The SYLVANIA 2821 Long Life Mini Bulb makes a perfect direct replacement solution for your car or truck's interior or exterior lighting. These bulbs offer increased longevity, and have been engineered to withstand a sizeable amount of road shock and vibration. Thanks to their robust filament construction and proprietary gas mixture, the 2821 Long Life bulbs live longer, which means you save time and money buying fewer replacements. Trust Sylvania's OEM (Original Equipment Manufacturer) status to provide you with quality lighting that improves your car's safety and functionality. The 2821 bulb provides bright, white light and is easy to install. Legal for on road use. To ensure a correct fit for your vehicle, check the User Guide / Sylvania Bulb Replacement Guide. Sold in a package of two bulbs..