Ford Fiesta MK7 Door Lock Latch Front Right O/S Actuator Mechanism 8A61A21978AD

Ford Fiesta MK7 Door Lock Latch Front Right O/S Actuator Mechanism is an original locking mechanism designed for the passenger side in right-hand drive versions. This component from the Locks and Latches group is responsible for securely closing the door, working in conjunction with the central locking actuator, and ensuring the proper operation of the handle and latch, thus guaranteeing the safe use of the vehicle.

Specifications and technical data

• SKU: rhd-1715788
• Mark: Ford
• Condition: Used
• OEM Part Number: 1715788
• Substitutable numbers: 1715788, 8A61A21978AD, KD
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock is dedicated to the front right door of the Ford Fiesta MK7 and is an integral part of the body locking system. The mechanism works with the vehicle's electrical system as well as the external and internal handles, being responsible for:

• mechanical locking of the door once closed,
• transferring movement from the handle to the opening mechanism,
• working with the central locking actuator,
• maintaining a stable door position while driving.

Thanks to its precise fit for the specific body model, the lock ensures proper alignment with the door panel and pillar, which reduces the risk of play, rattling, and leaks.

Construction and compatibility

The front right door lock mechanism in the Ford Fiesta MK7 is an OEM design, prepared for installation at factory mounting points. The architecture used includes an integrated actuator and a set of levers and pawls that work with the handle rods and the lock cylinder (if present in the car's specific configuration). This solution allows for:

• maintaining the original geometry of handle operation,
• proper cooperation with the factory central locking system,
• easier diagnostics of potential faults in the future.

Original Ford origin helps maintain compliance with factory safety standards and minimizes the risk of fitment issues compared to universal replacements.

Benefits of using an original lock

Replacing a damaged or worn lock with an original component from the same design group allows for the restoration of full door functionality without interfering with the electrical or bodywork systems. Key advantages include:

• stable central locking operation – correct locking and unlocking of all doors,
• maintaining the factory level of anti-theft security,
• reducing issues with doors not closing properly and the need for "slamming,"
• compatibility with factory comfort module settings.

For workshops and users, this means shorter installation time, lower risk of complaints, and easier integration with existing vehicle equipment.

Application in service practice

The Ford Fiesta MK7 Door Lock Latch Front Right O/S Actuator Mechanism is particularly useful in situations where symptoms such as no response to the central locking, problems with opening the door from the inside or outside, or intermittent mechanism jamming occur. Replacing the complete lock assembly is a more predictable solution than temporary repairs of individual components.

The component from this design group works well both for standard post-accident repairs and for routine vehicle maintenance when the existing lock shows signs of mechanical or electrical wear.

Condition and fitment verification

The offered lock comes from the used original Ford parts segment, which allows for combining an attractive purchase cost with the preservation of the factory design. Before installation, it is recommended to compare the structure of the mechanism and electrical connectors with the currently installed component to confirm full compatibility.

For additional verification, you can use the manufacturer's markings and interchangeable numbers visible in the technical specification – this facilitates the selection of the correct lock for the specific equipment version and model year of the car.

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

For drivers interested in a broader perspective on the operation and maintenance costs of second-hand cars, including the impact of parts prices on the profitability of ownership, an article comparing popular BMW diesel engines may be helpful – more information can be found in the material BMW N47 vs M57 / M57N / M57N2 – ranking of legendary diesels.