Ford Fiesta Mk7 Driver’s Door Lock Cylinder Barrel Latch 8A6A-21990-AD

Description

Ford Fiesta Mk7 Driver’s Door Lock Cylinder Barrel Latch is an original component from the Locks and Latches group, designed for the mechanical operation of locking and unlocking the driver’s side door. It is a practical solution for users who want to restore full functionality to the door lock while maintaining the factory design and reliable mechanism operation.

Specifications and technical data

• SKU: RHD-8A6A-21990-AD
• Mark: Ford
• Condition: Used
• OEM Part Number: 8A6A-21990-AD
• Substitutable numbers: 8A6A-21990-AD, 8A6A21990AD
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the driver’s door lock

The presented lock cylinder is the component responsible for interacting with the key in the driver’s door, providing direct, mechanical control of the latch. This allows for vehicle locking and unlocking independent of the electronics, which is particularly important in emergency situations, such as a dead battery or a central locking system failure.

As a part from the Locks and Latches group, this component works with the door mechanism, transferring the movement of the key to the internal locking system. Proper geometry and fitment to the Ford Fiesta Mk7 door structure ensure the correct operation of the handle, linkages, and other components of the locking system.

Construction and fitment for Ford Fiesta Mk7

The driver’s door lock cylinder has been designed specifically for the door architecture of the Ford Fiesta Mk7, which translates into correct seating in the door panel and stable cooperation with the internal mechanism. The properly shaped housing and working profile ensure smooth key guidance and repeatable operation with every turn.

The item comes from the Ford line, ensuring it maintains factory standards of workmanship and compatibility. The design is intended for installation in place of the original cylinder, without the need for interfering with the door structure or modifying mounts, which facilitates service and reduces repair time.

Condition, application, and benefits of replacement

The product is offered as a used original component, which allows for combining an attractive price with maintaining the correct fit for the specific model. It is a good solution in case of mechanical damage to the cylinder, wear of the tumblers, or problems with smooth key operation in the driver’s door.

Replacing the driver’s door lock cylinder can solve common operational problems, such as the mechanism jamming, the inability to turn the key, or uncertain locking. Using an original component from the same design group allows for maintaining the consistency of the locking system and reducing the risk of improper operation of other door elements.

Integration with the locking system and security

A functional driver’s door lock is important not only for utility but also in the context of vehicle security. A properly working cylinder allows for manual securing of the car when the central locking or remote control is not functioning correctly. Mechanical locking of the driver’s door is crucial for maintaining the basic level of vehicle protection while parked.

If you are planning a comprehensive repair or upgrade of the door and lock area in your Ford and need other elements from the same group, such as cylinders, latches, or locking mechanisms, check the available parts in the Ford Locks and Latches category.

Additional information and selection of used components

When selecting used components, it is worth paying attention to structural compatibility and the way the mechanism works in the context of a specific model and year. In case of doubts regarding the cost-effectiveness of using second-hand parts in various vehicle systems, guide materials regarding operation and service may be helpful.

To better understand when the choice of used components is technically justified and how to assess their condition, you can use the guide article Standard vs. sports suspension – differences in construction and is it worth buying used suspension parts?, which discusses the practical aspects of selecting used car parts.