BMW G20 G21 G22 G23 G28 Front Wheel Hub Bearing Housing Left N/S 6878609

Front Left Wheel Hub with Bearing for BMW G20 / G21 / G22 / G23 / G28 is an original part from the Wheel Hubs, Bearings, and Bushings group, designed for installation on the front axle on the driver's side. This used OEM part ensures a factory fit, correct mounting geometry, and stable vehicle handling in everyday use.

Specifications and technical data

• SKU: 6878609
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6878609
• Substitutable numbers: 6878609, 31206878609
• Location on the vehicle: Front, Left
• Part type: Wheel Hub & Bearing Assembly
• Category: Wheel Bearings, Hubs & Seals

Application and Function in the Drivetrain

The hub with bearing mounted on the front left side is responsible for transferring loads from the wheel to the suspension and for precise wheel rim guidance relative to the steering knuckle. A properly selected component in this position is crucial for:

• driving stability at higher speeds,
• even tire wear,
• reducing play and vibrations in the steering system,
• proper functioning of safety systems (ABS, traction control – depending on vehicle equipment).

The original design dedicated to the BMW G20, G21, G22, G23, and G28 series allows for maintaining the parameters specified by the vehicle manufacturer, without the need for mounting modifications.

Benefits of Using the Original Front Left Hub

Using a factory wheel hub on the front axle brings tangible operational benefits. The component has been specifically designed for the loads and suspension geometry of these BMW generations, which translates to:

• confident vehicle handling during braking and cornering,
• reduced risk of noises resulting from improper bearing operation,
• correct fitment with the brake disc and other suspension components,
• easier installation due to preserved original mounting points.

A used OEM part offers a sensible compromise between cost and maintaining near-factory parameters, especially when repairing a single side of the suspension.

Part Selection by OEM Number and Compatibility

The hub belongs to the Wheel Hubs, Bearings, and Bushings group, so matching it to the specific body version and drivetrain is key. It is recommended to compare the OEM number and interchangeable numbers with the vehicle's documentation or the existing part to avoid installation issues and improper drivetrain operation.

If you want to streamline the selection process and learn how to effectively use the OEM number when purchasing, a practical guide will be helpful: How to Select the Right Car Part by VIN and OEM Number. There you will find a step-by-step procedure and a list of questions to ask the seller.

Used Condition – Informed Choice and Quality Verification

The presented wheel hub is in used condition, which allows for a significant reduction in repair costs while maintaining the original manufacturer's specifications. Such components typically come from dismantled vehicles where the drivetrain was not damaged, and their reuse is a popular and rational service practice.

If you have doubts about the durability and safety of used components, it is worth reading the article Used Car Parts: Myths and Facts You Need to Know, which clearly explains when choosing a used part is technically justified.

BMW Drivetrain Expansion and Repair

If you are planning a comprehensive repair or upgrade of the suspension and drivetrain area in your BMW and need other parts from the same group, such as additional hubs, bearings, or bushings, check the available parts in the BMW Wheel Hubs, Bearings, and Bushings category.