Ford Transit Custom Trunk Tailgate Rear Door Lock Latch Catch BK21-V441A07-AC

Ford Transit Custom Trunk Tailgate Rear Door Lock Latch Catch is a component from the Locks and Latches group, responsible for the secure closing and stable retention of the rear doors in the vehicle. The precisely selected geometry of the catch ensures proper cooperation with the lock mechanism, which translates into safe use of the cargo area. Using an original component is a sensible choice for bodywork maintenance when fitment and functionality are a priority.

Specifications and technical data

• SKU: BK21-V441A07-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: BK21-V441A07-AC
• Substitutable numbers: BK21-V441A07-AC, BK21V441A07AC, 1796906
• Location on the vehicle: Rear
• Part type: Tailgate Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented catch is designed for installation in the rear part of the body, where it works with the rear door lock. It is responsible for:

• stable positioning of the door wings during closing,
• secure locking of the lock mechanism,
• reducing play and unwanted door vibrations while driving.

Thanks to the correct working profile, the catch allows for maintaining tightness and the correct door line, which is important for both acoustic comfort and protection of the cargo area.

Benefits of using an original Ford component

Using an original lock catch in a Ford Transit Custom provides a number of practical service benefits:

• Factory fitment – maintaining the correct door position without the need for modifications or adjusting mounting holes.
• Consistency with other locking system components – proper cooperation with the lock, hinges, and seals.
• Reducing the risk of premature lock wear due to the appropriate shape of the mating surfaces.

Using an original component allows you to maintain the functionality of the locking system at controlled repair costs, which is particularly important in heavily used commercial vehicles.

Placement and installation aspects

The catch operates in the rear zone of the body, in the immediate vicinity of the door edge. When replacing, it is worth paying attention to:

• the condition of the mounting surface on the body (no deformations or corrosion),
• correct alignment relative to the lock to avoid excessive force needed for closing,
• even tightening of the mounting bolts, which affects the durability of the connection.

After installation, it is recommended to check the door operation several times – both with gentle and firmer closing – to ensure that the locking proceeds smoothly and without jamming.

Application in service practice

Replacing the rear door lock catch is a typical operation for:

• wear or degradation of working surfaces,
• mechanical damage after a collision or door overload,
• problems with closing, knocking, or play in the rear part of the body.

Selecting a component consistent with the manufacturer's markings facilitates identification by OEM number and interchangeable numbers, which minimizes the risk of ordering errors and shortens vehicle downtime in the workshop.

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

To better choose a service strategy and decide when it is worth opting for a used part, a new replacement, or a factory part, the Global Parts guide will be helpful: Original, replacement, or used – which car parts are the most cost-effective?.