h4 9003
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yes, the H4 or 9003 size bulb (they are the same, just a different designation) is what goes in the headlights of our cars.
as far as i know, 'H4' and '9003' are just standard bulb size designators...i dont think they really mean anything.
as far as i know, 'H4' and '9003' are just standard bulb size designators...i dont think they really mean anything.
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