Ford Mondeo Mk4 IV Rear Tailgate Boot Lock Latch Striker Catch 3M51R404B12

Ford Mondeo Mk4 IV Rear Tailgate Boot Lock Latch Striker Catch is a component from the Locks and latches category, responsible for securely closing and locking the tailgate. A properly selected lock ensures the trunk lid is held correctly, eliminates unwanted play, and improves the comfort of daily vehicle use. It is a practical solution for users who want to restore the full functionality of the rear body section without costly structural modifications to the car.

Specifications and technical data

• SKU: 3M51-R404-B12
• Mark: Ford
• Condition: Used
• OEM Part Number: 3M51-R404-B12
• Substitutable numbers: 3M51-R404-B12, 3M51R404B12, 1741022
• Location on the vehicle: Rear
• Part type: Tailgate Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented tailgate lock is designed for installation in the rear body section of the Ford Mondeo Mk4. It is responsible for:

• mechanically locking the trunk lid after it is closed,
• working with the tailgate opening mechanism from the outside or inside,
• maintaining a stable position of the tailgate while driving, including on uneven surfaces.

Thanks to the proper design of the striker and latch, the trunk lid remains securely closed, which reduces vibrations, noise, and the risk of accidental opening while driving.

Construction and functional features

The element combines the function of a striker and a lock, creating a cohesive locking mechanism. This solution allows for:

• precise guidance of the tailgate in the final closing phase,
• proper engagement with the mating component in the body,
• stable operation under typical passenger vehicle operating conditions.

As a part from the Locks and latches category, the tailgate lock is an essential component of the body locking system, affecting the convenience of using the trunk and the overall level of security for transported cargo.

Benefits of using an original Ford component

Using an original solution dedicated to the Ford Mondeo Mk4 allows for maintaining the factory fit of the tailgate to the body and proper cooperation with other components of the locking system. The most important advantages include:

• maintaining the correct mounting geometry in the rear of the vehicle,
• compatibility with factory guides, hinges, and tailgate seals,
• reducing the need for additional modifications during installation.

A well-chosen tailgate lock helps eliminate problems with the trunk not closing properly, the need to slam the lid hard, or the appearance of play after closing.

Installation area and service aspects

The element is intended for installation in the rear of the vehicle, in the area of the trunk lid. Replacing the lock is a typical service operation performed in the event of:

• wear of the latch mechanism,
• mechanical damage following a rear-end collision,
• problems with keeping the tailgate in the closed position.

In most cases, installation involves removing the internal tailgate trim, disconnecting the old lock, and installing the new one at the existing mounting points, while maintaining the factory routing of cables or linkages.

Related components and additional information

If you are planning a comprehensive repair or upgrade of the tailgate locking area in your Ford and need other elements from the same group, such as additional latches, soft-close mechanisms, or mating strikers, check the available parts in the Ford Locks and latches category.

When planning broader service work within the body and mechanical systems, it is also worth checking out the guide on the cost-effectiveness of using used parts, such as the article "Used gearbox – when is it worth it and what you need to remember", which discusses a practical approach to selecting parts from the secondary market in terms of durability and repair economy.