Volkswagen VW Polo Mk4 9N Seat Belt Rear Left N/S Seatbelt Black 6Q0857805A

Volkswagen VW Polo Mk4 9N Seat Belt Rear Left N/S Seatbelt Black is an original component from the Seat belts and parts group, designed for installation on the rear left side of the vehicle. The black color ensures consistency with the factory interior finish, and the OEM design guarantees the proper operation of the passenger restraint system.

Specifications and technical data

• SKU: 6Q0857805A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 6Q0857805A
• Substitutable numbers: 6Q0857805A, 6Q0 857 805 A
• Location on the vehicle: Rear, Left
• Part type: Seat Belt
• Color: Black
• Category: Seat Belts & Parts

Purpose and function of the seat belt

The presented seat belt has been designed specifically for the rear left side of the Volkswagen Polo 9N generation cabin. Its task is to stably hold the passenger in the seat during driving and in emergency situations, in accordance with the assumptions of the factory passive safety system. Thanks to the fitment for the specific body model, the correct mounting points, belt routing geometry, and proper cooperation with the buckle and tensioner are maintained, which translates into predictable system behavior in the event of a collision.

Construction, color scheme, and interior fitment

The black color of the belt allows for aesthetic integration into most upholstery configurations used in the Polo 9N. The neutral color does not distract from other cockpit elements while making it easier to maintain visual consistency after replacing a damaged component. The element belongs to the Seat belts and parts group, which means it has been designed to work with factory mounting points and other components of the restraint system. Installation takes place in the location provided by the manufacturer, without the need for interference with the body structure.

Installation characteristics and application

The belt is intended for installation in the rear left part of the vehicle, which minimizes the risk of error when selecting a component for a specific seating position. Proper placement on the vehicle is crucial for maintaining correct belt routing geometry and passenger comfort. As a used item, the belt is a cost-effective solution for post-accident repairs, replacing worn or faulty components, and restoring the full functionality of the safety system in a daily-driven car.

Benefits of using an original seat belt

• Factory fitment to the body structure and mounting points in the Volkswagen Polo 9N.
• Consistent black color scheme allowing for a uniform interior look.
• Designed for a specific position – rear left seat – reducing the risk of incorrect installation.
• Ability to restore full safety system functionality without the cost of purchasing a new part.

Expanding the safety system in your Volkswagen

If you are planning a comprehensive repair or upgrade of the rear seat passenger safety zone in your Volkswagen and need other elements from the same group, such as retractors, buckles, or mounts, check out the available parts in the Volkswagen seat belts and parts category. To better plan repairs using OEM components from dismantling and to approach the choice of used parts consciously, it is worth reading our guide: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026.