Mercedes W166 OM651 Diesel Turbocharger Turbo Charger A6510907080

The Mercedes W166 OM651 Diesel Turbo Air Compressor is an original turbocharger from the Turbochargers & Parts category, designed for the OM651 diesel engines in the W166 series models. This component is disassembled, allowing for a cost-effective yet technically correct repair of the supercharging system in Mercedes vehicles.

Specifications and technical data

• SKU: A6510907080
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510907080
• Substitutable numbers: A6510907080, A 651 090 70 80
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and technical characteristics

This turbocharger is designed to work with the OM651 diesel engine used in Mercedes-Benz W166 SUVs. Its front-end location ensures easier service access and proper integration with the intake and exhaust systems.

As part of the turbocharger and parts group, the component is responsible for compressing the air drawn into the engine, which translates into higher efficiency of the drive unit, better response to gas and stable operating parameters in the full load range typical of diesel engines.

Benefits of using an original turbocharger

Using an original turbocharger in a Mercedes W166 with an OM651 engine allows the engine to maintain its factory operating parameters. Key advantages include:

• Full design compatibility with the intake and exhaust system intended for the OM651 engine.
• Stable boost pressure, supporting smooth operation of the diesel engine under various load conditions.
• Optimal cooperation with the control electronics, which reduces the risk of errors in the engine controller and emergency mode.
• Proper mounting fit to the factory mounting points at the front of the vehicle.

By maintaining the original specification, the turbocharger supports the correct combustion of the mixture in the diesel engine, which is important for both performance and exhaust emissions.

Condition of the used part and assembly aspects

The turbocharger offered is a used component, which allows for a lower repair cost compared to a new part while maintaining proper functionality. This type of component is particularly attractive for operational repairs, where the priority is to restore the turbocharger's efficiency within a reasonable budget.

Before installation, a standard service procedure is recommended, including inspection of the lubrication system, oil and intake lines, and connection tightness. Proper installation and initial startup after turbocharger replacement are crucial to its continued durability in the diesel engine.

Application in OM651 diesel engines

The OM651 engine is a popular Mercedes diesel engine in which the turbocharger plays a central role in generating torque and combustion efficiency. A properly selected turbocharger:

• Supports the dynamic acceleration of the heavier body of the W166 series SUV.
• Maintains the appropriate boost level during highway driving and under load.
• Helps reduce fuel consumption by improving air filling of the cylinders.

Selecting a part compatible with the OM651 unit is crucial to avoiding mechanical and electronic compatibility problems, so it is worth using components from the same design family.

Substantive support and additional materials

Before installing a used turbocharger in a Mercedes diesel, it's worth familiarizing yourself with best practices for preparing the car for intensive use in harsh conditions. The guide: Winter Essentials: Which Used Car Parts Should Be Checked and Replaced Before Freezing Temperatures? may be helpful, as it provides checklists and tips for inspecting key components.

Other turbochargers for Mercedes

If you are also looking for other turbochargers for vehicles of this brand, check out our category of turbochargers and parts for Mercedes , where you will find a wide selection of components adapted to various models and engine versions.