Audi R8 42 Spyder Fuel Flap Lock Solenoid Actuator Motor Mechanism 420810773

Audi R8 42 Spyder Fuel Flap Lock Solenoid Actuator Motor Mechanism is a precision component from the Fuel filler caps and accessories category, responsible for the smooth opening and closing of the fuel flap. The original Audi design ensures proper integration with the R8 42 Spyder bodywork and stable operation during daily use.

Specifications and technical data

• SKU: 420810773
• Mark: Audi
• Condition: Used
• OEM Part Number: 420810773
• Substitutable numbers: 420810773, 420 810 773, 420809887, 420 809 887
• Part type: Fuel Door Latch
• Category: Fuel Flaps & Components

Purpose and function in the fuel system

The fuel flap actuator motor in the Audi R8 42 Spyder is responsible for the controlled mechanical-electrical operation of the fuel flap. A properly functioning component:

• ensures secure closing of the flap and protects the fuel filler from contamination,
• enables convenient opening of the flap from inside the vehicle,
• works in harmony with the vehicle's factory security systems.

By maintaining the original geometry and mounting points, the actuator integrates with the bodywork and fuel system without the need for modifications.

Design and fitment for the Audi R8 42 Spyder

The component was designed by Audi specifically for the R8 42 Spyder platform, which translates into a perfect fit with the fuel flap and electrical harness. The actuator design includes:

• a housing adapted to the mounting space in the wheel arch / fuel filler area,
• a drive mechanism that transfers movement to the flap lock,
• an electrical connector compatible with the vehicle's wiring.

This solution allows for installation in the standard location provided by the manufacturer, while maintaining factory mounting points and cable routing.

Benefits of using the original actuator

Using the original fuel flap actuator motor in the Audi R8 42 Spyder provides a number of practical benefits:

• Factory compatibility – maintaining operating parameters in accordance with the vehicle manufacturer's specifications.
• Stable mechanism operation – the correct force and stroke of the actuator reduce the risk of the flap not closing or jamming.
• Consistency with the car's electronics – proper cooperation with the electrical installation and comfort systems.
• Reduced risk of leaks in the fuel filler area due to proper flap closure.

This solution is particularly recommended for post-collision repairs, replacing a damaged mechanism, or restoring full functionality to the fuel filler area.

Condition of the component and installation aspects

The offered fuel flap actuator motor is an aftermarket part, which allows for optimized service costs while maintaining the original Audi design. Before installation, it is recommended to perform a standard verification of the electrical system and the flap mechanism to rule out additional damage in the fuel filler area.

When replacing, it is worth paying attention to:

• correct routing of cables and connectors,
• cleanliness of the mounting sockets,
• smooth operation of the flap itself after installing the actuator.

Fuel filler service expansion and technical knowledge

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Audi and need other elements from the same group, such as flaps, locks, or additional accessories, check out the available parts in the Audi fuel filler caps and accessories category.

For a better understanding of how the entire fuel system works and the impact of the fuel filler condition on vehicle operation, it is worth consulting our technical guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. The article helps organize knowledge about diagnostics, selecting components by catalog numbers, and the principles of proper fuel system maintenance.