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4210 Replacement Festoon LED Bulbs - Interior - (PAIR) (42mm)

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Speed Demon LED replacement bulbs can fit numerous vehicle applications, including dome lights, map lights, trunk lights, hood lights and foot well lights. This 42mm festoon bulb replaces 4210 bulbs. The 42mm bulb has 8 LEDs on a rectangular PCB (printed circuit board). LEDs are mounted to one side of the board for direct 180° illumination with no wasted light. Festoon base for easy plug-and-play installation. Lasts 30,000 hours in your car, truck, SUV, or van—25 times longer than incandescent bulbs. 1.6W, 12V Replaces 4210, 6451


  • Replaces 4210, 6451
  • 1 Year Warranty


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