Audi Q3 8U Rear Door Lock Mechanism Actuator Lock Catch Right O/S 4G0839016

Audi Q3 8U Rear Door Lock Mechanism Actuator Lock Catch Right O/S is an original component from the Locks and Latches group, designed for the rear right side of the vehicle body. It ensures the proper operation of the door locking and unlocking mechanism, which translates into safe vehicle use and stable compatibility with Audi's factory electronics.

Specifications and technical data

• SKU: 4G0839016-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0839016
• Substitutable numbers: 4G0839016, 4G0 839 016
• Location on the vehicle: Rear, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function of the door lock

The presented lock is dedicated to installation in the rear right part of the Audi Q3 8U body. It is responsible for the mechanical locking of the door, interaction with the door handle, and integration with the vehicle's central locking and security systems. Thanks to the factory design, the correct geometry of the latch operation is maintained, which reduces the risk of the door not closing properly or developing play during operation.

The component has been designed for a specific model, which facilitates installation and allows for maintaining the original operating parameters of the locking system. This is particularly important when replacing a damaged lock after a collision, due to wear and tear, or when experiencing issues with door closing.

Construction and fitment for Audi Q3 8U

The door lock utilizes factory mounting points in the door, ensuring that installation is straightforward and does not require bodywork modifications. The construction is prepared for compatibility with the original wiring harness and factory door handles, allowing for the preservation of the functionality of the central locking and any comfort systems provided for the specific vehicle.

The placement on the vehicle, defined as rear right, facilitates clear identification of the part during selection and installation. This minimizes the risk of errors during purchase and shortens repair time in the workshop.

Component condition and service application

The offered lock comes from the used Audi parts segment, which allows for economical repair while maintaining the manufacturer's original design. This type of solution is often chosen by professional service centers when priority is given to compliance with the factory design and optimization of vehicle maintenance costs.

Replacing the rear right door lock is recommended in case of problems with locking, lack of response to the central locking signal, latch jamming, or mechanical damage following external interference. Using an original solution helps restore proper door operation without compromising safety and comfort.

Benefits of using an original lock

Using a factory lock in the Audi Q3 8U ensures:

• consistency with the door structure and factory mounting points,
• proper cooperation with the central locking and electrical installation,
• stable latch operation during daily vehicle use,
• reduction of the risk of problems with closing and locking the door after repair.

As a result, the driver receives a solution consistent with the manufacturer's specifications, and the service process remains predictable and repeatable.

Related items from the Audi locks and latches group

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

Practical service tips

When replacing the rear right door lock, it is worth paying attention to the condition of the guides, handles, and door seals to avoid the need for re-disassembly in the near future. It is also recommended to check the correct operation of the central locking after installation and to perform a functional test using the remote control and buttons inside the vehicle.

In the case of more complex vehicle system repairs, especially in the powertrain area, a specialized guide may be helpful. You can find more practical information in the article: How to buy a used car engine and avoid a bad deal – a step-by-step guide.