H4 Halogen Headlight Bulbs

'H4' signifies dual-filament bulbs, commonly referred to as bilux bulbs. These bulbs are equipped with two filaments within each unit, enabling them to serve as both high and low-beam lights, with one filament dedicated to each beam. Remarkably, they feature a single lamp base plate.

Upgrade bulbs that offer whiter, brighter and longer-lasting performance are available. See below for the most popular upgrades or to see the full range, click here.