Audi A5 F5 Seat Belt Height Adjuster Regulator Front Left Right N/O/S 4M0857819

Audi A5 F5 Front Left Right Seat Belt Height Adjuster is an original part from the Seat Belts and Parts group, designed for precise adjustment of the seat belt's position in the front seats. It ensures a comfortable fit of the belt to the driver's and passenger's height, improving ergonomics and comfort during daily driving. A used, factory Audi component is a sensible choice for those who value proven design solutions.

Specifications and technical data

• SKU: 4M0857819
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0857819
• Substitutable numbers: 4M0857819, 4M0 857 819
• Location on the vehicle: Front, Left, Right
• Category: Seat Belts & Parts

Purpose and Technical Function

The seat belt height adjuster is responsible for changing the position of the upper seat belt anchor point on the front pillar. The presented solution is designed to accommodate both the left and right sides in the front of the vehicle, allowing for a consistent fit of both front seat belts to the users.

The component works with the factory belt guide mechanism, maintaining a stable geometry of its path relative to the seat and body. This reduces the risk of improper belt positioning on the shoulder and neck, which is important for both comfort and the effectiveness of the passive safety system.

Benefits of Using an Original Adjuster

Using an original adjuster in the Audi A5 F5 allows for the preservation of the factory operating parameters of the seat belt system. The design has been specifically developed for the body geometry of this model, which translates to:

• correct belt routing relative to the seat and front pillar,
• stable positioning of the anchor point when changing height,
• consistency with other safety system components in the cabin.

A used OEM part also allows for maintaining a consistent interior appearance and matching existing mountings without the need for modifications or adaptations.

Vehicle Placement and Installation Aspects

The adjuster is designed for use in the front part of the cabin, on both the left and right sides. This placement on the vehicle makes it easier for service technicians to identify the correct component during accident repairs or when replacing worn seat belt system parts.

The design solution is oriented towards installation in factory mounting points, which helps maintain original connection rigidity and proper load transfer in the event of a collision. In practice, this means the repair can be carried out in accordance with the vehicle manufacturer's specifications.

Use of Used Parts in Repairs

In the case of accident repairs or interior refurbishment, using a used seat belt height adjuster can help reduce costs while maintaining factory specifications. This solution is particularly beneficial when the goal is to restore the full functionality of the safety system without altering the body structure.

More practical tips on selecting parts from dismantling and body repair procedures can be found in the article: Body and Chassis – Accident Repairs Using Dismantled Parts.

Expanding the Audi Seat Belt System

If you are planning a comprehensive repair or upgrade of the interior safety zone in your Audi and need other parts from the same group, such as pretensioners, retractors, or belt anchors, check the available parts in the Audi Seat Belts and Parts category.