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💡 Brighten your ride, banish the dim—drive in style with SIR IUS LED!
The SIR IUS LED 578 festoon bulb delivers a powerful 400 lumens of pure 6000K white light using cutting-edge 3020 SMD chipset technology. Designed with a full aluminum heat sink, it ensures long-lasting, cool operation and fits standard 41MM festoon sockets in most U.S. cars and trucks. Its Canbus error-free design guarantees hassle-free installation without triggering dashboard warnings, making it the ultimate upgrade for interior, dome, trunk, and license plate lighting.














| ASIN | B01AHVNDZK |
| Auto Part Position | Outside |
| Best Sellers Rank | #708,491 in Automotive ( See Top 100 in Automotive ) #253 in Automotive Dome Light Bulbs |
| Brand Name | SIR IUS LED |
| Color | black |
| Color Temperature | 6000 Kelvin |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,839) |
| Light Source Type | LED |
| Manufacturer | SIR IUS LED |
| Manufacturer Part Number | SIRIUSLED-41MM |
| Model Number | DE3175 6411 211-2 194 168 T10 |
| Operating Life | 50000 Hours |
| Package Quantity | 2 |
| UPC | 641378543739 |
| Unit Count | 2 Count |
| Voltage | 12 Volts |
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