What Is A 921 Bulb Used For?

What Is A 921 Bulb Used For? Sylvania 921 Long-Life Miniature Light Bulbs are designed to be durable, low maintenance and provide enhanced safety. These lamps are suitable for various automotive applications, including parking lights, turn lights, brake lights, back-up lights and interior lights. Are 921 and 194 bulbs the same? 921’s are larger, brighter, … Continue reading What Is A 921 Bulb Used For?