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 mounting component designed for the secure fastening of the spare wheel in the rear of the vehicle. Thanks to its precise fit to Audi's design solutions, it ensures stable wheel seating, reduces unwanted vibrations, and improves acoustic comfort inside the cabin. This is a practical solution for users who expect safe and durable spare wheel mounting in accordance with the manufacturer's standards.

Specifications and technical data

• SKU: 8K0803899-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0803899
• Substitutable numbers: 8K0803899, 8K0 803 899
• Location on the vehicle: Rear
• Part type: Spare Tyre Carrier
• Category: Spare Tyre Carriers & Covers

Purpose and function of the component

The presented spare wheel securing screw has been designed for Audi models from the A4 B8 and A5 8T Roadster families, where the spare wheel is located in the rear part of the body. Its task is to mechanically immobilize the spare wheel in its dedicated slot so that it does not shift during driving, braking, or traversing uneven surfaces. Using a dedicated securing screw allows you to:

• keep the spare wheel in a fixed position in the trunk or wheel well,
• reduce noise resulting from play and vibrations of components in the rear of the vehicle,
• maintain the factory layout of the luggage compartment,
• facilitate quick removal and installation of the spare wheel in emergency situations.

Design adapted to the Audi mounting system

The spare wheel securing screw works with the factory mounting system used by the Audi brand. This means that its geometry, working length, and thread pitch are adapted to the original wheel well and mounting points in the rear of the body. As a result, the component operates in a predictable manner, and the clamping forces are distributed according to the manufacturer's design assumptions. This solution is particularly important in vehicles where the spare wheel is an integral part of the trunk equipment – a properly selected securing screw allows for maintaining the functionality of the cargo space and ensures easy access to the wheel when needed.

Category: Spare wheel holders and covers

The described component belongs to the Spare wheel holders and covers group, which includes components responsible for organizing, securing, and stabilizing the spare wheel in the vehicle. This category includes, among others, various types of mounts, spacers, and accessories for organizing the space around the wheel. The use of a dedicated securing screw is crucial for maintaining the correct positioning of the wheel and minimizing the risk of damage resulting from its movement. 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, holders, or additional wheel security, check the available parts in the Audi spare wheel holders and covers category.

Condition, origin, and benefits of using a used part

The spare wheel securing screw comes from the original Audi mounting system and is offered as a used part. Such components, provided they maintain correct geometry and a functional thread, retain their performance properties for a long time. Choosing a used OEM component allows you to combine factory fitment with a cost-effective purchase, which is particularly important when restoring the completeness of trunk equipment or replacing missing elements after previous repairs. Using an original securing screw instead of universal solutions reduces the risk of improper wheel pressure, installation problems, and potential thread damage in the body. It is a practical choice for users who want to maintain consistency with the vehicle's factory specifications.

Practical installation and operating tips

When installing the spare wheel securing screw, it is worth paying attention to:

• cleaning the contact surface of the wheel and the base in the trunk well,
• checking the condition of the thread in the body and on the screw itself,
• tightening the component with care so that the wheel is stable but without excessive stress on the thread,
• periodically checking the spare wheel mounting, especially after driving on roads with poor surfaces. This approach allows you to maintain a stable and safe spare wheel mounting, while also facilitating subsequent removal if it becomes necessary to change a wheel on the road. For drivers interested in a broader perspective on the selection of consumables in a car, including used components, an article discussing the drivetrain and part selection may be helpful – details can be found in the material "Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts".