See Sylvania's Automotive Bulb Replacement Guide in the Technical Details below to confirm compatibility Longer life than basic bulbs Legal for on road use OE (Original Equipment) Manufacturer Light bulbs dim over time and require replacement Replace in pairs for optimal performance The Sylvania Long Life Mini Bulb brings increased bulb life to various automotive lighting applications. These lamps have been engineered to withstand a sizeable amount of road shock and vibration. They are also constructed with a robust filament and proprietary gas mixture that results in much longer life. Sylvania lamps are designed to be durable, lower maintenance, and provide greater safety.
I had to replace one of these "long life" bulbs after only a few months. I'm hoping that it was just a factory defect, as I replaced all of the turn signal and parking lights with this series of "long life" bulbs.