Ford Fiesta Mk5 Door Lock Actuator Front Left N/S 3 Door 2S51-B219A65-FB

Ford Fiesta Mk5 Door Lock Actuator Front Left N/S 3 Door is a factory-original front left door lock actuator designed for the three-door version of the Ford Fiesta Mk5. This component is responsible for the precise control of the door locking and unlocking mechanism, ensuring convenient operation of the lock via the key or central locking system. Due to its original design, it fits the factory Ford locking system without the need for any installation modifications.

Specifications and technical data

• SKU: RHD-2S51-B219A65-FB
• Mark: Ford
• Condition: Used
• OEM Part Number: 2S51-B219A65-FB
• Substitutable numbers: 2S51-B219A65-FB, 2S51B219A65FB
• Location on the vehicle: Front, Left
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and vehicle placement

The presented lock actuator is designed for installation in the front left door of the three-door Ford Fiesta Mk5. Its placement in the driver's door area makes this component crucial for the proper operation of the central locking system and comfortable access to the cabin. The design is matched to the factory lock mechanism, which facilitates installation and reduces the time required for replacement.

Function and performance parameters

The actuator is responsible for:

• controlling the door locking and unlocking mechanism on the driver's side,
• working in conjunction with the vehicle's central locking and electrical system,
• correctly transferring motion to the mechanical lock components,
• maintaining stable operation of the locking system during daily use.

By maintaining the original geometry and mounting points, the actuator integrates with the existing door mechanism, which promotes trouble-free installation and proper cooperation with other system components.

Product characteristics and benefits of use

The offered component belongs to the Locks and Latches group, meaning it has been designed to work in demanding operating conditions – during frequent opening and closing of the door and in variable weather conditions. Using an original Ford solution allows you to maintain:

• consistency with the vehicle's factory security system,
• proper cooperation with the central locking and remote control,
• appropriate operating standards of the lock mechanism (force, travel, direction of action).

The used condition means that the part comes from dismantling, which in practice allows you to combine a lower purchase cost with the preservation of the manufacturer's original specifications. This is a particularly beneficial solution for maintenance repairs where functionality and fitment for a specific model are key.

Professional use in service and workshop

The front left door lock actuator for the Ford Fiesta Mk5 will prove useful both in professional service centers and independent workshops that service Ford vehicles. Thanks to its original design, it facilitates:

• efficient replacement of a damaged or unstable actuator,
• reducing the risk of compatibility issues typical of aftermarket replacements,
• maintaining a uniform standard of parts in the vehicle.

This is a practical solution for users who want to restore full functionality to the driver's door lock without investing in new, more expensive components.

Related items from the Ford locks group

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

To compare manufacturers' approaches to original used components and to better understand the advantages of using factory parts from dismantling, it is worth reading the article Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?, which discusses the practical aspects of operating and servicing vehicles using original components.