Audi A3 8P A6 C6 Door Lock Rear Left N/S Latch Catch Actuator 4F0839015

Audi A3 8P A6 C6 Door Lock Rear Left N/S Latch Catch Actuator is an original component from the Locks and Latches group, designed for installation in the rear left door of the vehicle. It ensures proper interaction between the locking mechanism, the handle, the latch, and the electrical system, resulting in secure and stable door closing. This used OEM component is a sensible choice for workshops and users looking for a proven, factory-standard solution.

Specifications and technical data

• SKU: 4F0839015-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0839015
• Substitutable numbers: 4F0839015, 4F0 839 015
• Location on the vehicle: Rear, Left
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function of the door lock

The presented lock is dedicated to the rear left side of the vehicle body, where it is responsible for the mechanical locking and releasing of the door during opening and closing. A correctly selected lock guarantees:

• stable retention of the door in the closed position while driving,
• proper interaction with the internal and external handle mechanism,
• correct response to signals from the central locking system,
• maintenance of factory clearances and closing geometry.

Thanks to its fitment for a specific vehicle location, the installation process is straightforward, with no need for modifications to the mounts or the door casing.

Benefits of using an original Audi lock

The original door lock designed for Audi A3 8P and A6 C6 models ensures factory-fitment to the door structure, which minimizes the risk of closing issues or improper central locking operation. A component from the same group as the one installed on the production line allows for maintaining:

• consistency with the existing electrical installation and control system,
• proper interaction with the locking and latching mechanisms,
• repeatability of the mechanism's operation under various operating conditions.

Choosing a used OEM element is often cost-effective while maintaining the original technical specification and compatibility with the vehicle body.

Vehicle placement and installation aspects

The lock has been designed for installation in the rear left part of the body, meaning its geometry, mounting points, and the way it interacts with rods and wiring harnesses are adapted to this specific position. With correct selection for the vehicle model, the installation comes down to:

• removing the door trim and disconnecting the existing lock,
• transferring the mounts and connecting the electrical harness,
• adjusting the position to achieve smooth closing.

Such a solution allows for maintaining the consistent operation of the entire locking system on the driver's or rear passenger's side, depending on the vehicle configuration.

Professional selection and safe purchase of a used component

When selecting a door lock for an Audi, it is worth paying attention to compatibility with the specific body version and vehicle equipment. It is helpful to compare the markings with the removed part and verify the placement on the vehicle. For users who want to organize the repair of the locking system in one stage, it is crucial to use parts from the same functional group, which allows for maintaining the consistency of the central locking and door mechanics.

If you want to better prepare for purchasing a used door lock and other body components online, it is worth using practical tips regarding the verification of markings, the condition of the element, and matching it to a specific model – this is discussed in detail in the guide Safe purchase of used car parts online – a step-by-step guide.

Expanding repairs within the Audi locking system

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