Volkswagen Golf Mk7 Polo Mk6 Door Lock Actuator Rear Left N/S 5TA839015D

Volkswagen Golf Mk7 Polo Mk6 Door Lock Actuator Rear Left N/S is an original component from the Locks and Latches group, designed for installation on the rear left side of the vehicle body. It ensures proper operation of the locking mechanism with the door handle, lock cylinder, and the vehicle's electrical system, guaranteeing secure and stable door closure.

Specifications and technical data

• SKU: 5TA839015D-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5TA839015D
• Substitutable numbers: 5TA839015D, 5TA 839 015 D, 5TA 839 015 P, 5TA839015P
• Location on the vehicle: Rear, Left
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented door lock actuator has been designed specifically for the rear left side of the body in Volkswagen Golf Mk7 and Polo Mk6 models. It is responsible for:

• mechanical locking and unlocking of the door from the body side,
• cooperation with the central locking system and remote control,
• correct positioning of the lock tongue relative to the pillar,
• stable retention of the door in the closed position while driving.

Thanks to its precise fit for the specific location in the vehicle, the installation process is straightforward, without the need for modifying mounts or wiring.

Construction and technical fitment

The lock actuator utilizes factory mounting geometry and electrical connectors compatible with the Volkswagen installation. This means that:

• mounting holes align with the factory attachment points in the door,
• the mechanism works with the original exterior and interior door handles,
• the used connector is compatible with the door wiring harness without additional adapters,
• the design is adapted for operation in the rear left body zone.

Such a solution allows for maintaining consistency with the factory locking system and minimizes the risk of closing issues or errors in the convenience system.

Benefits of using an original lock

Using an original door lock in a Volkswagen Golf Mk7 or Polo Mk6 translates into a number of practical advantages:

• High compatibility – the component is designed to work with the factory central locking and vehicle electronics.
• Stable mechanism operation – proper locking reduces door play and unwanted noises while driving.
• Safety of use – correct door closure is essential for passenger protection and securing the vehicle interior.
• Reduced service time – plug-in installation in place of a worn-out lock shortens repair time.

For workshops and individual users, this means a predictable repair result and easier diagnostics of potential faults in the locking system.

Characteristics of the used component

The offered lock is a used component, which allows for an economical repair while maintaining the original Volkswagen construction. This type of part is particularly attractive for older Golf and Polo models, where reasonable service costs are important while maintaining proper functionality. In many situations, a used lock actuator is a technically sound alternative to new components, especially when the priority is to quickly restore door functionality.

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

Practical service tips

When replacing the rear left door lock, it is worth paying attention to:

• the condition of the electrical wiring in the door and the connectors,
• proper routing of the interior and exterior handle cables,
• adjustment of the door position relative to the pillar after installation,
• checking the operation of the central locking system from the remote and the button inside the cabin.

For users who are considering using dismantled parts for a wider range of repairs, the following guide may be helpful – see how to effectively use used parts when servicing older models.