Jaguar X-Type X400 Rear Door Wiring Loom Harness Left Right N/O/S 4X43-14240-AG

Jaguar X-Type X400 Rear Door Wiring Loom Harness is an original electrical installation component designed to support the rear door on either the left or right side. As part of the Wires, harnesses, and connectors group, it ensures a stable connection between the body modules and door equipment, such as actuators, switches, or lighting. This is a practical solution for users who want to restore the full functionality of the door electrics in their Jaguar X-Type X400 while maintaining factory manufacturing standards.

Specifications and technical data

• SKU: 4X43-14240-AG
• Mark: Jaguar
• Condition: Used
• OEM Part Number: 4X43-14240-AG
• Substitutable numbers: 4X43-14240-AG, 4X4314240AG, C2S44488, C2S50307, 4X4314240AH, 4X43-14240-AH
• Location on the vehicle: Rear, Right, Left
• Part type: Loom
• Category: Wiring Harnesses, Cables & Connectors

Purpose and vehicle placement

The presented wiring harness has been designed specifically for the rear body section of the Jaguar X-Type X400 model, with the possibility of installation on both the left and right sides. It is responsible for transmitting signals and power between the vehicle's main installation and the components located in the rear doors, which is crucial for the proper operation of electric window mechanisms, locks, and lighting. Thanks to factory-standard wire routing and properly selected connectors, the harness allows for maintaining the correct geometry of cable placement in the door and pillar, which reduces the risk of chafing, short circuits, and moisture-related problems at critical transition points between the body and the door.

Technical characteristics and compatibility

As an original Jaguar component, the door wiring harness is matched to the factory mounting points and original connectors used in the X-Type X400 model. This means that installation is performed in a plug-and-play manner, without the need for modifying the installation, soldering, or using adapters. The product features dedicated multi-pin connectors and properly distributed wire branches, which facilitates the correct connection of all receivers in the door. The presence of the OEM part number and available replacement numbers in the technical specification allows for precise verification of compatibility with a specific vehicle equipment version. This is particularly important when selecting electrical components, where differences in configuration can affect the number of wires, type of connectors, or supported functions.

Product condition and advantages of using a used part

The offered wiring harness is in used condition, which in the case of components from the Wires, harnesses, and connectors group often represents a reasonable compromise between cost and functionality. The original design ensures correct wire cross-sections, proper insulation, and compatibility with factory connectors, while simultaneously allowing for cost savings compared to new subassemblies. Using an original, used door wiring harness is particularly beneficial for:

• repairing mechanical damage to wires in the door hinge area,
• restoring the installation after a collision or interference from previous repairs,
• resolving issues with intermittent power supply to windows, locks, or lighting.

Benefits of installing an original Jaguar X-Type X400 door wiring harness

Choosing a factory door wiring harness for the Jaguar X-Type X400 allows you to maintain the consistency of the entire body electrical system. Appropriate wire lengths, correct insulation colors, and matched connectors facilitate future diagnostics and service, and minimize the risk of installation errors. This is especially important in premium class vehicles, where the stability of communication between comfort modules and door equipment has a direct impact on user comfort. An additional advantage is the ability to use existing mounting points and grommets in the body, which shortens installation time and limits interference with the vehicle's structure. As a result, the harness is a practical solution both for workshops specializing in the Jaguar brand and for conscious users who independently maintain the condition of their electrical installation.

Expanding the electrical system and selecting related components

If you are planning a comprehensive repair or upgrade of the rear door zone in your Jaguar and need other elements from the same group, such as additional harnesses, connectors, or wire sections, check the available parts in the Jaguar Wires, harnesses, and connectors category. For more advanced work within the drivetrain and associated installation, guide materials regarding diagnostics and component selection may also be helpful. In such a case, it is worth reading the article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which covers practical aspects of working with mechanical elements and their integration with the vehicle's existing infrastructure.