Introduction of 3175 LED bulb 3175 LED bulb is a type of festoon bulb that can be used for interior lighting in cars, such as for map, dome, cargo and license plate lights. The number “3175” refers to the bulb’s dimensions in units of hundredths of an inch. Specifically, the 3175 bulb has a diameter… Continue reading A brief guide to 3175 LED bulb
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