Mercedes W205 Diesel OM651 Front Air Filter Box Housing Holder A6510940427

Mercedes W205 Diesel OM651 Front Air Filter Box Housing Holder is an original mounting component designed for OM651 diesel units in the W205 body style. This specialized holder provides stable, precise support for the air filter housing in the front part of the engine bay, which translates into the correct operation of the intake system and vibration reduction.

Specifications and technical data

• SKU: A6510940427
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510940427
• Substitutable numbers: A6510940427, A 651 094 04 27
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and function in the intake system

The front air filter box housing holder in the Mercedes W205 model with an OM651 engine is responsible for stable mounting of the filter housing relative to the body structure and the powertrain. Proper support of the housing limits unwanted movement during the operation of the diesel unit, reduces vibration transmission, and minimizes the risk of housing cracks or leaks in the intake system.

The component is designed for installation in the front part of the vehicle, in the immediate vicinity of the diesel engine, which requires resistance to elevated temperatures, vibrations, and operational loads typical for this power unit.

Benefits of using the original holder

Using a dedicated holder for the OM651 engine in the W205 body allows for maintaining the factory geometry of the intake system routing. This brings a number of practical benefits:

• maintaining the correct position of the air filter housing relative to the intake ducts and the engine,
• limiting stress at the housing mounting points,
• reducing noise and vibrations transmitted to the vehicle interior,
• maintaining the correct operation of the diesel engine thanks to stable air supply.

As a result, the holder serves as a functional addition to the powertrain mounting system, supporting the durability of plastic and rubber components in the engine bay.

Mounting characteristics and compatibility

The holder is intended for installation in the front part of the engine bay in a diesel-powered vehicle. The design, matched to the specific body and power unit configuration, facilitates installation and allows for the use of factory mounting points without the need for modifications.

The element comes from disassembly, which means it is an original Mercedes part with parameters consistent with the manufacturer's factory specifications. For workshops and individual users, this represents a cost-effective solution while maintaining proper fit and build quality.

Application in service practice

Replacing the front air filter box housing holder is recommended in situations where cracks, worn mounting sockets, excessive housing vibrations, or visible deformations after a collision or bodywork repairs occur. A properly selected holder helps restore the stability of the intake system and reduce the risk of secondary damage to adjacent components.

When working with used components, it is worth knowing good practices for selecting and verifying parts from disassembly – especially in the area of electronics and components working with the engine. Useful tips can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses key aspects of safely using used subassemblies.

Expanding work within the powertrain mounting area

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 mounts, brackets, or vibration damping elements, check the available parts in the Mercedes engine mounts category.