Ford Focus St-3 Mk3 Trunk Boot Lid Tailgate Lock Latch Release BM51-A442A66-BD

Ford Focus St-3 Mk3 Trunk Boot Lid Tailgate Lock Latch Release is a component from the Locks and latches group, designed for precise integration with the factory tailgate mechanism in the sporty ST-3 version. It enables secure closing and unlocking of the trunk lid, ensuring the proper operation of the locking system and comfort in daily vehicle use.

Specifications and technical data

• SKU: BM51-A442A66-BD
• Mark: Ford
• Condition: Used
• OEM Part Number: BM51-A442A66-BD
• Substitutable numbers: BM51-A442A66-BD, BM51A442A66BD, 1930056
• Part type: Tailgate Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the trunk lid lock

The trunk lid lock in the Ford Focus St-3 Mk3 is responsible for mechanically locking and releasing the trunk lid, working in conjunction with rods, actuators, and the vehicle's electrical control system. A correctly selected component from this group guarantees:

• stable retention of the tailgate in the closed position while driving,
• proper operation of the opening mechanism from both the outside and inside,
• maintenance of the rear bodywork's seal in terms of closure. The version dedicated to the ST-3 Mk3 variant allows for the preservation of the factory operating parameters of the locking system, which is essential for both the safety of transported cargo and the comfort of vehicle use.

Benefits of using an original Ford lock

Using a trunk lid lock from the Ford range allows you to maintain the structural integrity of the rear bodywork. The original component from the Locks and latches group ensures:

• fitment to factory mounting points without the need for modifications,
• proper cooperation with the existing handle and rod mechanism,
• compliance with factory tolerances for lock and latch operation. As a result, installation is straightforward, and the risk of problems with closing or accidental opening of the tailgate while driving is minimized.

Characteristics of the used component

The offered trunk lid lock is a used component, which is a cost-effective solution for users looking for a technically sound part within a reasonable budget. This type of part allows you to:

• replace a damaged or worn lock without the need to invest in a new assembly,
• maintain compliance with the vehicle's original specifications,
• reduce repair costs while maintaining the functionality of the locking system. Choosing a used lock is particularly rational in the case of post-accident or maintenance repairs, where the priority is to restore full functionality of the tailgate at controlled service costs.

Selection and application in service practice

When selecting a trunk lid lock for the Ford Focus St-3 Mk3, it is crucial to match it to the specific body version and model year so that the mechanism works with the existing opening and locking system. In service practice, such an element is used, among other things, in cases of:

• mechanical damage to the lock following a rear-end collision,
• problems with closing or locking the trunk lid,
• operational wear of the locking mechanism. Professional installation allows for the restoration of proper tailgate operation, eliminating play, rattling, and incorrect locking, which translates into more comfortable and predictable trunk handling. 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. If you want to better plan your service budget and learn practical ways to reduce costs during body and mechanical repairs for vehicles of this brand, it is worth checking out the guide Economical Ford maintenance – where to find the greatest savings on mechanical and bodywork repairs.