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Diode Dynamics D4S HID replacement bulbs (pair) deliver direct-fit replacement for factory D4S housings and restore lost HID output. Offered in color choices up to 8000K for an ice-blue white, they use a ceramic base for heat protection and are produced with German quartz and quality salts for consistent color accuracy. These bulbs measure true color and aim for flicker-free, reliable illumination.
Diode Dynamics HID Bulb D4S 8000K (Pair)
