Filament-Style PY21W 581 amber LED upgrade bulb, with innovative LED technology. Filament-style bulbs combine the even light output of a traditional bulb with the long life, efficiency and vibration resistance of LEDs. Plus they give a crisp, high spec look to your vehicle. They last up to 3x longer than a standard bulb, and come with a three year guarantee. No wiring changes needed - simply plug in and play. This is the future of autobulb technology.
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