Mercedes W447 Turbocharger Compressor Housing 114 CDI OM651 Diesel A6510901686

Mercedes W447 Turbocharger Compressor Housing 114 CDI OM651 Diesel is a specialized component from the Turbochargers and parts category, designed for forced induction systems in diesel engines. This used, original compressor housing provides a solid foundation for repairing or remanufacturing a turbocharger, helping to restore the engine's proper operating parameters.

Specifications and technical data

• SKU: A6510901686-5
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510901686
• Substitutable numbers: A6510901686, A 651 090 16 86
• Fuel type: Diesel
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and function in the forced induction system

The turbo compressor housing in a diesel engine is responsible for precisely guiding compressed air from the impeller to the intake manifold. In 114 CDI OM651 units, its correct geometry is crucial for stable boost pressure, efficient operation of the intake system, and maintaining the vehicle's proper dynamics. Using an original part from disassembly helps maintain factory flow parameters and reduces the risk of leaks.

Benefits of using an original housing

Choosing a used, original turbo compressor housing for the Mercedes W447 is a solution that combines controlled costs with the preservation of the design intended by the manufacturer. A component from the same engine family ensures:

• compatibility with the diesel engine's forced induction system,
• preservation of the correct shape of the intake channels,
• suitability for use in the turbocharger remanufacturing process,
• consistency with other components of the intake system.

As a result, the housing can be used both for repairing an existing turbocharger and for building a unit after a full remanufacture, while maintaining the operating parameters appropriate for a diesel engine.

Application in OM651 diesel engines

The OM651 diesel engines used in the Mercedes W447 require precisely selected forced induction system components. The turbo compressor housing works with the impeller, bearings, and lubrication system to create a sealed and efficient assembly. A properly selected part helps reduce power drops, excessive smoke, and unstable boost pressure, which translates into more predictable engine performance and correct torque characteristics.

Condition and service application

The element comes from disassembly, which allows it to be used as a base for repairing a turbocharger in Mercedes W447 family vehicles. This type of component is particularly useful in situations where only the compressor housing part has been damaged, while the remaining elements of the forced induction system are suitable for further operation or remanufacturing. Using an original housing helps reduce the risk of assembly and air connection fitment issues.

Support in selection and additional information

When selecting a turbo compressor housing for a specific Mercedes configuration, it is worth paying attention to compatibility with the diesel engine and the parameters of the forced induction system. In case of doubt, it is helpful to compare the design with the removed part or consult a mechanic specializing in turbochargers.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as turbine housings, mounting elements, or intake ducts, check the available parts in the Mercedes Turbochargers and parts category.

When deciding between choosing parts from disassembly versus cheaper replacements, it is also worth reading practical tips regarding the cost-effectiveness of such solutions – the following article may be helpful: The most popular repairs in Ford cars: why cheap replacements are a false economy and it is better to choose a used original?.