Ford Focus Mk3 Bootlid Tailgate Lock Boot Release Latch BM51-A442A66-BD

Ford Focus Mk3 Bootlid Tailgate Lock Boot Release Latch is a component from the Locks and latches group, responsible for securely closing and stably locking the tailgate in your vehicle. The offered component comes from a Ford brand vehicle and is designed for use in the tailgate, ensuring the correct positioning of the lid and proper cooperation with the opening mechanism.

Specifications and technical data

• SKU: BM51A442A66BD
• Mark: Ford
• Condition: Used
• OEM Part Number: BM51A442A66BD
• Substitutable numbers: BM51A442A66BD, BM51-A442A66-BD
• Part type: Tailgate Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the tailgate lock

Ford Focus Mk3 Bootlid Tailgate Lock Boot Release Latch is responsible for mechanically locking the tailgate and unlocking it during opening. A properly functioning lock:

• keeps the tailgate in a stable position while driving,
• ensures the trunk closes properly without any play or rattling,
• works with rods, the external handle, or the internal opening button,
• affects acoustic comfort and the sealing of the rear part of the body. Selecting the right lock from the Locks and latches group is important for the safety of transported cargo and the durability of body components in the rear area.

Construction and compatibility in the locking system

The presented lock is structurally prepared for installation in the tailgate of a third-generation Ford Focus, maintaining factory mounting points. This means the component can be fitted into existing mounting holes and works with the original opening and locking mechanism. The element belongs to the Locks and latches group, making it adapted to work in variable operating conditions – during repeated opening and closing cycles of the tailgate, exposure to vibrations, and typical loads resulting from trunk usage.

Condition of the element and installation aspects

The offered tailgate lock is in used condition, which allows for an economical replacement of a damaged or worn part while maintaining the original design. Before installation, it is recommended to perform a standard check of the locking mechanism, the freedom of movement of the latches, and the correct cooperation with the rods and handle. In practice, installation usually consists of:

• removing the internal tailgate cover,
• disconnecting the rods or cables leading to the lock,
• unscrewing the mounts and replacing the element with a functional one,
• adjusting the position of the lock relative to the striker in the body to achieve smooth closing.

Why it is worth using an original Ford lock

Using a lock from a Ford allows you to maintain factory fitment to the tailgate and predictable mechanism operation. The original design ensures compatibility with the body geometry, which facilitates adjustment and reduces the risk of leaks or improper closing. For the user, this means:

• stable locking of the tailgate while driving,
• repeatable, predictable trunk opening,
• reduction of unwanted noises from the rear of the vehicle.

Expanding the locking system in a Ford

If you are planning a comprehensive repair or upgrade of the rear body area in your Ford and need other elements from the same group, such as locking mechanisms, strikers, or tailgate actuators, check the available parts in the Ford Locks and latches category.

Safe selection of used body components

When choosing used body components, such as tailgate locks, it is worth knowing the basic criteria for assessing their technical condition and purchase profitability. If you want to better understand when used parts are a reasonable choice and when it is better to opt for other solutions, check out our guide: Renovation and repair of German cars – which used parts are worth buying and which should be avoided?.