Audi S8 A8 D3 4E Rear Seats Belt Buckle Lock Right O/S Black 4E0857740A

Audi S8 A8 D3 4E Rear Right Seat Belt Buckle Latch Black is an original part from the seat belts and parts category, designed for the rear right side of the vehicle. It ensures proper seat belt fastening, which translates to stable passenger restraint and correct interaction with Audi's factory safety systems.

Specifications and technical data

• SKU: 4E0857740A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0857740A
• Substitutable numbers: 4E0857740A, 4E0 857 740 A
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Seat Belts & Parts

Purpose and Function of the Seat Belt Buckle Latch

The presented seat belt buckle latch has been specifically designed for the rear right side of the bench seat in Audi's premium class models. It is responsible for the secure locking of the seat belt tongue, and consequently, for maintaining the correct position of the belt on the passenger's body during daily driving and in emergency situations.

The component is constructed to work with the factory seat belt, maintaining compatibility with the original mounting geometry and the belt webbing path as intended by the manufacturer.

Construction, Color Scheme, and Interior Fit

The seat belt buckle latch is designated for the rear right side of the vehicle, which facilitates unambiguous part selection during replacement. This ensures correct seat belt routing and ergonomic access to the buckle for the passenger seated on the right side of the rear bench.

The black color of the housing allows for an aesthetically pleasing integration of the component into typical Audi interiors, where dark upholstery and finishes dominate. This solution promotes visual cohesion of the cabin and does not distract from other equipment elements.

Benefits of Using an Original Seat Belt Buckle Latch

Choosing an original buckle latch for your Audi offers a range of practical advantages:

• Factory Fit – maintains the correct position of the buckle relative to the seat and body, without the need for modifications.
• Compatibility with Safety Systems – proper interaction with the seat belt and the structural solutions designed by the manufacturer.
• Consistent Interior Appearance – black color scheme matches typical Audi cabin configurations.
• Stable Belt Mounting – ensures predictable belt behavior during braking and changes in direction of travel.

Condition, Application, and Selection of the Correct Part

This component belongs to the seat belts and parts group, meaning it has been designed to meet stringent passive safety requirements. As a used part, it represents a sensible choice for users who want to restore full functionality to the rear right seating position while maintaining a favorable cost-to-quality ratio.

When selecting a seat belt buckle latch, it is advisable to pay attention to its vehicle placement and color to ensure complete assembly and visual compatibility with other interior elements. If in doubt, comparing the mounting structure with the currently installed part can be helpful.

Audi Seat Belts and Parts – Component Selection

If you are looking for other items from the Audi seat belts and parts category, check out the Audi seat belts and parts available in our store to select the appropriate components for your model.

For drivers interested in the broader context of using original used parts in premium cars, we recommend the article on our blog: BMW – Sporty Performance and Precision and the Role of Original Used Parts, which describes catalog number selection procedures and practical operating tips.

If you want to better plan your purchases based on used parts, the guide may also be helpful: Used Parts – Your Guide to the Best Offers in the Automotive Store, which describes how to consciously choose used components and maintain vehicle performance.