Turbocharger Actuator Mercedes W204 W212 OM651 Turbo Vacuum Box A6510900166

The Mercedes W204 OM651 Diesel Turbocharger Bulb Valve is an original turbocharger and parts component designed for the turbocharging system in OM651 diesel engines. This used, factory bulb ensures proper turbine operation, stabilizing boost pressure and supporting proper engine dynamics.

Specifications and technical data

• SKU: A6510900166
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510900166
• Substitutable numbers: A6510900166, A 651 090 01 66
• Category: Turbos & Parts

Purpose and function in the supercharging system

The turbocharger bulb valve is responsible for precisely controlling the turbine geometry or wastegate in the OM651 engine of the Mercedes W204 diesel model. A properly functioning component:

• stabilizes the boost pressure over the full rpm range,
• reduces the risk of turbine overloading,
• supports an even, predictable response to gas,
• indirectly affects fuel consumption and engine performance.

Thanks to the use of an original component from the Mercedes group, compliance with the factory control parameters and operating characteristics of the drive unit is maintained.

Construction, fitting and assembly

The turbocharger bulb in this offer comes from a disassembled source and is an OEM component, designed specifically to work with the turbocharger used in the Mercedes W204 with the OM651 diesel engine. This means:

• factory mounting points matched to the turbine body,
• compatibility with the original vacuum or electronic control system (depending on the specific vehicle configuration),
• no need for structural modifications during assembly.

A properly selected bulb facilitates service, shortens repair time and minimizes the risk of adaptation problems in the engine control unit.

Technical condition and benefits of choosing a used part

The offered component is in used condition, which in practice means it comes from a used vehicle, but retains the functionality required for continued operation in the supercharging system. Choosing an original, used turbocharger bulb means:

• the ability to maintain factory quality at a lower cost than a new replacement,
• better fit to a specific model than many universal parts,
• reducing the risk of compatibility problems and errors in the engine controller.

Before installation, it is recommended to standardly verify the tightness of the control system and the correct adjustment of the linkage, in accordance with the service procedure for the given engine.

Why is it worth choosing original used Mercedes components?

When it comes to the turbocharging system, it's particularly important to use components of proven quality and proper performance. The original turbocharger bulb from the disassembly ensures the integrity of the entire system, which translates into:

• more predictable engine performance,
• lower risk of turbine failure resulting from incorrect control,
• easier diagnosis in case of any faults.

If you are also looking for other components from the turbochargers and parts category for Mercedes, check out our offer for turbochargers and parts for Mercedes , where you will find a wide selection of compatible components for various models.

More about used Mercedes parts

When selecting used supercharger components, it's worth knowing the specifics of original, used components and their advantages over cheap alternatives. To better understand how to safely use such solutions in Mercedes-Benz cars, check out the article " Used Mercedes Parts – Original, Used Parts ," which describes the practical aspects of operating and servicing Mercedes-Benz cars using original, used components.