Audi A8 S8 D3 Spare Wheel Securing Bolt Screw 4E0803899

Audi A8 S8 D3 Spare Wheel Securing Bolt Screw is an original mounting component designed for the safe and stable securing of the spare wheel in the trunk. Thanks to its factory origin from the Audi brand, it ensures a proper fit to the body structure and holds the wheel securely while driving. This is a practical solution for users who want to maintain the functionality of the luggage compartment and avoid unwanted vibrations or noise.

Specifications and technical data

• SKU: 4E0803899K-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0803899K
• Substitutable numbers: 4E0803899K, 4E0 803 899 K, 4E0803899, 4E0 803 899
• Part type: Trim Strip
• Category: Trim

Purpose and function of the spare wheel securing bolt

The spare wheel securing bolt in Audi A8 and S8 D3 generation models is responsible for stably immobilizing the wheel in a specially prepared trunk socket. A correctly selected mounting component:

• prevents the wheel from moving while driving,
• reduces the occurrence of unwanted noises in the cabin,
• protects the trunk upholstery from mechanical damage,
• facilitates quick removal of the spare wheel in case of a tire failure. The original design of the bolt is adapted to the geometry of the spare wheel well in the Audi A8/S8 D3, which translates into secure seating and convenient service handling.

Original origin and fitment for Audi

The presented bolt comes from the Audi OE line, which means it maintains factory manufacturing standards and compatibility. The component was designed specifically for the A8/S8 D3 platform, ensuring that it:

• fits the factory spare wheel mounting socket,
• provides the correct length and clamping range,
• is compatible with the original trunk organization system. This type of original solution is particularly beneficial for post-accident repairs, completing missing parts after disassembly, or restoring the vehicle to a factory-like condition.

Characteristics of the used component

The bolt is offered as a used part, sourced from disassembly, which allows for combining an attractive purchase price with the preservation of the manufacturer's original specifications. In practice, this means:

• factory fitment for the Audi A8/S8 D3,
• preservation of the spare wheel securing function,
• the possibility of an economical repair or replacement of a missing part. For many users, this is a reasonable compromise between quality and cost, especially in the case of mounting components that are not subject to intense operational wear like moving parts.

Application in service practice

The spare wheel securing bolt will prove useful both in daily operation and in professional workshops specializing in servicing high-end Audi models. The component is particularly useful when:

• the original bolt is missing after a previous removal of the spare wheel,
• it is necessary to complete the trunk equipment after bodywork repairs,
• the full set of vehicle equipment is being restored before sale. By using an original component, you can maintain the structural integrity of the vehicle and avoid problems with ill-fitting replacements.

Related components and technical advice

If you are planning a comprehensive repair or upgrade of the trunk area in your Audi and need other elements from the same group, such as covers, trims, or additional moldings, check the available parts in the Audi linings, decorative trims, and decorations category. When completing vehicle equipment from the secondary market, it is worth paying attention to the quality of used components and their compatibility with a specific model version. For fuel system components, a guide on the safe selection of parts from disassembly may be helpful – you can find detailed tips in the article Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?.