Ford Mondeo Mk4 Fuel Flap Door Actuator Motor Central Locking 6M21-220A20-AD

Ford Mondeo Mk4 Fuel Flap Door Actuator Motor Central Locking is an original component from the Fuel filler flaps and accessories group, designed to control the locking mechanism of the fuel filler flap in this model. It ensures the flap opens and closes correctly, which translates into safe operation of the fuel system and convenience in everyday vehicle use. This is a practical solution for drivers who want to restore the factory performance of the mechanism without the costly replacement of the entire assembly.

Specifications and technical data

• SKU: 6M21-220A20-AD
• Mark: Ford
• Condition: Used
• OEM Part Number: 6M21-220A20-AD
• Substitutable numbers: 6M21-220A20-AD, 6M21220A20AD, 1522345
• Category: Fuel Flaps & Components

Purpose and function of the actuator

The actuator is responsible for the mechanical locking and unlocking of the fuel filler flap in the Ford Mondeo Mk4, working in conjunction with the vehicle's central locking system. A properly functioning component eliminates the problem of the flap opening on its own or the inability to unlock it during refueling. Thanks to the use of a solution consistent with the factory body design, the tightness of the fuel filler area and the correct operation of the locking system are maintained.

Construction and fitment for Ford Mondeo Mk4

The actuator has been designed specifically for the body geometry of the fourth-generation Mondeo, which results in:

• secure mounting in the original installation points,
• proper guidance of the rod or pin locking the flap,
• compatibility with the vehicle's electrical system,
• consistency with the factory central locking system.

As a result, the installation process is straightforward, without the need for bodywork or wiring modifications. Original origin from the Ford brand helps maintain factory operating parameters and minimizes the risk of fitment issues.

Benefits of using an original actuator

Using this component allows you to restore the full functionality of the refueling area. In practice, this means:

• stable locking of the flap while parked,
• easy unlocking when the central locking is disengaged,
• reduced risk of damage to the flap and hinge resulting from attempts to open it manually when the actuator is faulty,
• maintaining the aesthetics and consistency of the bodywork without visible modifications.

This solution is particularly beneficial for post-accident repairs, mechanical damage, or electrical failures within the fuel filler flap area, when maintaining the factory standard of operation is a priority.

Condition of the component and installation aspects

The offered actuator comes from disassembly and is a used part, which allows for optimizing repair costs while maintaining the original design. Before installation, it is recommended to verify its proper operation in the vehicle and check the electrical harness and connection socket. In most cases, the installation is close to plug-and-play, provided that the body generation and locking system are compatible.

Fuel system operation – practical knowledge

When replacing the actuator, it is worth paying attention to the general condition of the refueling area: seals, flap hinge, filler neck, and fuel system components. For drivers who want to approach the topic comprehensively, we recommend our article on the construction, diagnostics, and operation of the fuel system, injectors, pumps, and fuel tank, which discusses practical aspects of selecting parts by OEM numbers and the principles of proper regeneration.

If you are planning a more extensive repair of the refueling area or need other elements from this group, also check our category Fuel filler flaps and accessories to select compatible components for your Ford.