Audi TT Mk1 8N Wheel Arch Rear Right O/S Liner Splash Guard Covering 8N0810172A

Audi TT Mk1 8N Wheel Arch Rear Right O/S Liner Splash Guard Covering is an original body component from the Mud Flaps group, designed for installation in the rear right wheel arch area. Specifically engineered for the first-generation Audi TT models, it ensures a precise fit, stable mounting, and effective protection of the wheel arch and suspension components against dirt and moisture.

Specifications and technical data

• SKU: 8N0810172A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8N0810172A
• Substitutable numbers: 8N0810172A, 8N0 810 172 A
• Location on the vehicle: Rear, Right
• Part type: Splash Guard
• Category: Splash Guards & Mud Flaps

Purpose and function of the wheel arch liner

The rear right wheel arch liner in the Audi TT Mk1 8N is responsible for covering the inner part of the bodywork in the wheel area, limiting the contact of structural elements with water, mud, road salt, and small stones. As a result, it:

• reduces the risk of accelerated corrosion of sheet metal and mounting points,
• protects cables, wiring harnesses, and suspension components from dirt,
• stabilizes airflow within the wheel arch, which influences suspension performance,
• reduces noise generated by the wheel when driving on wet or unpaved surfaces.

The dedicated wheel arch liner for Audi ensures proper geometry and shape, which translates into secure mounting and no tire interference during full suspension compression.

Original origin and fitment for Audi

This component comes from the Audi line, which means it maintains factory geometry, mounting points, and compatibility with the TT Mk1 8N body structure. The original wheel arch liner:

• is designed for the specific body shape of the Audi TT,
• fits factory mounting holes without the need for modifications,
• maintains visual and technical consistency with other body components.

Thanks to this, the installation process is predictable, and once installed, the wheel arch liner performs according to the vehicle manufacturer's specifications.

Performance characteristics and installation

The rear right wheel arch liner is structurally prepared to operate in demanding road conditions. Its form and profiling ensure:

• proper drainage of water and debris from the wheel arch space,
• maintenance of clearance between the tire and the liner throughout the full range of suspension travel,
• the ability to remove and reinstall it during service work on the suspension or bodywork.

The product is in used condition, which allows for an economical replacement of a damaged or missing wheel arch liner while maintaining the vehicle's original specifications.

Practical application and benefits of replacement

Replacing a damaged or corroded wheel arch liner with a functional component from the Mud Flaps group brings measurable operational benefits:

• better protection of paint and wheel arch edges against stone chips,
• reduction of mud and moisture accumulation in body recesses,
• a more organized workspace during brake and suspension service,
• maintenance of the factory anti-corrosion protection standard in the rear of the vehicle.

This is particularly important in sports cars like the Audi TT, which are often driven dynamically and exposed to intense external factors.

Expanding Audi TT body protection

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

More practical information on how to consciously choose used body parts and what to look for during their installation can be found in the article Replacing body parts with used ones – can salvaged body parts look like new?.