Ford Transit Connect Mk1 Door Lock Cylinder Switch Front Left N/S 4425131

Ford Transit Connect Mk1 Door Lock Cylinder Switch Front Left N/S is an original component from the Locks and latches group, designed to control the lock in the front left door. Thanks to its factory design, it ensures proper cooperation with the vehicle's electrical system and maintains the ergonomics of operating the lock from the driver's side.

Specifications and technical data

• SKU: 4425131
• Mark: Ford
• Condition: Used
• OEM Part Number: 4425131
• Substitutable numbers: 4425131, 2T1A-V220K51-BB, 2T1AV220K51BB
• Location on the vehicle: Front, Left
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The switch is designed for installation in the front left door area, where it is responsible for the electrical control of the locking mechanism. The location on the vehicle, defined as front – left side, means that the component works with the factory wiring and body modules, which facilitates diagnostics and subsequent service maintenance.

Using an original switch in this location allows for maintaining the correct operation logic of the central locking system, signal consistency in the installation, and the proper response of the locks to the driver's commands. This is particularly important in commercial vehicles, where the reliability of access to the cargo area and the cabin has a direct impact on daily operation.

Construction and fitment for Ford Transit Connect Mk1

The switch has been developed specifically for the first-generation Ford Transit Connect model, which translates into a proper fit of the shape, mounts, and electrical connectors. This means that the component integrates with the factory door panel without the need for modifications or the use of additional adapters.

Thanks to the design compliant with the manufacturer's standards, the following are maintained:

• correct position of the button relative to the door handle,
• proper seating depth in the upholstery,
• stable connection with the door wiring harness.

Such fitment reduces the risk of looseness, malfunction, or damage resulting from mechanical stress during repeated opening and closing of the door.

Benefits of using an original switch

Using a lock switch dedicated to the Ford Transit Connect Mk1 allows for maintaining the consistency of the vehicle's locking system. The original design promotes stable operation in the typical conditions of a commercial vehicle, where doors are used intensively.

Key advantages include, among others:

• compatibility with the factory locking system – no need for installation modifications,
• ergonomic position of the control element in the driver's door,
• visual consistency with other interior components.

A component from the Locks and latches group of this type is particularly useful when replacing a damaged switch after a mechanical or electrical failure, as well as when restoring full door functionality after body and paint repairs.

Condition and service application

The front left door lock switch is a used component, which makes it an attractive solution for service repairs where a reasonable cost is important while maintaining the original design. This type of component will work well both in workshops specializing in the maintenance of commercial vehicles and for individual users who service their cars themselves.

Replacing the switch is a typical service operation in the door zone, most often performed in the event of symptoms such as the lock not responding to the button signal, unstable operation, or mechanical damage to the housing. Using the correct component allows for restoring the proper operation of the system without interfering with other door components.

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

For users interested in the wider use of dismantled parts in vehicle modernization projects, including in the area of mechanics and body equipment, an article describing the practical applications of such components may be helpful – you can find it here: Emotions and design – visual and mechanical tuning of a Seat using dismantled components.