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

Audi A3 8P Door Lock Rear Right O/S Latch Catch Actuator is a component from the Locks and Latches group, designed for the rear right side of the vehicle body. It ensures secure door closure, stable locking, and proper integration with the door handle mechanism and the vehicle's electrical system, which directly impacts the comfort and safety of the car.

Specifications and technical data

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

Purpose and function in the vehicle

The presented lock is designed for installation in the rear right part of the Audi A3 8P generation body. It is responsible for the mechanical locking of the door, interaction with the linkages, and maintaining the door in a closed position while driving. As a result, it reduces unwanted play, minimizes noise, and ensures stable door closure during daily use.

This component is particularly important when:

• repairing damage after a collision or interference with the side of the body,
• resolving issues with doors not closing properly or opening spontaneously,
• restoring the correct operation of the central locking system in the rear right zone of the vehicle.

Construction and functional features

The lock has been designed as an integral part of the door locking system, compatible with factory Audi guides, hinges, and handles. The construction provides stable mounting to the door structure and proper alignment of the latch relative to the body pillar, which translates into repeatable, secure closing.

Key advantages of this solution include:

• dedicated fitment for the rear right side of the Audi A3 8P body,
• preservation of the factory geometry of the latch and catch operation,
• possibility of use as a replacement for a worn or damaged lock without the need for structural modifications.

Condition of the component and service application

The offered lock comes from the secondary market, which allows for economical repair while maintaining the manufacturer's original design. It is a solution often chosen by professional workshops, where both fitment for a specific model and optimization of service costs are important.

In practice, this type of part is used, among other things, when:

• the door does not lock properly or requires excessive force to close,
• there are problems with keeping the door in the closed position,
• it is necessary to replace the lock after mechanical damage or wear and tear.

Benefits of using an original lock

Using a lock dedicated to the Audi A3 8P on the rear right side allows for maintaining the structural integrity of the entire door system. Factory fitment reduces the risk of problems with adjustment, leaks, or improper closing, which often occur with universal components or those not adapted to a specific model.

Choosing this part also means:

• stable operation of the locking mechanism in daily use,
• maintaining the proper level of acoustic comfort inside the vehicle,
• increasing the sense of safety thanks to the secure closure of the rear passenger doors.

Related components and additional information

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

When planning broader service work and optimizing repair costs, it is also worth checking out the guide on selecting used components and the impact of engine design on operating budgets – you will find practical tips in the article Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs.