Citroën Jumper III Front Seat Belt Tensioner Buckle Front Right O/S 639824800A

Citroën Jumper III Front Seat Belt Tensioner Buckle Front Right O/S is a component from the Seat belts and parts group, responsible for the stable fastening of the seat belt and the proper operation of the tensioning mechanism on the front passenger side. A properly selected tensioner buckle ensures correct cooperation with the factory safety system, which translates into increased vehicle occupant protection and compliance with the manufacturer's design specifications.

Specifications and technical data

• SKU: 639824800A
• Mark: Citroën
• Condition: Used
• OEM Part Number: 639824800A
• Substitutable numbers: 639824800A
• Location on the vehicle: Front, Right
• Part type: Pretensioner
• Category: Seat Belts & Parts

Purpose and function in the safety system

The described tensioner buckle is intended for installation in the front right part of the third-generation Citroën Jumper cabin. It is responsible for securely fastening the seat belt and working with the tensioner, which pulls the belt against the passenger's body in the event of a collision, limiting their movement. Thanks to this, the passive safety system can operate according to the engineers' design, and the impact energy is better distributed across the body structure and interior elements.

Compatibility and fit for Citroën Jumper III

As a component dedicated to a specific model, the front right seat belt tensioner buckle is designed to maintain factory mounting points and belt operation geometry. Proper fitment to the seat and center tunnel facilitates installation and minimizes the risk of incorrect belt positioning during use. Maintaining the original mounting design is important both for user comfort and for the effectiveness of the safety system in emergency situations.

Characteristics of the used component

The presented tensioner buckle comes from the secondary market, which allows for an economical repair of the safety system while maintaining the original design. A used component of this type is particularly attractive for post-accident repairs when it is necessary to replace several elements at once. Choosing parts from dismantling allows for maintaining the consistency of technical solutions applied by the manufacturer while reducing service costs.

Importance of correct vehicle placement

The placement of the buckle in the front zone on the right side of the vehicle is crucial for the proper operation of the entire system. This element works with the seat belt, tensioner, and seat structure, so its geometry and mounting orientation must be consistent with the factory solution. A correctly selected and installed tensioner buckle reduces the risk of belt twisting, facilitates quick belt fastening, and ensures predictable system behavior during sudden braking or a collision.

Expanding the safety system in Citroën

If you are planning a comprehensive repair or upgrade of the passenger safety zone in your Citroën and need other elements from the same group, such as tensioners, retractors, or belt mounts, check the available parts in the Citroën seat belts and parts category.

Technical support and selection of used parts

When selecting used safety system components, it is worth using procedures based on vehicle identification numbers and manufacturer markings to maintain full compatibility with a specific equipment version. Additional information on the safe and informed use of parts from dismantling, selection procedures, and the impact of original components on vehicle durability can be found in the article BMW – sports performance and precision. How do original used parts extend the life of a Bavarian icon?, which discusses universal principles also useful when servicing other brands.