Volkswagen Passat CC Seat Belt Buckle Latch Rear Right O/S 3C8857740A

Volkswagen Passat CC Rear Right Seat Belt Buckle Clip is an original part from the Seat Belts and Parts group, designed for installation on the rear right side of the vehicle. Precise fitting to the seat structure and factory mounting geometry ensure stable operation of the latch mechanism and proper cooperation with the seat belt. A used OEM component is a sensible choice for professional repair of the passive safety system in a Volkswagen.

Specifications and technical data

• SKU: 3C8857740A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C8857740A
• Substitutable numbers: 3C8857740A, 3C8 857 740 A
• Location on the vehicle: Rear, Right
• Category: Seat Belts & Parts

Purpose and Function of the Seat Belt Buckle

The rear right seat belt buckle in the Passat CC is responsible for securely fastening the belt webbing and correctly holding the buckle tongue during driving and in emergency situations. This component works with the factory retractor and pretensioner mechanism, creating a cohesive safety system for the rear seat passenger on the right side.

Thanks to its construction, which aligns with the manufacturer's solutions, the buckle maintains the correct working height, angle relative to the seat, and appropriate stiffness, which reduces unwanted play and improves the comfort of using the seat belt.

Benefits of Using an Original Buckle

Using an original seat belt buckle in the Passat CC allows for maintaining the consistency of the safety system with Volkswagen's original design assumptions. In practice, this means:

• maintaining the latch's operating characteristics as intended by the manufacturer,
• correct positioning of the buckle tongue relative to the seat and body,
• compatibility with the standard belt webbing and other system components,
• reducing the risk of installation problems thanks to factory mounting points.

For workshops and users, this means more predictable installation and maintaining the designed level of passive safety in the rear part of the cabin.

Vehicle Placement and Installation Aspects

The described buckle is intended for installation in the rear interior, on the right side, as indicated by the vehicle placement marking. This precise positioning helps avoid errors in component selection and facilitates the planning of service work on the rear seat.

In practice, installation involves screwing the buckle to the factory mounting point in the seat or floor structure, observing the correct tightening torque according to the manufacturer's service documentation. Proper routing of the belt webbing and ensuring free access to the release button are crucial for subsequent trouble-free operation.

Used Condition and Operation

The component comes from disassembly, allowing for economical repair of the safety system while maintaining the original Volkswagen construction. Before installation, it is advisable to check the smooth operation of the release button, the absence of excessive mechanical play, and the correct "click" when inserting the belt buckle tongue.

To extend the period of trouble-free operation of the buckle, periodic cleaning of the latch socket is recommended, and avoid spilling drinks or chemical agents onto the component. Additional practical tips for operating disassembled components can be found in the article How to Extend the Lifespan of Used Car Parts?, which discusses, among other things, good maintenance practices for parts from the aftermarket.

Volkswagen Seat Belts and Parts – System Expansion

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