Audi Q7 4M 3rd Row Seat Belt Buckle Centre Middle Double Twin Latch 4M0857739N

The Audi Q7 4M Rear Center Seat Belt Buckle for the Third Row is an original safety system component designed for the rear third row of seats. Manufactured by the vehicle's producer, it ensures compatibility with the factory seat belt system and proper functioning of the locking mechanism.

Specifications and technical data

• SKU: 4M0857739N
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0857739N
• Substitutable numbers: 4M0857739N, 4M0 857 739 N
• Location on the vehicle: Rear
• Category: Seat Belts & Parts

Application and Function in Audi Q7 4M

The center seat belt buckle in the third row of seats is responsible for the secure fastening of the belt buckle and the correct operation of the lock during braking or collision. The component is structurally adapted to the interior of the Audi Q7 4M generation, thus maintaining the correct belt geometry and cooperating with factory mounting points.

Its placement in the rear of the vehicle means the buckle is designed for the specific loads and operating conditions in the third row – both in terms of user ergonomics and passenger safety.

Construction and Compatibility with the Seat Belt System

The original buckle from the Seat Belts and Parts category is constructed to:

• precisely cooperate with Audi's factory seat belts,
• ensure secure fastening and a distinct click when the buckle is engaged,
• maintain a stable position relative to the seat and backrest in the third row,
• minimize play and unwanted movement during driving.

By using the original design, the parameters specified by the vehicle manufacturer are maintained, which is important for both user comfort and the operation of passive safety systems.

Characteristics of a Used Component

The presented center seat belt buckle is a used component, sourced from dismantling. This means that:

• it retains its factory fit for the Audi Q7 4M,
• it is a cost-effective solution compared to a new component,
• it allows for the restoration of full functionality to the third-row seat belt system without altering the vehicle's structure.

For many users, this offers a sensible compromise between price and maintaining the manufacturer's original specifications.

Safety, Installation, and Application

The center buckle in the rear row is a crucial link in the passenger restraint system. A correctly chosen component:

• helps in maintaining predictable vehicle behavior during sudden maneuvers due to properly functioning seat belts,
• ensures correct belt guidance and locking in emergency situations,
• reduces the risk of improper fastening or accidental release.

Installing an original buckle to replace a worn or damaged component allows for compliance with Audi's original design intentions, without the need for modifications or adaptations.

Part Selection by OEM and More Information

When selecting components such as a center seat belt buckle for an Audi, it is particularly important to use OEM markings and interchangeable part numbers. This allows for the precise matching of the component to the specific equipment version and model year of the vehicle, minimizing the risk of incompatibility.

If you are considering whether original, aftermarket, or used parts would be a better choice for your needs, the comparative article: Original, Aftermarket, and Used Car Parts – What's Most Cost-Effective may be helpful. There you will find a discussion of cost and quality differences, as well as issues related to selection by OEM numbers.

Other Audi Seat Belts and Parts

If you are also looking for other Audi seat belts and parts for your car, check out the dedicated offer in our catalog: Audi Seat Belts and Parts. This will allow you to easily assemble a cohesive set of safety system components in one place.