Land Rover Discovery L319 Door Wire Harness Rear Right O/S YMM502621B YMM502621

Land Rover Discovery L319 Door Wire Harness Rear Right O/S is an original electrical installation component designed for the rear right body zone. It ensures a stable electrical connection between the door and the vehicle body, enabling the proper operation of factory receivers and modules in this area. Thanks to its design compliant with the manufacturer's standards, it is a particularly beneficial solution for post-collision repairs, door replacements, or damage to the factory harness.

Specifications and technical data

• SKU: YMM502621B
• Mark: Land Rover
• Condition: Used
• OEM Part Number: YMM502621B
• Substitutable numbers: YMM502621B, YMM502621, 4H2214B518KA, 4H22-14B518-KA
• Location on the vehicle: Rear, Right
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function in the vehicle

The presented wire harness is dedicated to installation in the rear right door of the Land Rover Discovery L319. It is responsible for transmitting signals and power between the vehicle's main wiring and components located in the door, such as actuators, switches, or lighting. The placement in the Rear, Right area allows for precise alignment with factory cable routing and mounting points.

Construction and mounting fitment

The harness has been designed as a component compatible with the Land Rover factory electrical architecture, which facilitates installation in original door grommets and brackets. The connectors used are prepared to work with serial modules and equipment, ensuring that the installation proceeds in an orderly manner, without the need for modifying the wiring or using adapters.

Such a solution allows for maintaining the consistency of the electrical installation in the vehicle, reduces the risk of assembly errors, and facilitates subsequent diagnostics of potential faults in the door area.

Service application and benefits of replacement

Replacing the wire harness in the rear right door is recommended in situations where factory wires have been chafed, broken, or mechanically damaged, for example, as a result of intensive use or bodywork repairs. Using an original Land Rover component allows you to:

• restore full electrical functionality of the door,
• maintain compliance with the factory installation diagram,
• minimize the risk of communication problems between modules,
• keep an orderly cable routing within the door and pillar.

For workshops specializing in the Land Rover brand, this is a practical service solution that shortens repair time and limits the need for fabricating custom harnesses.

Product characteristics and condition

The offered wire harness comes from the group of original Land Rover components, which translates into compliance with factory quality and fitment standards. The item is used, making it an economical alternative to a new part while maintaining proper functionality for service and repair applications.

This type of solution is particularly beneficial for repairing vehicles that are used intensively, where both the correct operation of the installation and the optimization of maintenance costs are important.

Integration with other Land Rover components

The door harness works with other electrical installation elements in the rear part of the vehicle, creating a coherent system with body modules, locks, and door equipment. In the case of extensive repairs in the rear right side of the body, it is worth considering a comprehensive verification of the condition of wires, connectors, and mounts to avoid subsequent problems with signal interruption or power loss.

If you are planning a comprehensive repair or upgrade of the body zone in your Land Rover and need other elements from the same group, such as door harnesses, installation connectors, or additional wire sections, check out the available parts in the Other Land Rover category.

Technical knowledge and vehicle development

For those interested in comparing technical solutions used in different brands and segments, including sports designs with extensive electronics, an article discussing the differences in the construction of powertrains and chassis may be useful. More information can be found in the material: Audi RS vs other models – what is hidden under the hood and chassis?.