Seat Leon Cupra 5F Door Lock Latch Catch Mechanism Rear Right O/S 5K4839016AG

Seat Leon Cupra 5F Door Lock Latch Catch Mechanism Rear Right O/S is a factory-original component from the Internal locks and latches group, designed for installation in the rear right section of the vehicle body. The original design ensures proper interaction with the door handle mechanism, linkages, and electrical wiring, guaranteeing secure locking and unlocking of the door. It is a practical solution for users who expect efficient central locking operation and proper functioning of safety systems in their Leon Cupra 5F.

Specifications and technical data

• SKU: 5K4839016AG
• Mark: Seat
• Condition: Used
• OEM Part Number: 5K4839016AG
• Substitutable numbers: 5K4839016AG, 5K4 839 016 AG
• Location on the vehicle: Rear, Right
• Category: Interior Locks & Lock Hardware

Purpose and vehicle placement

The presented lock is dedicated to installation in the rear right section of the body, meaning it works with the rear right passenger door. Such a fit allows for maintaining factory mounting geometry, correct routing of linkages, and the proper position of the catches relative to the body pillar. As a result, the installation process is straightforward, and once installed, the lock operates stably and predictably.

Construction and function of the door lock

The door lock in the Seat Leon Cupra 5F model is responsible for several key operational functions:

• mechanical locking and unlocking of the door leaf relative to the body,
• interaction with the central locking system and control via remote or from inside the vehicle,
• maintaining proper door pressure against the seals, which reduces noise and vibrations,
• transmitting information about the door open or closed status to the onboard systems.

Thanks to its factory design, the lock maintains appropriate rigidity, and its mechanism is prepared for operation under typical vehicle usage conditions – during frequent opening and closing of the door and in varying weather conditions.

Benefits of using an original lock

Using an original door lock in the Leon Cupra 5F allows for maintaining the consistency of the entire locking system. Factory fitment minimizes the risk of issues with closing, hinge play, or incorrect central locking operation. This is particularly important in cars equipped with advanced comfort systems, where the proper operation of each lock affects interior lighting, door-open signaling, and safety functions.

An element from the Internal locks and latches group of this type is a good choice when replacing a worn or damaged lock, as it allows for restoring the original door functionality without the need for modifications to the installation or interference with the door panel structure.

Condition and installation aspects

The offered lock is a used item, which in practice means it has been removed from a vehicle and verified for further use. For a mechanic or an experienced user, the installation is usually limited to removing the door upholstery, disconnecting the linkages and connectors, and then installing the lock in place of the previous one. Replication of factory mounting points facilitates efficient replacement and reduces the time spent working on the vehicle.

Complementary Seat lock components

If you are planning a comprehensive repair or upgrade of the door lock zone in your Seat and need other components from the same group, such as latches, handle mechanisms, or additional locking modules, check the available parts in the Seat internal locks and latches category.

Technical support and part selection

When selecting a door lock for a specific body version and equipment level, it is worth paying attention to compatibility with manufacturer markings and vehicle configuration. Comparing the construction with the removed part and consulting the parts catalog can be helpful. Additional information on the principles of selecting components by manufacturer numbers, as well as on diagnostics and maintenance of automotive components, can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses a practical approach to identifying and handling OEM components.