducts,
• limit the risk of looseness and noise in the rear part of the engine bay.

This is particularly important in vehicles used intensively, where the intake system is exposed to long-term thermal and mechanical loads.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes with a diesel unit and want to better understand the relationships between accessories and performance, it is worth checking out technical materials describing other Mercedes designs, such as the 3.0 V6 CDI engine – the article The second life of the Mercedes OM642 engine – how injectors and a turbocharger restore the power of the 3.0 V6 CDI will be helpful.

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 additional brackets, mounts, or engine support elements, check the available parts in the Mercedes engine mounts category.