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JLR CODINGJLR CODING
Roof Light Kit V4 Design
Home / Land Rover Activation

JLR Defender L663 – Gloss Black Roof Light Kit V4 Design

  • Roof Light Kit V3
  • LR Smoked Rear Lights

$768.00

Roof Light Pod kit is a fantastic visual and practical upgrade for your Defender.

Category: Land Rover Activation Tags: JLR DoIP VCI WF, JLR Engineering Software, JLR SX-CAN
  • Roof Light Kit V3
  • LR Smoked Rear Lights
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  • Description
The JLR Defender L663 – Gloss Black Roof Light Kit V4 Design is the latest fourth-generation roof lighting upgrade engineered to upgraded JLR factory technical standards. It is exclusively designed for all 2020+ L663 Defender 90, 110 and 130 models. Traditional factory roof lights and older V1/V2/V3 aftermarket kits have obvious drawbacks. They include bulky outlines, weak structural stability and limited lighting performance. In addition, most old-style roof lights produce loud wind noise at high speeds and are prone to vibration loosening after long off-road use.
As an upgraded iterative version, the V4 design fixes all defects of previous generations. It adopts a newly optimised low-profile aerodynamic structure and upgraded high-gloss black OEM finish. Meanwhile, it updates internal LED light sources and fixed reinforcing structures. Compared with older versions, this V4 kit delivers smoother roof line integration, stronger shock resistance and more uniform illumination. Therefore, it perfectly balances daily road practicality, off-road durability and high-end OEM styling for L663 Defender vehicles.

Key JLR Technical Features

  • Upgraded V4 Aerodynamic Structure: The fourth-generation streamlined contour is re-optimised based on L663 roof data. It effectively reduces air resistance and high-speed wind noise. Thus, it greatly improves driving comfort compared with outdated designs.
  • Premium OEM Gloss Black Finish: Adopts automotive high-gloss black spraying technology. It strictly follows JLR exterior trim colour standards. Moreover, it features UV-stabilised treatment to resist fading and surface scratches.
  • Enhanced Uniform LED Illumination: Updated internal LED lamp beads provide higher brightness and wider light projection range. The tuned beam pattern is road-legal. Hence, it improves night driving safety without violating traffic regulations.
  • Upgraded IP67 Waterproof & Dustproof Performance: The V4 version optimises the overall sealing structure. It fully isolates rainwater, dust and mud. Consequently, it maintains stable working performance in extreme off-road environments.
  • Optimised Vibration-Resistant Structure: Reinforced integrated internal brackets replace loose assembly parts. It effectively resists persistent road vibration. In turn, it completely eliminates long-term rattling and displacement problems.
  • Non-Invasive Plug-and-Play Installation: Matches original L663 roof mounting positions and wiring interfaces. No drilling or cutting is required. For this reason, the upgrade is fully reversible and will not affect vehicle warranty.

Vehicle Compatibility

This JLR Defender L663 Gloss Black Roof Light Kit V4 Design is compatible with all 2020–Present Land Rover Defender L663 models. It fits 90, 110 and 130 body styles, covering petrol, diesel and mild-hybrid variants. Additionally, it adapts to factory original roof rails and standard roof panels. However, it is not applicable for vehicles with modified roof structures or non-OEM aftermarket roof racks.

Technical Specifications

  • Surface Finish: Automotive high-gloss black, UV-resistant and scratch-proof coating
  • Design Version: Optimised fourth-generation (V4) aerodynamic low-profile design
  • Protection Level: IP67 full dustproof and waterproof rating
  • Fitment Standard: JLR OEM factory tolerance compliant, seamless roof line fit
  • Installation Mode: Plug-and-play wiring, zero destructive modification

Installation & Upgrade Benefits

This V4 roof light kit supports both professional workshop installation and standard DIY operation. All accessories and wiring harnesses are custom-made for L663 models. The installation process is simple and efficient without complex disassembly or electrical coding. After installation, it instantly upgrades the vehicle’s front vision and exterior sporty texture.
In short, the upgraded V4 roof light kit is a cost-effective dual-purpose upgrade. It optimises daily driving safety and off-road adaptability. It also retains pure OEM styling integrity and long-term durability. For these reasons, it is the preferred upgraded lighting accessory for L663 Defender daily driving, overland exploration and show vehicle builds.

Roof Light Kit V4 Design

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