Land Rover Discovery 3 L319 Front Door Lock Mechanism Right O/S FQJ000203-D

Land Rover Discovery 3 L319 Front Door Lock Mechanism Right O/S is an original mechanism from the Locks and latches category, designed for installation on the driver or passenger side depending on the market in the Discovery 3 L319 model. The component ensures the proper operation of the central locking system, secure locking, and stable closing of the front door on the right side of the vehicle.

Specifications and technical data

• SKU: RHD-FQJ000203-D
• Mark: Land Rover
• Condition: Used
• OEM Part Number: FQJ000203-D
• Substitutable numbers: FQJ000203, CXF500043, 5H2278224N02AA, 5H22-78224N02-AA, 4H2A21812AA, 4H2A-21812-AA
• Location on the vehicle: Front, Right
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock mechanism is dedicated to the front right door of the Land Rover Discovery 3 L319 generation. It is responsible for precise locking, unlocking, and integration with the central locking system and the door handle. Thanks to its precise fit to the door structure, it ensures repeatable, secure closing of the door and proper cooperation with the vehicle's electrical system.

The location on the vehicle defined as front – right side allows for clear identification of the mounting position and reduces the risk of selecting the wrong component. This is particularly important in the case of off-road vehicles, where the tightness and correct locking of the doors affect comfort in more demanding conditions.

Original origin and compatibility

The mechanism comes from the Land Rover line, which means maintaining factory operating parameters, geometry, and mounting points. The original design ensures:

• precise fit with the door panel and latch guide,
• proper cooperation with the factory central locking system,
• compatibility with the wiring harness and connector provided by the manufacturer.

Thanks to this, installation is plug-and-play, without the need for alterations, custom adapters, or modifications to the installation. This solution is particularly beneficial for workshops specializing in the brand and users expecting a predictable repair result.

Performance characteristics and installation benefits

As an item from the Locks and latches category, the mechanism is responsible for several key operational functions:

• keeping the door in a closed position while driving and parked,
• correct locking using the remote control or key,
• cooperation with the internal and external door handle,
• transmitting the open/closed status signal to the vehicle's systems.

Replacing a worn or damaged lock with an original mechanism dedicated to the Discovery 3 L319 allows for restoring the correct operation of the central locking, eliminating problems with door closing, and reducing the risk of emergency opening or locking of the door.

Condition and service application

The offered lock is a used item, which in service practice often represents a favorable compromise between the cost of repair and maintaining factory build quality. This type of part will work well both for standard replacement of a damaged mechanism and for stage-by-stage door rebuilding after a collision or bodywork intervention.

Choosing an original, used door lock is particularly recommended for vehicles where it is important to maintain full compatibility with the existing installation and avoid problems with fitting replacements of uncertain specifications.

Support in part selection and technical knowledge

If you are planning a comprehensive repair or modernization of the door area in your Land Rover and need other components from the same group, such as lock mechanisms, latches, or related mounting elements, check the available parts in the Land Rover Locks and latches category.

If you are considering whether a used original element or a replacement is a better choice, you will find practical tips in the article 5 reasons why a used OEM part is a better choice than a replacement, which simply compares both options in terms of quality, durability, and service cost-effectiveness.