Audi A4 B7 Wheel Arch Rear Right O/S Liner Splash Guard Lining 8E0810172C

The Audi A4 B7 Rear Right Wheel Arch Liner is a factory-original wheel arch cover designed for the rear right side of the body, specifically for Audi models. This component effectively separates the wheel from the body structure, contributing to the protection of the underbody, sills, and wheel well from dirt and external elements.

Specifications and technical data

• SKU: 8E0810172C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0810172C
• Substitutable numbers: 8E0810172C, 8E0 810 172 C
• Location on the vehicle: Rear, Right
• Category: Splash Guards & Mud Flaps

Purpose and Function of the Wheel Arch Liner

The Audi A4 B7 Rear Right Wheel Arch Liner is a body component installed on the rear right side of the vehicle. Its purpose is to create a barrier between the tire and the body structure, which limits:

• the accumulation of mud, salt, and water within the wheel well,
• the contact of stones and small debris with the body panels,
• accelerated corrosion in the rear wheel arch area.

As a result, the liner helps maintain stable operating conditions in the rear suspension area and improves the long-term corrosion resistance of the body.

Construction and Body Fitment

The wheel arch liner has been designed for the specific geometry of the rear right side of the Audi A4 B7, ensuring a precise fit to the body edges and mounting points. The construction is profiled to:

• match the shape of the wheel well in the sedan/avant version of this model,
• provide adequate clearance for the tire and suspension travel,
• allow for proper drainage of water and mud from inside the wheel arch.

This precise fit minimizes the risk of tire rubbing and reduces the formation of areas where dirt can accumulate.

Characteristics of a Used Part

The offered wheel arch liner is a used part, meaning it has been previously installed and operated on a vehicle. This type of component is a good choice for accident repairs or when replacing a damaged wheel arch liner, where maintaining original geometry and compatibility with factory mounting points is a priority.

In practice, using an original, used wheel arch liner allows for:

• maintaining conformity with the factory body structure,
• reducing repair costs compared to a new part,
• avoiding fitment issues common with many aftermarket replacements.

Benefits of Installation on the Rear Right Side of the Vehicle

Installing the wheel arch liner on the rear right side of the Audi A4 B7 is important for both operational and maintenance reasons. A correctly fitted liner:

• stabilizes airflow and debris within the wheel area,
• facilitates cleanliness in the wheel arch and suspension component area,
• reduces the splashing of water and mud onto the inner body surfaces.

This provides better protection for the wheel well, and makes it easier to inspect the condition of the bodywork and components in this area during service checks.

Expanding Body Protection – Audi Mud Flaps

If you are planning a comprehensive repair or upgrade of the wheel arch and sill areas on your Audi and need other parts from the same group, such as additional covers, protective profiles, or debris splash reduction elements, check the available parts in the Audi Mud Flaps category.

To better plan repairs within the drivetrain system and understand the advantages of using original, used components, it is worth reading the guide: Whining Differential? Find Out Why a Used OEM Differential is a Better Investment Than an Uncertain Aftermarket Replacement.