Audi A3 8P Door Lock Rear Latch Catch Actuator Right O/S 4F0839016

Audi A3 8P Door Lock Rear Latch Catch Actuator Right O/S is an original component from the Locks and latches group, designed for the precise operation of the locking mechanism in the rear right door. This used actuator ensures a factory-fit for installation in Audi vehicles, maintaining the correct mounting geometry and compatibility with the factory central locking system. It is a practical solution for users looking for a proven component with a design compliant with manufacturer standards.

Specifications and technical data

• SKU: 4F0839016-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0839016
• Substitutable numbers: 4F0839016, 4F0 839 016
• Location on the vehicle: Rear, Right
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the actuator

The door lock actuator in the rear right door is responsible for the mechanical locking and unlocking of the door panel in response to a signal from the central locking system or the door handle. This component works with the rods, lock cylinder, and body electronics, ensuring:

• proper door locking while driving and when parked,
• consistent operation with other locks in the vehicle,
• stable mechanism performance in daily use.

Thanks to its dedicated placement in the rear right part of the body, the actuator is structurally matched to the geometry of the Audi A3 8P door, which facilitates installation and reduces the need for additional modifications.

Construction and fitment for Audi

The offered lock actuator has been designed specifically for the Audi platform, which translates into compliance with factory mounting points and proper connection to the vehicle's electrical harness. The construction includes an integrated locking mechanism and an electric drive that:

• transfers movement to the lock tongue in a repeatable and stable manner,
• provides adequate closing force under typical operating conditions,
• maintains cooperation with the central locking system and vehicle security features.

Such a solution allows for maintaining consistent operation of all doors, which is important both from the point of view of comfort and user safety.

Condition of the component and benefits of use

The actuator comes from the secondary market, which makes it an attractive alternative to new sub-assemblies while maintaining the original manufacturer's specification. Choosing a used component of this class allows you to:

• reduce repair costs while maintaining factory fitment,
• avoid problems typical of replacements with uncertain geometry,
• maintain consistent operation of the lock system throughout the vehicle.

For workshops and individual users, this means a simpler service process and a lower risk of needing to disassemble the part again in case of incompatibility.

Application in service practice

Replacing the lock actuator in the rear right door is recommended in situations where there are problems with locking, no response to remote control commands, or improper cooperation with other doors. Using an original component from the Locks and latches group allows you to restore:

• proper operation of the central locking system in the entire vehicle,
• convenience of operating the rear passenger door,
• consistency of the body security system operation.

Due to its dedicated placement in the rear right part of the vehicle, the actuator is intended for installation exactly in this area, which minimizes the time required for adjustment and alignment.

Expanding the lock system in Audi

If you are planning a comprehensive repair or upgrade of the door lock zone in your Audi and need other elements from the same group, such as locking mechanisms, cylinders, or additional drives, check the available parts in the Audi Locks and latches category.

When planning larger service or tuning projects where you use secondary market elements, it is worth familiarizing yourself with practical tips regarding component selection – you will find them in the article Buying used car parts – the most common mistakes when choosing parts for tuning, which helps to consciously approach the selection of used sub-assemblies.