Audi RS5 A5 F5 Rear Wheel Arch Liner Housing Left N/S 8W6810171B

Audi RS5 A5 F5 Rear Wheel Arch Liner Housing Left N/S is an original body component from the Mudflaps group, designed for installation in the rear left section of the vehicle. It provides effective protection for the wheel arch against dirt, water, and minor mechanical damage, supporting the durability of suspension components and the aesthetics of the bodywork. It is a practical solution for users who expect a solid fit and stable mounting.

Specifications and technical data

• SKU: 8W6810171B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W6810171B
• Substitutable numbers: 8W6810171B, 8W6 810 171 B
• Location on the vehicle: Rear, Left
• Category: Splash Guards & Mud Flaps

Purpose and function of the component

The rear left wheel arch liner in Audi RS5 / A5 F5 models is responsible for shielding the inner part of the wheel arch from water, mud, road salt, and small stones. This reduces the risk of accelerated corrosion of metal components and protects cables, mounts, and suspension elements operating in this area. Its placement in the rear left part of the vehicle allows for precise alignment with the factory body geometry, which translates into stable mounting and the absence of unwanted vibrations while driving.

Original origin and fitment

The product comes from the Audi line, which means it maintains factory design and assembly standards. The original construction ensures:

• compatibility with factory mounting points in the rear left wheel arch,
• consistency with other covers and body components,
• proper routing of debris and water away from critical chassis zones.

Thanks to this, the wheel arch liner is the right choice for both post-accident repairs and for replacing worn or damaged protective elements in the rear axle zone.

Performance characteristics and installation

As an element from the Mudflaps category, the rear left wheel arch liner operates in harsh conditions – it is exposed to constant contact with water, mud, and minor impacts. The design provided by the manufacturer allows for:

• maintaining proper rigidity while dampening minor impacts,
• easy removal and reinstallation during service work on the suspension or brakes,
• maintaining the proper distance from the tire, which minimizes the risk of rubbing.

The item is used, which in practice means it has already been in service, but it can still perform its protective function in the vehicle, making it a reasonable choice for budget repairs or restoring a car to working order after mechanical damage.

Application in service practice

Replacing the rear left wheel arch liner is recommended in situations where the existing element is cracked, deformed, or missing mounting fragments. A correctly selected liner:

• limits the ingress of contaminants into the wheel arch,
• supports cleanliness in the area of the shock absorber, spring, and cables,
• allows for maintaining an aesthetic appearance of the wheel well, which is important during technical inspections and potential vehicle resale.

For workshops and individual users, this is a practical component that facilitates maintaining the proper technical condition of the rear part of the wheel arch without the need to reach for expensive, new parts.

If you are planning a comprehensive repair or upgrade of the wheel arch protection zone in your Audi and need other elements from the same group, such as covers, mudflaps, or additional protective panels, check the available parts in the Audi Mudflaps category.

Additional information and tips

When selecting used body components for an Audi, it is worth paying attention to structural compatibility as well as the actual visual and technical condition of the part. Properly selected components allow for significantly reducing repair costs while maintaining functionality and correct assembly. If you want to learn more about how to effectively use used components in cars of this brand, check out the article Audi on second-hand parts – tuning and repairs without losing quality, where we discuss a practical approach to repairs and modifications using proven elements from the secondary market.