The REPLACEMENT XENON HEADLIGHT BULBS (PAIR) are a versatile option for enhancing your vehicle's lighting. Designed to be compatible with all Delta Headlights, these bulbs offer wide applicability. They are universally compatible with H4 and 9003 Headlights, making them suitable for various car models and headlight systems. Upgrade your headlights with these replacement xenon bulbs for improved visibility and a brighter driving experience.