Is H4 and HB4 the same?
Also known as dual filament bulbs, these are used to power both the main and dipped beam of your headlights. ... Cars that use single filament need one bulb for the main and another for the dipped. H1, H3, H7, H11, HB3, and HB4 bulbs are single filament. H4 are dual filament.
What bulb is the same as H4?
The H4, HB2, and 9003 are essentially all the same bulb and can be used interchangeably.
Is H4 same as 9006?
Q: Is H4 and 9006 The Same? Ans: No, the H4 and 9006 are not the same type of bulb. The two differ immensely, especially when you look at their respective structures and functionality. For example, the H4 is a double-filament bulb with three prongs.
Are H4 bulbs universal?
For example, bulbs such as H1, H4 & H7 are all universal fittings. No matter what manufacturer or where you buy them from, they will fit, as long as you buy the correct fitting for your vehicle.