Audi RS4 8K B8 Wheel Housing Arch Liner Splash Guard Rear Left N/S 8K0810171D

Audi RS4 8K B8 Wheel Housing Arch Liner Splash Guard Rear Left N/S is a precisely fitted wheel arch cover, designed specifically for the demanding construction of a sports suspension. This item from the Mud Flaps category effectively limits dirt and water spray, supporting the protection of the bodywork and suspension components during daily use.

Specifications and technical data

• SKU: 8K0810171D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0810171D
• Substitutable numbers: 8K0810171D, 8K0 810 171 D
• Location on the vehicle: Rear, Left
• Category: Splash Guards & Mud Flaps

Purpose and fitment

The presented wheel arch cover has been prepared for installation in the rear left part of the vehicle, making it fit perfectly into the body geometry of the RS version. The construction of the wheel arch liner is profiled for factory mounting points, which facilitates installation and ensures a stable fit without the need for modifications.

The element is consistent with the manufacturer's factory specifications, which translates into proper wheel guidance, no collision with the tire, and correct drainage of contaminants from the wheel well.

Protective function and operation

The wheel arch liner plays a key role in protecting the rear part of the bodywork against:

• intense spray of water, mud, and road salt,
• impacts of small stones on body panels and suspension components,
• accumulation of dirt in hard-to-reach spaces.

Thanks to this, it reduces the risk of accelerated corrosion and wear of mechanical elements in the wheel area. A stable wheel arch cover also helps keep the area around the sills and bumper clean, which is important for both utility and aesthetic reasons.

Characteristics of the used part

The offered component is a used part, sourced from dismantling, which represents a reasonable compromise between cost and maintaining the original specification. This type of solution is often chosen for post-accident repairs or spot body restoration when the priority is to maintain factory fit and construction.

Original origin promotes proper cooperation with other wheel arch housing elements, such as mounts, clips, or adjacent covers, which facilitates installation and subsequent service maintenance.

Benefits of using a dedicated wheel arch liner

Replacing a damaged or missing wheel well cover with the correct model brings a number of practical benefits:

• Better body protection – limiting the contact of sheet metal with water and contaminants.
• Support for suspension durability – less exposure of mechanical elements to salt and dirt.
• Controlled drainage of water and mud from the wheel area.
• Aesthetic finish of the wheel well, consistent with the rest of the bodywork.

For users who value the technical consistency of the vehicle, it is important that the dedicated rear left wheel arch liner helps maintain the factory character of the construction, without compromises in terms of fitment.

Extending 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, mud flaps, or supplementary protective panels, check the available parts in the Audi Mud Flaps category.

For drivers interested in a broader perspective on the selection of used OEM elements, installation, and the impact of components on handling characteristics, an article describing the comparison of turbochargers in sports versions of Mini may be helpful – you can find it here: Go-Kart Feeling XXL – used N18 turbocharger versus B48 in Mini Cooper S.