Land Rover Defender Headlights: Specs, Fitment & Common Faults
Bulb type, unit part numbers, and the faults that actually cause that flickering or dim light you've noticed.
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Land Rover Defender Headlights: OEM Part Number
A Genuinely Important UK Rule Worth Knowing Before You Buy — Land Rover Defender Headlights
If your Defender has factory-fitted halogen headlamp housings, converting them to fit LED bulbs is treated as a definite MOT failure under the current inspection manual — this isn't a grey area or a minor advisory, since a housing designed for halogen doesn't distribute an LED bulb's light output correctly, which can genuinely dazzle oncoming drivers. If you want a genuine LED upgrade, the correct route is a complete headlight unit designed for LED from the factory, not a bulb swap into an existing halogen housing.
Land Rover Defender Headlights: What It Does
On the Land Rover Defender, main and dipped beam bulbs — or LED/matrix modules on higher-spec cars — live inside the headlight unit, angled carefully to illuminate the road without blinding oncoming traffic. The daytime running light and front indicator often share that same housing too, adding complexity to both fitment and repair.
Land Rover Defender Headlights: Generations, Derivatives & Headlight Type
| Standard trims | Halogen as standard on older generations, with LED becoming the norm on newer models |
|---|---|
| Higher trims (HSE/Autobiography) | Full LED or Adaptive LED (Matrix on the newest generations) becomes available — genuinely non-interchangeable with the halogen or standard LED units on lower trims, requiring matching control modules and wiring to retrofit |
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Land Rover Defender Headlights: Common Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Headlights Guide for the four bulb technologies and how they differ, UK law on aim and modifications, common faults to check for, how difficult this job is to DIY, and confirming fitment against your VIN.
More Land Rover Headlights
The same part, covered across other Land Rover models.