Audi A4 B9 Wheel Arch Rear Right O/S Housing Cover Splash Guard 8W0810172G

Audi A4 B9 Wheel Arch Rear Right O/S Housing Cover Splash Guard is an original body component from the Mud Flaps group, designed for installation in the rear right section of the vehicle. It provides effective protection for the wheel arch against water, mud, and minor mechanical damage, supporting the durability of the bodywork and suspension components. This is a practical solution for users who expect solid, factory-grade geometry and a precise fit.

Specifications and technical data

• SKU: 8W0810172G
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0810172G
• Substitutable numbers: 8W0810172G, 8W0 810 172 G
• Location on the vehicle: Rear, Right
• Category: Splash Guards & Mud Flaps

Purpose and function of the wheel arch

The presented wheel cover has been designed specifically for the rear right section of the Audi A4 B9 generation body. Its task is to limit the ingress of dirt, moisture, and small stones into the wheel arch and the area around the suspension components. As a result, the wheel arch helps reduce the risk of accelerated corrosion and mechanical damage in this area.

A component from this construction group is particularly important in daily vehicle operation, especially when driving in the rain, on unpaved roads, or during winter. Stable mounting and a tailored shape translate into the proper performance of the wheel arch without unwanted vibrations or noise.

Construction and fit for Audi A4 B9

The wheel arch has been manufactured as a part consistent with Audi's factory geometry, which facilitates installation at the original mounting points. The shape of the cover is matched to the profile of the rear bumper, fender, and wheel arch, which allows for maintaining proper guidance of water and mud flow while driving.

With proper installation, you achieve:

• a consistent connection with other body components in the rear part of the vehicle,
• protection of the inner fender surfaces against dirt,
• better protection of cables, mounts, and suspension components in the wheel zone.

Characteristics of the used component

The offered wheel cover is a used component, which in practice means it may show signs of normal wear and tear that do not affect its protective function. This type of part is a good choice for users who want to restore full body functionality while maintaining a reasonable cost level.

Factory origin and construction promote proper fitment with the body, which is particularly important for components mounted in the immediate vicinity of the wheel, exposed to constant contact with water and contaminants.

Benefits of installing the rear right wheel arch

Replacing or supplementing a missing wheel cover in an Audi A4 B9 brings measurable operational benefits. The most important include:

• Anti-corrosion protection – limiting contact of moisture and mud with metal surfaces within the wheel arch.
• Better protection of suspension components – reducing the risk of mechanical damage from small stones and debris.
• Keeping the wheel arch clean – easier washing and servicing of the rear right wheel area.
• Visual consistency of the body – complete wheel arches influence the aesthetics and perceived care for the vehicle.

Expanding wheel zone protection in Audi

If you are planning a comprehensive repair or upgrade of the wheel and arch zone in your Audi and need other elements from the same group, such as additional covers, extensions, or supplementary mud panels, check the available parts in the Audi Mud Flaps category.

Additional information for users choosing used parts

When selecting used body components, it is worth paying attention to structural compatibility, the condition of the mounts, and the general state of the working surfaces. A well-chosen wheel arch allows you to avoid installation problems and ensures proper performance in the long term.

If you want to better prepare for purchasing used body components and avoid common mistakes when completing parts for upgrades or tuning, an article describing the most common pitfalls when choosing such parts may be helpful – you can find it here: Buying used car parts • Most common mistakes when choosing tuning parts.