So with that in mind we conducted a test to find the best headlight bulbs of 2018. All the bulbs tested were H4 double-filament specification: halogen headlamp bulbs that produce both low and high ...

Here, we explore the types of car headlights and bulbs you find on vehicles today and ... They use a number of H fittings (for example, H4 bulbs), so make sure you know which one you need. We’ll look ...