Volkswagen Passat B7 Fuel Filler Flap Lock Actuator Motor 3AA810773

Volkswagen Passat B7 Fuel Filler Flap Lock Actuator Motor is a precision component from the Fuel filler flaps and accessories group, responsible for securely locking and unlocking the fuel flap during refueling. The original Volkswagen design ensures proper integration with the vehicle's electrical system and correct operation of the locking mechanism in daily use.

Specifications and technical data

• SKU: 3AA810773
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3AA810773
• Substitutable numbers: 3AA810773, 3AA 810 773
• Part type: Fuel Door Lock
• Category: Fuel Flaps & Components

Function and role of the fuel filler flap actuator

The fuel filler flap actuator in the Passat B7 is responsible for the controlled locking of access to the fuel filler, synchronized with the vehicle's central locking system. A properly functioning component:

• prevents the flap from opening accidentally while driving,
• limits the risk of unauthorized access to the fuel filler,
• eliminates the need for manual locking by working with the factory lock control.

This keeps the refueling system sealed and organized, while making vehicle operation convenient and predictable.

Why choose an original Volkswagen component

The original actuator designed for the Passat B7 is engineered for specific body mounts and electrical system parameters. This translates into:

• a stable fit to the mounting socket in the wheel arch or fuel filler area,
• the correct pin travel, ensuring the flap closes securely,
• compatibility with the factory central locking controller.

Choosing an original solution reduces the risk of issues with mounting clearances, mechanism jamming, or improper operation in low temperatures. This is particularly important in daily use, where the fuel filler flap is used regularly.

Condition of the component and installation aspects

The presented actuator is a used part, which allows for an economical repair of the flap opening system while maintaining the original Volkswagen design. Before installation, it is recommended to:

• check the condition of the electrical wiring in the fuel filler area,
• verify the operation of the flap for any mechanical resistance,
• inspect the correct seating of seals and guides.

A correctly installed actuator works with the existing central locking system, restoring the convenience of fuel filler operation without the need for system modifications.

Integration with the fuel system and diagnostics

Although the flap actuator is not a hydraulic component, it has a direct impact on the comfort of operating the fuel system. In case of problems with opening the flap, it is worth performing simple diagnostics:

• check the actuator's response to locking and unlocking the central locking,
• assess whether the flap is blocked by dirt or deformation,
• verify if there are any power interruptions in the wiring leading to the actuator.

For those who want to better understand the dependencies within the fuel system, the selection of components by factory numbers, and operating principles, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Expanding fuel filler zone maintenance in Volkswagen

If you are planning a comprehensive repair or upgrade of the fuel filler zone in your Volkswagen and need other elements from the same group, such as flaps, hinges, or additional security accessories, check the available parts in the Volkswagen fuel filler flaps and accessories category.

Summary

Volkswagen Passat B7 Fuel Filler Flap Lock Actuator Motor is a practical solution for users who want to restore the correct operation of the flap opening and closing mechanism without sacrificing the original design. The used component allows for a rational reduction in repair costs while maintaining factory fitment to the body and electrical system, which contributes to trouble-free vehicle operation.