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The Diode Dynamics 4257 HP24 Switchback bulb pair upgrades front turn signals with cool white running light and amber turn signal output. Designed as direct replacements for 4257-size dual-filament applications, each bulb uses high-power LEDs arranged for balanced light and a custom-molded base for correct fitment. Installation is plug-and-play for compatible vehicles.
Diode Dynamics 4257 HP24 LED Bulb - Cool - White Switchback (Pair)
