Audi A4 B8 Seat Belt Buckle Middle Twin Latch Rear 8K0857739AE

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B8 Seat Belt Buckle Middle Twin Latch Rear is an original interior component designed for the rear passenger area, responsible for the secure and stable attachment of the seat belt buckle. Thanks to its factory origin from the Audi group, it maintains the correct geometry, seat fitment, and compliance with the vehicle's safety system design. This used component allows for an economical yet professional interior repair without compromising on functionality.

Specifications and technical data

• SKU: 8K0857739AE-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0857797
• Substitutable numbers: 8K0857797, 8K0 857 797
• Location on the vehicle: Rear
• Category: Trim

Purpose and function of the rear seat belt buckle

Audi A4 B8 Seat Belt Buckle Middle Twin Latch Rear is a component mounted in the rear part of the cabin, designed to securely fasten the passenger seat belt and keep the buckle in the correct position while driving. Proper placement in the vehicle ensures the correct belt routing angle, which is essential for the effectiveness of the safety system and user comfort. The design of the buckle is adapted to standard seats and original mounting points in the body, which reduces the risk of tension and unwanted play.

Original design and fit for the Audi interior

As an element from the Trims, decorative strips and decorations group, the buckle has been designed to harmonize with other interior components of the Audi A4 B8. This includes both the shape of the housing and the way the belt is routed relative to the seat and the center tunnel. The original mounting geometry allows for maintaining:

• proper fit with upholstery and finishing plastics,
• stable position of the buckle relative to the seat,
• repeatable operation of the latch mechanism every time the belt is fastened.

As a result, replacing a damaged or worn buckle with an original Audi part does not require any interference with the seat structure or modification of the mounting points.

Technical characteristics and installation in the rear zone of the vehicle

The buckle is designed for installation in the rear part of the vehicle, which means it is adapted to the specific geometry of the bench seat and the spacing of the seat belt anchor points. The design provides for cooperation with standard seat belts factory-installed in the Audi A4 B8, ensuring compatibility with the vehicle's passive safety systems. The used component allows for:

• restoring full functionality of the rear seat after damage to the original buckle,
• maintaining a consistent interior look without differences in shape or belt routing lines,
• installation in existing mounting points without additional adapters.

Used condition and benefits of using OE parts

The buckle comes from the used parts segment, which allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. This type of OE component is designed for long-term operation in demanding daily driving conditions, which is why, even in a used state, it maintains predictable latch mechanism behavior and mounting stability. Using an original buckle in the rear of the cabin helps maintain the technical consistency of the entire seat belt system.

Integration with other Audi interior trim elements

When renovating or upgrading the rear part of the cabin, it is worth treating the buckle as part of a larger interior trim system – including door panels, tunnel covers, strips, and other decorative components. If you are planning a comprehensive repair or upgrade of the interior trim zone in your Audi and need other elements from the same group, such as covers, overlays, or additional strips, check the available parts in the Audi Trims, decorative strips and decorations category.

Additional information on interior tuning and upgrades

Replacing the seat belt buckle in the rear of the vehicle often accompanies broader interior work – such as changing seats, modifying upholstery, or retrofitting the cabin. If you are considering a wider range of work related to the ergonomics and aesthetics of the vehicle's interior, it is worth checking out tips on choosing used interior components, such as seats or steering wheels. Practical tips can be found in the article Car interior tuning with Global Parts, which discusses how to effectively use used elements to improve the comfort and appearance of the car.