Audi A4 B7 A4 S4 RS4 8H Fuel Filler Flap Lock Mechanism Petrol 8H0862153

Audi A4 B7 A4 S4 RS4 8H Fuel Filler Flap Lock Mechanism is a component from the Interior locks and latches group, responsible for securely locking and unlocking the fuel filler flap in petrol-powered Audi vehicles. It enables the locking mechanism to work correctly with the central locking system, increasing the security of fuel filler access and improving daily convenience. Thanks to its factory design intended for specific Audi models, the actuator ensures a proper fit for the vehicle's installation.

Specifications and technical data

• SKU: 8H0862153
• Mark: Audi
• Condition: Used
• OEM Part Number: 8H0862153
• Substitutable numbers: 8H0862153, 8H0 862 153
• Fuel type: Petrol
• Category: Interior Locks & Lock Hardware

Purpose and function of the fuel filler flap actuator

The fuel filler flap actuator in the B7 generation Audi A4, S4, and RS4 is responsible for the mechanical locking and unlocking of the filler flap in response to a signal from the central locking system. In practice, this means that when the vehicle is locked, the flap is secured, and when unlocked, it is released, which limits the risk of unauthorized access to the petrol filler. This solution is particularly important in daily vehicle use when consistent operation of all body security elements is required.

Thanks to a design tailored to the Audi body system, the actuator works with factory guides, cables, and the wiring harness, which translates into stable long-term operation. A properly functioning actuator eliminates the problem of manually closing or locking the flap and reduces the risk of mechanical damage resulting from improper opening.

Benefits of using an original Audi component

Choosing a fuel filler flap actuator sourced from Audi allows you to maintain the structural consistency of the entire locking system. A component designed by the vehicle manufacturer is matched in terms of geometry, operating stroke, and performance characteristics to the specific flap and lock, which minimizes the risk of it not closing or jamming. The original design also facilitates installation, as it does not require modifications to mounts or the electrical system.

For petrol-powered vehicles, it is particularly important that the fuel filler flap closes in a repeatable and predictable manner. A functional actuator helps maintain the proper seal of the filler area, which is important for both safety and user comfort during refueling.

Operational characteristics and installation

The actuator from the Interior locks and latches group has been designed as a component that works with the factory Audi central locking system. Its design allows for installation in the location provided by the body manufacturer, using original mounting points. As a result, the replacement process is predictable and can be carried out in an orderly manner, without the need for bodywork modifications.

The product is offered in a used condition, meaning it has been removed from a vehicle but retains the functionality necessary for further use. For the user, this means the ability to restore the correct operation of the fuel filler flap mechanism while maintaining reasonable service costs. Selecting a component from the same make and generation of the vehicle reduces the risk of electrical and mechanical compatibility issues.

Application in petrol-powered vehicles

The presented actuator is intended for Audi cars that use petrol fuel. In such designs, it is particularly important that the flap locking system works with the rest of the body in a predictable manner and that access to the filler is only possible after the vehicle has been unlocked. Matching the fuel type allows you to maintain compliance with the manufacturer's factory specifications and avoid unwanted modifications.

If you are planning a comprehensive repair or upgrade of the locks and latches area in your Audi and need other elements from the same group, such as door locking mechanisms, central locking actuators, or lock cylinders, check out the available parts in the Audi interior locks and latches category.

Additional technical support

When selecting aftermarket components such as actuators, locks, or drivetrain parts, it is worth paying attention to their actual condition, operation, and compatibility with the specific vehicle version. Practical guides on evaluating used components and safe purchasing principles can be helpful. To better understand the specifics of second-hand parts and avoid common mistakes when choosing components, it is worth reading the material: Second-hand differential – what you need to know about used differentials, sensors, and drivetrain systems.