578 LED Bulb - 8 LED Festoon - 44mm

578 LED Bulb - 8 LED Festoon - 44mm

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We have discontinued this product permanently. Please find suggested replacement products from below section.

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LED replacement bulbs can fit numerous vehicle applications, such as map lights, dome lights, trunk lights, and footwell lights. This 4410 LED festoon bulb replaces a variety of traditional bulbs including 4410, 578, and 12864 bulbs. The 44-mm bulb has 8 LEDs (5050 SMD) on a rectangular PCB (printed circuit board). The LEDs are mounted to one side of the board for direct illumination with no wasted light. A festoon base allows for easy plug-and-play installation. The energy-efficient bulb operates with in a 10-14.8 VDC range and lasts 25 times longer on your car, truck, SUV, or van than incandescent bulbs. Available in cool white, natural white, warm white, red, and blue. Not sold in pairs. Price per bulb.


Single VS Dual VS CK Dual Filament
Single Filament, Dual Filament, and CK Dual Filament
  • How your socket is wired determines the part number of the replacement bulb. Sockets used for a single intensity call for 3156 or 7440 bulbs (single filament). In comparison, sockets with a dual intensity call for 3157 or 7443 bulbs (dual filament). Dual filament bulbs will function appropriately in a single-intensity socket. For example, a 3157 bulb will work in a 3156 socket, and a 7443 will work in a 7440 socket. However, single filament bulbs will not function in a dual-intensity socket. CK sockets have a different wiring orientation, with the ground contacts at the top or bottom vs. standard (left/right). They appear in a few vehicles made in specific years and should only be used with compatible CK bulbs. Please consult your vehicle manual or use our Vehicle Bulb Finder tool to verify bulb compatibility with your vehicle's make and model.

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