Ford Fiesta Mk7 Rear Double Seat Belt Buckle 8V51-A613K21-AC

Ford Fiesta Mk7 Rear Double Seat Belt Buckle is an original component from the Seat belts and parts group, designed for the rear bench seat. The double design ensures convenient fastening of two seat belts while maintaining factory functionality and compatibility with the mounting system in the Ford Fiesta Mk7. It is a practical solution for replacing a damaged or faulty seat belt buckle in the rear of the vehicle.

Specifications and technical data

• SKU: 8V51-A613K21-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: 8V51-A613K21-AC
• Substitutable numbers: 8V51-A613K21-AC, 8V51A613K21AC
• Location on the vehicle: Rear
• Category: Seat Belts & Parts

Purpose and function in the vehicle

The buckle is a component mounted in the rear part of the cabin, between the rear seat cushions. It is responsible for securely fastening the seat belt, working in conjunction with factory seat belt retractors and webbing. The double socket allows for the use of two seating positions, which is particularly important for maintaining the full functionality of the rear bench seat.

The element has been designed specifically for Ford, ensuring it maintains the correct geometry, length of the mounting cable, and appropriate operating angles relative to the seat and backrest. Such a fit reduces the risk of improper seat belt buckle positioning and improves the comfort of rear seat passengers.

Construction and technical features

The double buckle consists of two independent mounting sockets set on a common mounting base. Each socket is equipped with a buckle locking mechanism designed to work with the factory seat belts of the Ford Fiesta Mk7. The design provides a clear, mechanical signal of engagement and stable retention of the buckle while driving.

The socket housing is made of durable plastic, and the load-bearing elements are made of high-strength metal, allowing it to withstand loads in accordance with the requirements for passive safety systems. The materials used are resistant to typical operating conditions inside the vehicle, such as temperature changes or daily use.

Benefits of using an original buckle

Using an original buckle in the Ford Fiesta Mk7 allows you to maintain the consistency of the safety system with other factory components. Proper fitment to the rear bench seat structure facilitates installation and minimizes the risk of looseness or incorrect positioning of the sockets relative to the passengers.

Replacing a worn or damaged buckle with an original part from the same design group helps restore the proper operation of the seat belts on the rear bench. This is especially important in vehicles where there has been mechanical damage to the socket, problems with the buckle locking, or insecure belt retention.

Characteristics of the used product

The item comes from disassembly and has the status of a used original part. This means that the construction and parameters are consistent with the factory equipment of the Ford, and the buckle itself retains the functionality required for further operation. This type of solution is often chosen for vehicle servicing where maintaining the original specification while optimizing costs is a priority.

Before installation, it is recommended to perform a standard check of the locking mechanism's operation and verify the visual condition, in accordance with the procedures used when replacing passive safety system components.

Related components and technical knowledge

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

When working with systems responsible for safety and the drivetrain, it is worth using reliable sources of knowledge. Practical tips on assessing the condition of used components, how to verify their efficiency, and avoiding common mistakes can be found in the article Second-hand differential – what you need to know about used differentials, sensors, and drivetrain systems.

If you are considering a wider use of aftermarket parts, a guide dedicated to common pitfalls when selecting components for vehicle modification, available in the material Buying used car parts • Most common mistakes when choosing parts for tuning, may also be helpful.