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The ORACLE D4S xenon replacement bulb is a direct OEM-fit HID bulb sold individually and identified as 100K for factory HID systems. It produces more impressive light output than many OEM bulbs while matching factory fitment for a straightforward swap. Because bulb aging can change color, ORACLE recommends replacing both driver and passenger bulbs together to maintain consistent color and output.
Oracle D4S Factory Replacement Xenon Bulb - 100K
