Audi A4 B9 Rear Wheel Arch Guard Liner Cover Right O/S 8W0810172K

Audi A4 B9 Rear Wheel Arch Guard Liner Cover Right O/S is an original body component from the Mudflaps group, designed for installation on the right side of the rear axle. It provides effective protection for the wheel arch and internal suspension components against water, mud, and minor mechanical damage, improving the durability and aesthetics of the bodywork.

Specifications and technical data

• SKU: 8W0810172K
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0810172K
• Substitutable numbers: 8W0810172K, 8W0 810 172 K
• Location on the vehicle: Rear, Right
• Part type: Splash Guard
• Category: Splash Guards & Mud Flaps

Purpose and vehicle placement

The presented wheel arch cover has been designed specifically for the rear right side of the vehicle, which guarantees a precise fit to the body geometry of the Audi A4 B9. Its placement in the rear part of the wheel arch effectively limits contact between water, road salt, and debris with structural elements and the suspension system.

Thanks to its dedicated shape, installation is straightforward, maintaining factory mounting points. This solution is particularly beneficial for post-accident repairs, replacing corroded parts, or restoring the vehicle to a factory-like condition.

Technical and functional characteristics

The wheel arch cover acts as a protective barrier between the wheel and the body structure. Its properly formed surface directs the flow of water and debris away from critical structural points, which reduces the risk of accelerated corrosion and mechanical damage.

Key advantages of this component include:

• dedicated fit for the rear right side of the Audi A4 B9,
• stable mounting at factory body points,
• protection of internal wheel arch components against dirt and stone chips,
• support for maintaining proper water drainage from the wheel area.

A wheel arch cover constructed in this way helps maintain the structural integrity of the body and promotes even aging of paint coatings in the rear wheel arch zone.

Original origin and condition of the part

The product comes from the Audi line, which ensures factory standards of workmanship, geometry, and material quality. Its original origin translates into predictable performance during operation and compatibility with other body components.

The wheel arch cover is offered as a used part, which is a cost-effective solution while maintaining the proper level of functionality. This type of salvaged part allows for economical vehicle repair, especially in the case of local wheel arch damage or replacement after a collision.

Application in repairs and upgrades

The rear right wheel arch cover is suitable both for standard replacement of a damaged part and for more extensive bodywork and paint repairs in the rear section of the vehicle. It is particularly useful for:

• post-collision repairs in the area of the rear right wheel,
• restoring factory anti-corrosion protection of the wheel arch,
• comprehensive renovation of the wheel arch zone in the Audi A4 B9.

Due to the preservation of the original geometry, the component works well with other body parts, which facilitates achieving even gaps and proper fitment after work is completed.

Complementing the Audi body protection zone

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

For more advanced upgrade work, including electronics and comfort systems, practical tips on using salvaged parts may be helpful – you can find them in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using salvaged parts?.