Audi A4 B8 A5 8T Roadster Spare Wheel Securing Screw Lock 8K0803899

Audi A4 B8 A5 8T Roadster Spare Wheel Securing Screw Lock is an original component designed for the stable mounting of a spare wheel in the vehicle's trunk. Thanks to its precise design, it ensures the rim is firmly pressed against the trunk floor, which reduces vibrations and noise while driving. This practical solution improves the comfort of using the car and increases the safety of the transported equipment.

Specifications and technical data

• SKU: 8K0803899-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0803899
• Substitutable numbers: 8K0803899, 8K0 803 899
• Location on the vehicle: Rear
• Category: Other Interior Parts & Accessories

Purpose and function in the vehicle

The presented spare wheel securing screw is designed for installation in the rear part of the car, in the trunk area. Its purpose is to:

• keep the spare wheel in a fixed position while driving,
• limit unwanted wheel movement during sudden braking or when driving over bumps,
• protect the trunk upholstery from damage caused by the wheel shifting. A properly selected locking screw is particularly important in vehicles used on long journeys, where stable equipment mounting has a direct impact on acoustic comfort and the durability of interior components.

Benefits of using the original locking screw

Using the original spare wheel locking screw in Audi A4 B8 and A5 8T models allows you to maintain the manufacturer's factory design solutions. Key advantages include:

• secure fit to the factory socket in the trunk floor,
• appropriate length and thread geometry, ensuring proper wheel pressure,
• compatibility with the original trunk insert and accompanying equipment,
• stable mounting without the need for additional adapters. As a result, installation is efficient, and the entire mounting system maintains the parameters specified by the vehicle manufacturer.

Operational characteristics and installation

The spare wheel securing screw is a component with a simple yet well-thought-out design, allowing for quick installation and removal of the wheel in road conditions. In practice, this means:

• intuitive operation when changing a wheel on the roadside or in a workshop,
• the ability to tighten repeatedly without losing thread functionality,
• maintaining proper mounting rigidity even after a long period of use. The mounting zone in the rear of the vehicle means the component is exposed to typical operational loads, which is why choosing an original screw is beneficial for the durability of the entire spare wheel mounting system.

Condition and origin of the component

The offered screw comes from disassembly and is a used product, which allows for combining a reasonable purchase cost with maintaining the original manufacturer's specifications. For many users, this is a practical compromise between quality and budget, especially in the case of components mounted in the trunk that are not directly visually exposed. Choosing an original used component is often preferred by those who care about the consistency of technical solutions in the car and maintaining the vehicle's factory character. If you are planning a comprehensive repair or upgrade of the luggage area in your Audi and need other elements from the same group, such as mounts, brackets, or small mounting accessories, check out the available parts in the Other Audi category. For drivers interested in comparing technical solutions used in different versions of the brand's models, including sports variants, an article discussing differences in engine, brake, and chassis construction may be helpful – details can be found in the post Audi RS vs other models – what is hidden under the hood and chassis?. If you are considering whether it is better to choose a refurbished part or an original used one for repairs and equipment replenishment, it is worth reading the practical tips described in the article Refurbished or original used – which part to choose for repairs?, which will facilitate making an informed purchasing decision.