Common in many automotive applications such as 2000-2006 GM products. Used in gauge clusters, climate control units, radio displays, switches, etc. These types of bulbs are used in nearly every vehicle from 1990 to the present.
3mm 9v are used in lexus radio lighting behind the buttons. 4mm 8v should be used for the display screen backlighting.
Please note there are many different sizes and voltages of bulbs. If you are unsure, contact us for help.
3mm 6v, 9v, 12v, 14v
4mm and 4.7mm 14v