Seat Leon Mk3 5F Left Right Rear Seat Belt is an original part from the seat belts and parts category, designed for installation on the rear bench seat, on the left or right side. The product ensures proper belt guidance, stable mounting, and compliance with the factory body structure of the third-generation Seat Leon model.
Specifications and technical data
- SKU: 5F0857805
- Mark: Seat
- Condition: Used
- OEM Part Number: 5F0857805
- Substitutable numbers: 5F0857805, 5F0 857 805, 6211806
- Location on the vehicle: Rear, Right, Left
- Part type: Seat Belt
- Category: Seat Belts & Parts
Vehicle Application and Placement
The presented Seat Leon Mk3 5F rear seat belt is intended for installation on the rear bench seat, with the possibility of use on both the driver's and passenger's side. This solution facilitates the selection of the correct part for repairs after an accident or for replacing a worn component in the rear area.
Vehicle placement includes:
- Rear cabin area – installation in factory mounting points in the body.
- Right side – serves the passenger seat on the right side of the rear bench.
- Left side – serves the passenger seat on the left side of the rear bench.
This range of application allows for flexible use of the component during interior servicing and restoration of the full functionality of the passive safety system.
Technical Characteristics and Compatibility
The belt comes from the Seat OE line, which means maintaining factory operating parameters of the retractor mechanism, emergency lock, and mounting points. Original manufacturing translates to:
- proper cooperation with the seat structure and body pillars,
- appropriate belt length adapted to the interior geometry of the Leon Mk3 model,
- consistency with the vehicle's safety system, including factory anchor points.
The part is designed for Seat vehicles of the third-generation Leon family, which simplifies part selection for repairs compliant with manufacturer guidelines.
Benefits of Installing an Original Seat Belt
Choosing an original seat belt for the rear bench in the Leon Mk3 model offers a number of practical advantages:
- Hassle-free installation – fits factory mounting holes and body brackets.
- Consistent retractor mechanism operation – proper belt tension while driving and during sudden braking.
- Maintenance of predictable safety system behavior – compliance with the vehicle manufacturer's design assumptions.
- Aesthetically matches the interior – maintains the factory appearance of the rear cabin.
Thanks to this, the belt can be used for both post-accident repairs and for replacing an element worn through use, without altering the seat or upholstery structure.
Condition and Origin of the Part
The offered seat belt is part of the used original parts group, sourced from dismantled Seat vehicles. Such components are often chosen by workshops and individual users looking for factory solutions at a reasonable price, while maintaining compatibility with the car's construction.
For passive safety systems, it is particularly important to use components that are consistent with the manufacturer's design – this applies to both mounting geometry and the operating characteristics of the retractor mechanism and emergency lock.
Related Products and Technical Knowledge
If you need other Seat seat belts and parts for your car, check out our dedicated category: Seat seat belts and parts. There you will find a wide selection of parts designed for various models of this brand.
For those interested in selecting original dismantled components, we also recommend an article on our blog, where we discuss the advantages of using factory used components in premium cars: used parts for Mercedes – original parts from dismantling. This is a practical supplement to knowledge on how to consciously choose used parts to maintain vehicle safety and functionality.
