Seat Leon 1P Front Seatbelt Seat Belt Upper Pretensioner Left N/S 1P0857705

The front left upper seat belt pretensioner for Seat Leon 1P is an original safety system component, designed for installation on the front left seat. It ensures proper cooperation of the seat belt with the vehicle's protection systems, maintaining stable belt guidance and correct tensioning during a collision.

Specifications and technical data

• SKU: 1P0857705
• Mark: Seat
• Condition: Used
• OEM Part Number: 1P0857705
• Substitutable numbers: 1P0857705, 1P0 857 705
• Location on the vehicle: Front, Left
• Category: Seat Belts & Parts

Vehicle Application and Function

The described upper seat belt pretensioner for Seat Leon 1P operates in the front cabin area on the left side. It is responsible for controlled belt guidance at the upper mounting point and for its dynamic tightening to the driver's or passenger's body upon activation of the safety system.

This component is part of the seat belts and parts category, meaning it contributes to the vehicle's complete protection system, influencing:

• maintaining correct belt geometry relative to the seat and body,
• stable tensioning operation in emergency situations,
• limiting body movement during sudden braking or impact.

Construction and Fit for Seat Leon 1P

The pretensioner has been specifically designed for the Seat Leon 1P platform, offering:

• factory mounting points in the left-side body pillar,
• compatible belt guidance geometry relative to the seat and headliner,
• integration with the vehicle's original safety system.

This precise fit minimizes the need for modifications during installation and helps maintain the safety parameters intended by the car manufacturer.

Component Condition and Service Application

The pretensioner comes from the group of used OEM parts, making it an attractive alternative to new components for post-accident repairs or safety system servicing. It is particularly useful in situations where:

• replacement of a damaged pretensioner after airbag and belt system activation is necessary,
• the front left body area is being repaired after a collision,
• it is important to preserve the original construction of the Seat safety system.

By retaining its factory specifications, the component allows for the restoration of correct seat belt functionality for the given seating position.

Safety, Diagnostics, and Part Selection

When selecting a pretensioner for a specific vehicle, it is crucial to verify its compatibility with the OEM part number and any interchangeable numbers listed in the service documentation. This helps avoid installation issues and ensures proper integration with the vehicle's electronics.

For comprehensive repairs of the powertrain and safety systems, it is also advisable to consider the condition of other components, such as the clutch or dual-mass flywheel. The guide article Clutch and Dual-Mass Flywheel – Diagnostics and Part Selection for the Powertrain can be helpful in planning broader service work within a single maintenance cycle.

Other Seat Seat Belts and Parts

If you are looking for other seat belts and parts for Seat, use the dedicated category where you will find a wide selection of compatible protection system components: Seat seat belts and parts.