Ford Transit Mk8 Seat Belt Buckle Lock Tensioner Front Left N/S BK21V61202CB

Ford Transit Mk8 Front Left Seatbelt Pretensioner is a component from the seatbelts and parts category, designed for installation on the front left side of the vehicle. It is responsible for the controlled tensioning of the driver's or passenger's seatbelt, which is crucial for passive safety in the Ford Transit Mk8.

Specifications and technical data

• SKU: BK21V61202CB
• Mark: Ford
• Condition: Used
• OEM Part Number: BK21V61202CB
• Substitutable numbers: BK21V61202CB, BK21-V61202-CB
• Location on the vehicle: Front, Left
• Part type: Pretensioner
• Category: Seat Belts & Parts

Purpose and Function of the Pretensioner

The seatbelt pretensioner for the front – left side works in conjunction with the vehicle's safety system, ensuring the seatbelt is quickly tightened to the body in the event of a collision or sudden braking. This limits excessive movement of the driver or passenger, supporting the function of airbags and the seat structure.

The component is part of the OEM Ford system, meaning it maintains proper operating characteristics, appropriate tensioning force values, and correct interaction with the vehicle's electronics. Using a dedicated pretensioner allows for the preservation of the Transit Mk8's factory safety parameters.

Construction and Vehicle Placement

The pretensioner is integrated with the seatbelt mounting on the pillar or near the seat on the driver's side (or the left front seat in right-hand drive versions). Its construction includes a tensioning mechanism and a belt webbing attachment point, enabling:

• secure anchoring of the seatbelt to the body structure or seat,
• controlled operation of the tensioning mechanism in emergency situations,
• proper belt routing relative to the user's body.

Placement on the front left side of the vehicle is important when selecting parts – the pretensioner is designed for a specific side of the body, so it should not be interchanged with components from the right side.

Benefits of Using an Original Pretensioner

Using a pretensioner dedicated to the Ford Transit Mk8 offers a range of practical operational benefits:

• Factory Compatibility – fits the seat, pillar, and body mounting points without requiring modifications.
• Correct Interaction with the Safety System – maintains the appropriate sequence of operation with sensors and the airbag control unit.
• Stable Belt Mounting – reduces slack and unwanted webbing movement during driving.
• Consistency with Other System Components – allows for seamless installation with the existing seatbelt and vehicle mountings.

Condition, Verification, and Service Application

The pretensioner comes from the secondary market, allowing for economical repair of the safety system while maintaining the original Ford construction. This type of component is often chosen for:

• post-accident repairs, when the pretensioner has deployed,
• seatbelt system servicing, when mechanical damage or improper operation has been identified,
• restoring complete equipment after unprofessional interior modifications.

Before installation, it is recommended that the workshop verify the part's compatibility with the specific vehicle equipment version and perform safety system diagnostics after installation.

Selection and Other Ford Seatbelts and Parts

If you are also looking for other components from the Ford seatbelts and parts category for your vehicle, check out the Ford seatbelts and parts available in our store to select a complete solution for your safety system.

More About Choosing Used Safety Components

Before purchasing a used pretensioner, it is advisable to familiarize yourself with the principles of selecting original components from the secondary market, their verification, and typical applications in popular models. A detailed discussion can be found in the article: Best Used Car Parts – A Guide to the Most Popular Original Parts for Popular Car Brands and Models, which will help you plan repairs and upgrades consciously.