Audi A4 S4 B7 Rear Seat Belt Seatbelt Centre Middle Grey 8E5857807K

Audi A4 S4 B7 Rear Seat Belt Seatbelt Centre Middle Grey is an original component from the Seat belts and parts group, designed for installation in the rear, middle seating position. It ensures stable passenger restraint and consistent color matching with the factory Audi interior, facilitating professional repairs or equipment completion.

Specifications and technical data

• SKU: 8E5857807K
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E5857807K
• Substitutable numbers: 8E5857807K, 8E5 857 807 K, 8E5 857 807 K 49C, 8E5857807K49C, 8E5 857 807 AD 49C, 8E5857807AD49C
• Location on the vehicle: Rear
• Part type: Seat Belt
• Category: Seat Belts & Parts

Purpose and function of the rear middle seat belt

The presented seat belt has been designed specifically for the rear, middle part of the cabin, where secure and reliable passenger body restraint is required during travel. The component's construction is adapted to the factory mounting points in the B7 generation Audi A4/S4 body, which allows for maintaining the correct belt routing geometry and proper alignment relative to the seat and backrest. The grey finish of the belt allows for aesthetic integration into the original upholstery, without the effect of an "out-of-place" element. Thanks to this, repairing the passive safety system does not negatively affect the visual consistency of the interior, which is important both from a utility point of view and for the potential resale of the vehicle.

Construction and technical fitment

The rear middle seat belt in the Audi A4/S4 B7 is factory-adapted to work with the standard body anchoring points and factory buckles. The retractor mechanism, belt routing, and buckle attachment are configured to maintain the original safety system performance parameters after installation. By using an original solution from the Seat belts and parts group, it is possible to maintain compliance with Audi's factory service procedures. This is important during technical inspections and in situations where the vehicle has undergone post-accident repairs and it is necessary to restore the full functionality of the passenger restraint system.

Benefits of using an original Audi seat belt

Using an original rear middle seat belt in the Audi A4/S4 B7 allows for:

• maintaining the factory level of passive safety for the passenger in the middle rear seat,
• secure fitment to factory mounting points without the need for modifications,
• preserving consistent interior color scheme thanks to the grey webbing,
• easier verification of correct installation by a service center or technician. The used component allows for an economical vehicle repair while maintaining the manufacturer's original specifications. This is a practical solution in the event of a seat belt replacement after the safety system has been triggered or in case of mechanical damage to the webbing or the retractor mechanism.

Professional installation and service aspects

Due to the importance of the passive safety system, it is recommended that the installation of the rear middle seat belt in the Audi A4/S4 B7 be performed by a qualified service center or a person with experience in working with components mounted in the rear of the cabin. Proper tightening of bolts, correct belt routing, and checking the retractor lock are crucial for maintaining the full functionality of the component. During installation, it is worth paying attention to the condition of other components in this area – mounts, buckles, and upholstery elements – to avoid tension or abrasion of the webbing during operation. A properly performed replacement allows for the restoration of full utility to the rear, middle seating position, which is significant for daily vehicle use by families or in fleet applications. If you are planning a comprehensive repair or upgrade of the rear seat passenger safety zone in your Audi and need other components from the same group, such as tensioners, retractors, or complete mounting assemblies, check the available parts in the Audi Seat belts and parts category. To better understand the specifics of the solutions used by Audi regarding chassis and safety systems in all-wheel-drive models, it is worth reading an article comparing AWD systems – you can find it here: xDrive, 4Matic, quattro or 4Motion – a comparison of AWD drives from BMW, Mercedes, Audi and VW. If you are considering whether a new or used OEM part is a better choice for components such as seat belts, a cost-quality guide may be helpful: New or used? A comparison of costs and quality of car parts, which discusses the practical aspects of selecting components based on real service scenarios.