Genuine OEM Hyundai Tail Light Bulb, part number 1864221008L. This incandescent bulb is designed to illuminate the rear of the vehicle, providing essential visibility for other drivers and enhancing safety. It is installed within the tail light assembly. Engineered to deliver the correct light output and beam pattern for its intended function. Choosing a genuine OEM bulb ensures the correct wattage, filament design, and ECE/DOT compliance for optimal performance and longevity, preventing premature failure and maintaining road legality.