BMW X3 G01 Rear Axle Wheel Hub Bearing Carrier Left N/S 6871027

BMW X3 G01 Wheel Hub Knuckle Wheel Hub Wheel Mount Left Rear is an original drivetrain component from the Wheel Bearings, Hubs, and Bushings group, designed for the rear left axle of this model. The precise geometry of the knuckle ensures stable wheel guidance, proper suspension operation, and safe load transfer during driving. This is a solution for users looking for a proven, used component with factory performance characteristics.

Specifications and technical data

• SKU: 6871027-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6871027
• Substitutable numbers: 6871027, 33306871027, 6870981, 33306870981
• Weight: 150
• Location on the vehicle: Rear, Left
• Part type: Wheel Hub & Bearing Assembly
• Category: Wheel Bearings, Hubs & Seals

Purpose and Function in the Drivetrain

The knuckle with the hub and wheel mount is responsible for the stable seating of the wheel on the rear left side of the vehicle and for maintaining the correct suspension geometry. This component is a key link between the control arms, shock absorber, wheel bearing, and the wheel itself, influencing:

• maintaining the correct wheel camber and toe angles,
• even load transfer to the body,
• precise vehicle handling in corners,
• stability during braking and acceleration.

By retaining its original design, the knuckle allows for the restoration of the BMW X3 G01's original driving characteristics after mechanical damage or wear of suspension components.

Construction and Performance Parameters

The presented element combines the knuckle, hub, and wheel mount into a single unit, which facilitates integration with the factory BMW suspension. The construction is prepared for cooperation with standard rear axle components such as control arms, bearings, and mounting elements. The appropriately selected mass of the component contributes to maintaining proper rigidity and durability during daily operation.

Its placement on the vehicle limits the risk of selection errors – the part is specifically designed for the rear left side, which is important for correct installation and subsequent geometry adjustment.

Condition, Origin, and Benefits of Choosing a Used Part

The knuckle comes from the BMW offering and is classified as a used part, allowing for an attractive purchase price while maintaining the original manufacturer's specifications. Choosing such a component is particularly beneficial for accident repairs or when replacing damaged suspension elements, especially when you want to preserve the car's factory handling characteristics.

A used drivetrain component also represents a real contribution to reducing resource consumption – the reuse of functional parts reduces the environmental footprint of repairs, while maintaining a high level of safety, provided proper installation and subsequent geometry checks are performed.

Selection, Installation, and Technical Aspects

To ensure proper drivetrain operation, the knuckle should be installed by a workshop equipped with the appropriate tools for working with suspension and wheel systems. After installation, it is recommended to perform a geometry measurement and adjustment, which will allow for the full utilization of the part's potential and avoid uneven tire wear.

Technical product parameters, such as manufacturer markings, interchangeable numbers, or dedicated vehicle placement, are helpful in the selection process. These allow you to verify compatibility with a specific BMW X3 G01 version and avoid installation problems.

System Extension and Additional Information

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

If you have doubts regarding the selection of a used suspension component, it is worth expanding your knowledge about the real advantages and limitations of such solutions – practical information can be found in the article Used Car Parts: Myths and Facts You Need to Know, which helps you approach the purchase and operation of aftermarket parts consciously.