Ford Focus Mk3 Bootlid Tailgate Lock Rear Latch Catch Mechanism BM51-R442A66-DA

Ford Focus Mk3 Bootlid Tailgate Lock Rear Latch Catch Mechanism is an original component from the Locks and latches group, designed for installation in the rear part of the vehicle body. This is a used Ford OE part that allows you to restore proper, secure closing of the tailgate and correct operation of the locking mechanism. Thanks to its factory origin, it ensures a proper fit to the tailgate structure and vehicle installation.

Specifications and technical data

• SKU: BM51-R442A66-DA-1
• Mark: Ford
• Condition: Used
• OEM Part Number: BM51-R442A66-DA
• Substitutable numbers: BM51-R442A66-DA, BM51R442A66DA
• Location on the vehicle: Rear
• Part type: Tailgate Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the mechanism

The presented lock is dedicated for installation in the rear of the vehicle, within the tailgate of the Ford Focus Mk3. It is responsible for the mechanical locking of the tailgate, cooperation with rods and actuators, and for stably keeping the tailgate in a closed position while driving. A properly functioning mechanism translates into:

• secure closing of the tailgate without the need for excessive force,
• reduction of vibrations and noise coming from the rear of the body,
• secure locking of the trunk during parking and driving.

Original Ford OE origin

The lock comes from the Ford OE parts line, which means it was designed exactly for the geometry of the Focus Mk3 tailgate and factory mounting points. The original design ensures proper fitment with the tailgate sheet metal, electrical wiring, and other components of the locking system. In practice, this translates into:

• stable operation of the mechanism under typical operating conditions,
• no need for modifications to mounts or custom adapters,
• preservation of the factory operating parameters of the lock. For many users, this is a reasonable alternative to cheap replacements, which often differ in construction details and may require additional adjustments.

Characteristics of the used part

The item is offered as a used part, which in practice means it comes from vehicle dismantling and has already been in service. Such components are often chosen by people who are looking for original solutions at a reasonable price, while maintaining factory design and compatibility. In the case of locks and latches, it is particularly important that the mechanism maintains correct geometry and smoothness of operation – this is exactly what original parts from dismantling provide.

Benefits of using an original tailgate lock

Replacing a faulty or worn-out tailgate lock with an original mechanism from a Ford Focus Mk3 allows you to solve typical problems with closing and locking the tailgate. The most important advantages of such a solution include:

• Factory fit – compatibility with the tailgate structure, hinges, and vehicle installation.
• Stable operation of the locking system – reduction of the risk of accidental opening of the tailgate and improvement of trunk usage comfort.
• Consistency with other body components – preservation of the manufacturer's original design concept. If you are planning a comprehensive repair of the locking system in your Ford, it is worth considering other elements from the same group, available in the Locks and latches category.

Practical assembly and operating tips

During installation, it is recommended to pay attention to the correct positioning of the lock relative to the striker, as well as the condition of the seals and tailgate hinges. Proper adjustment minimizes the need to slam the tailgate hard and affects the durability of the entire system. After installation, it is worth checking:

• whether the tailgate closes smoothly with moderate force,
• whether there are any rattles or knocks when driving over bumps,
• whether the mechanism works correctly with other elements of the opening system. If you want to better understand why original parts from dismantling are often a more favorable choice than cheap replacements, check out the article: The most popular repairs in Ford cars and the advantages of used original parts.

Summary

Ford Focus Mk3 Bootlid Tailgate Lock Rear Latch Catch Mechanism is a practical solution for users who want to restore the proper operation of the tailgate while maintaining the factory Ford design. Its original origin, fitment to the rear of the vehicle, and functionality in accordance with the manufacturer's specifications make it a reasonable choice for trunk locking system repairs.