Ford Focus Mk2 Rear Boot Lid Tailgate Lock Latch Catch 3M51-R404B12

Ford Focus Mk2 Rear Boot Lid Tailgate Lock Latch Catch is a component from the Locks and latches group, responsible for the secure and stable closing of the tailgate in your vehicle. This used, original Ford component ensures proper cooperation with the tailgate mechanism and the vehicle's electrical system, which translates into reliable locking and correct operation of the central locking system.

Specifications and technical data

• SKU: 3M51-R404B12-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: 3M51-R404B12-AC
• Substitutable numbers: 3M51-R404B12-AC, 3M51R404B12AC
• Location on the vehicle: Rear
• Part type: Boot Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The rear tailgate lock in the Ford Focus Mk2 is responsible for the mechanical locking of the tailgate and its release when opening. Located in the rear of the vehicle, it works with the rods, the external handle, and – depending on the car's configuration – the central locking system.

A properly functioning tailgate lock:

• ensures stable closing of the trunk while driving,
• eliminates unwanted play and rattling in the rear part of the body,
• enables the correct operation of the vehicle's locking system,
• contributes to the safety of the transported cargo.

Construction and compatibility

The presented lock belongs to the Locks and latches group and is structurally adapted to the tailgate of the Ford Focus Mk2. As a component sourced from dismantling, it retains the factory mounting geometry and the correct contact points for the rods and the tailgate catch, which facilitates installation in place of a worn or damaged lock.

The original origin from the Ford range helps to maintain:

• proper fitment with the tailgate sheet metal and the striker,
• correct operation of the locking mechanism,
• compliance with factory settings and adjustments.

Benefits of using an original lock

Using a used, original tailgate lock in a Ford Focus Mk2 is a reasonable compromise between cost and functionality. Compared to aftermarket replacements, a component from the same production line as the vehicle's factory equipment allows for maintaining structural consistency and predictable mechanism operation.

Key advantages include:

• factory fitment to the tailgate and body of the Focus Mk2,
• preservation of the original operating characteristics of the locking mechanism,
• easier installation due to compatibility with existing mounting points.

Installation area and service aspects

The location of the lock in the rear of the vehicle means it is exposed to changing weather conditions, moisture, and mechanical stress resulting from frequent opening and closing of the tailgate. Replacing a worn element with a functional one from the same design group allows for restoring proper trunk closing and reducing the risk of the tailgate opening accidentally while driving.

During installation, it is worth paying attention to:

• correct alignment of the lock relative to the striker,
• the condition of the rods and the external handle,
• correct connection of any electrical connectors, if present in the specific vehicle configuration.

If you are planning a comprehensive repair or modernization of the tailgate locking area in your Ford and need other elements from the same group, such as locking mechanisms, cylinders, or additional security features, check the available parts in the Ford Locks and latches category.

If you are interested in a broader context of using used components in the automotive industry, including their impact on repair costs and vehicle modification possibilities, it is worth reading the article Audi on second-hand parts – tuning and repairs without losing quality, which discusses a practical approach to using second-hand components.