Ford Focus Mk3 Front Door Lock Catch Handle Mount Left N/S BM5A-A21813-DG

Ford Focus Mk3 Front Door Lock Catch Handle Mount Left N/S is an original component from the Locks and Latches group, designed for the front left door of the Ford Focus Mk3. It enables secure mounting of the door handle and ensures proper cooperation with the lock mechanism, which translates into safe and predictable door operation during daily use.

Specifications and technical data

• SKU: RHD-BM5A-A21813-DG-2
• Mark: Ford
• Condition: Used
• OEM Part Number: BM5AA21813DG
• Substitutable numbers: BM5A-A21813-DG, BM5AA21813DG, 2759553, BM5A-A21813-DH, BM5AA21813DH
• Location on the vehicle: Front, Left
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and vehicle placement

The presented lock and handle mounting bracket is designed for installation in the front left door of the vehicle. It is responsible for the stable seating of the handle and proper guidance of the locking elements, which is crucial for the correct opening and closing of the door on the driver's or passenger's side – depending on the vehicle configuration. Precise fitment to the Ford Focus Mk3 door structure allows for maintaining factory mounting geometry, minimizing the risk of looseness, rattling, or improper operation of the lock mechanism.

Technical and functional characteristics

As an original Ford brand component, the lock and handle mounting bracket works with the factory locking mechanism and the stock exterior door handle. The design provides for proper routing of rods or cables and stable support for the forces acting during the opening and closing of the door. This solution ensures:

• precise transmission of handle movement to the lock mechanism,
• stable maintenance of the lock position relative to the door panel,
• reduction of stress within the door sheet metal due to proper force distribution,
• maintenance of consistent lock operation over a long period of use.

Component condition and benefits of using a used part

The offered lock and handle mounting bracket belongs to the used parts group, which allows for combining reasonable repair costs with maintaining the manufacturer's original design. This type of component, when installed correctly, can effectively restore proper door operation after mechanical damage, collision, or wear of the previous mount. The use of an original used component is particularly beneficial where maintaining factory fitment is important, while simultaneously limiting costs compared to new subassemblies.

Selection, compatibility, and reference numbers

For the correct selection of parts for a specific Ford Focus Mk3, it is worth paying attention to the manufacturer's markings and reference numbers assigned to this bracket. The presence of the OEM number and interchangeable numbers facilitates verification of compatibility with your vehicle, especially when comparing it with the element removed from the door. In case of doubt, a good solution is to compare the markings with the vehicle data (model, generation, installation side) and consult a mechanic or technical advisor, which will help avoid installation problems and ensure proper lock operation after replacement.

Application in the Ford lock and latch system

The lock and handle mounting bracket is part of a larger system responsible for locking and unlocking the door. It works with the lock, handle, rods, and any central locking control elements, so its condition has a direct impact on the comfort of door operation and the safety of using the vehicle. If you are planning a comprehensive repair or modernization of the door area in your Ford and need other elements from the same group, such as lock mechanisms, latches, or handle mounts, check the available parts in the Ford Locks and Latches category.

Practical installation and maintenance tips

When replacing the lock and handle mounting bracket, it is recommended to thoroughly clean the contact surfaces in the door and check the condition of the cooperating elements – especially the lock, handle, and rods. Careful installation, maintaining the correct sequence of removing and installing the door panel, will help avoid later problems with closing, noise, or improper operation of the central locking system. For users interested in a broader look at the operation and selection of vehicle components, a guide on gearboxes – design differences, typical faults, and purchasing used components, available in the article Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox, may be helpful.