this post was submitted on 18 Jun 2025
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[–] dual_sport_dork@lemmy.world 1 points 3 weeks ago* (last edited 3 weeks ago)

Manufacturers do have to use the same light module. There are still only like 11 types of DOT approved headlight bulb type that can legally be put in a roadgoing vehicle in the US. So yes, we have more than the original 2 options, but if you need a replacement headlight bulb that list is still pretty short. This obviously excludes vehicles with bespoke LED assemblies, which are currently in the minority but who knows for how long.

The difference is the housing they stick it in nowadays, which is vehicle specific (and also the expensive part, if you break one).