BMW G20 G21 Rear Right O/S Wheel Hub Stub Axle 6898480

BMW G20 G21 Rear Right O/S Wheel Hub Stub Axle is an original component from the Axle housings and parts group, designed for the rear right suspension corner in 3 Series G20/G21 models. This used, factory-spec wheel hub and stub axle ensures proper suspension geometry, stable wheel tracking, and correct integration with the braking and drivetrain systems.

Specifications and technical data

• SKU: 6898480
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6898480
• Substitutable numbers: 6898480, 33306898480, 6878622, 33306878622
• Location on the vehicle: Rear, Right
• Category: Axle Housings & Parts

Purpose and function in the BMW G20/G21 suspension

The rear right wheel hub and stub axle in the BMW 3 Series G20/G21 is a critical load-bearing component in the multi-link rear suspension. It is responsible for:

• precise wheel guidance relative to the body,
• maintaining specified geometry (toe, camber),
• stable seating of the wheel hub and wheel bearing,
• secure mounting of the brake caliper and brake disc,
• proper transfer of loads from the control arms and shock absorber.

Thanks to a design consistent with BMW factory standards, the rear right wheel stub axle allows for the restoration of original driving characteristics following a collision, mechanical damage, or excessive wear of the component.

Construction and installation fitment

The element is designed as a carrier for the hub, bearing, and mounting points for control arms, the shock absorber, and brake components. The design of the stub axle ensures:

• factory mounting points for control arms and the shock absorber,
• integrated housings for brake system components,
• appropriate space for safety system sensors (e.g., ABS – without specifying particular equipment),
• geometry compliant with G20/G21 platform requirements.

As an original BMW component from the Axle housings and parts group, the hub and stub axle are structurally matched to stock suspension solutions, which facilitates installation and reduces the risk of alignment issues.

Vehicle placement and service application

The presented element is intended exclusively for the rear right side, which is important when selecting parts after damage resulting from curb impacts, side collisions, or operational wear. Replacing the hub and stub axle is particularly recommended when experiencing:

• rear axle geometry parameters that are difficult to adjust,
• uneven tire wear on one side,
• play or disturbing noises in the area of the rear right wheel,
• visible deformations or cracks in the stub axle body.

Using an OEM component allows for cost-effective repair while maintaining the factory design and compatibility with other suspension sub-assemblies.

Characteristics of the used part and benefits of choosing OEM

A used hub and stub axle is a solution that combines controlled repair costs with the preservation of the manufacturer's original specifications. Compared to low-budget replacements, the original axle housing ensures:

• material and dimensional compliance with the BMW design,
• proper fitment with stock control arms and shock absorbers,
• stable wheel tracking at higher speeds,
• lower risk of assembly and geometry adjustment problems.

If you are considering whether it is better to refurbish or install a used OEM component, it is worth checking out the practical tips in the article Refurbished or used original – which part to choose for repairs?, which discusses the differences between these solutions using examples of popular BMW sub-assemblies.

Comprehensive BMW rear axle service

If you are planning a comprehensive repair or upgrade of the rear axle area in your BMW and need other elements from the same group, such as stub axles, hubs, or mounting brackets, check out the available parts in the BMW Axle housings and parts category.

By using original components from this group, you can effectively restore the driving characteristics, stability, and predictable behavior of the car in corners, which has a direct impact on safety and comfort during daily use.