Audi A3 8V Rear Door Lock Actuator Assembly Left N/S 4G0839015C

Audi A3 8V Rear Door Lock Actuator Assembly Left N/S is an original component from the Locks and latches group, designed for the rear left side of the vehicle body. It ensures precise cooperation with the factory door mechanism, guaranteeing secure locking, proper handle operation, and stable closing of the door panel in your Audi.

Specifications and technical data

• SKU: 4G0839015C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0839015C
• Substitutable numbers: 4G0839015C, 4G0 839 015 C
• Location on the vehicle: Rear, Left
• Category: Exterior Locks & Lock Hardware

Purpose and function of the lock

The presented lock is dedicated for installation in the rear left part of the body, which allows for maintaining the correct door operation geometry and compliance with the factory locking system. The component is responsible for mechanically locking and unlocking the door, cooperating with the external and internal handles, and properly keeping the door panel in the closed position while driving.

Thanks to a design consistent with the solutions used by Audi, the lock maintains appropriate rigidity, resistance to operational loads, and stable performance under typical passenger vehicle usage conditions.

Benefits of using an original Audi lock

Using a factory lock in the Audi A3 8V translates into a number of practical advantages in daily operation:

• maintaining the original characteristics of the handle and locking mechanism operation,
• proper fit to the door structure and body pillar,
• consistency with factory passive safety solutions,
• reducing the risk of play, rattling, and improper door closing.

For the user, this means more predictable door behavior, comfortable closing, and stable retention of the door panel while driving, without the need for additional modifications or adjustments.

Installation and operational characteristics

The lock is intended for installation in the rear left part of the body, which facilitates the identification of the correct mounting location and minimizes the risk of error when selecting the component. The design intended for the Audi A3 8V allows for installation in place of the factory element, while maintaining the existing mounting geometry and routing of rods and cables.

Used condition means that the element comes from disassembly, which in practice allows for maintaining a favorable cost-to-quality ratio while keeping the manufacturer's original specifications. This is a particularly attractive solution for post-accident repairs or maintenance service, where both functionality and a reasonable budget matter.

Application in service practice

Replacing the rear left lock is recommended in situations where problems with door closing, unstable locking, or improper cooperation with the handle occur. By choosing Audi A3 8V Rear Door Lock Actuator Assembly Left N/S, you receive an element designed for a specific model, which facilitates service work and shortens repair time.

If you are planning a comprehensive repair or modernization of the side body area in your Audi and need other elements from the same group, such as locking mechanisms, cylinders, or control elements, check the available parts in the Audi Locks and latches category.

Why choose a used OEM part

In the case of elements such as door locks, using a used OEM component often ensures a better fit and more predictable operation than many aftermarket replacements. You receive a part designed specifically for a given model, maintaining the original design and operating parameters.

If you want to consciously compare the advantages of a used factory element with the offer of replacements and learn about practical selection criteria, it is worth reading the material: 5 reasons why a used OEM part is a better choice than a replacement.