SUPER BRIGHT White 31mm 6 SMD LED Car Bulbs Festoon

High quality auto festoon bulbs have 6 long-lasting white LED's in each and will give your car a unique glow

Pack size: 1 bulbs
Length:    31mm
Color:    Xenon White
Type:    6-SMD 5050 Chips

Ultra Bright LED, unique and more vivid color      
Low Power Consumption and Low Temperature      
Long-lasting Life - 50000 working hours      
Easy installation, just plug & play      
Faster on/off response time and vibration resistant      
If the LED does not light up, simply flip it 180 degrees  (reverse the polarity)

Perfect for interior light, Door light, Dome light and Map light.

Cross Reference
Festoon 31mm-35mm:
 3021, 3022, 3175, 6428, 6430, 6461, DE3021, DE3022, DE3175
Festoon 36mm-39mm:
 3423, 3425, 6411, 6418, 6423, 6461, DE3425
Festoon 40mm-44mm:
211, 211-2, 212, 212-2, 214-2, 569, 578, 6413, 6429, 12844, DE4410

Q: Why the LED doesn't light up?
A: Switch the LED 180 degrees, the problem would be solved.(Make sure the positive and negative connection is right.)