Locate 12V LED bulbs upgrade by locating 1999~2000 Nissan Frontier lights bulb size guide: headlights(9004/HB1 dual high/low beam), 1156NA turn signal lights, H3 fog lights, 3157 brake tail lights, 168 license plate lights, back-up reverse lights, interior 578 map lights, DE3175 courtesy lights, side marker lights, exterior and interior lights bulbs from OEM halogen, incandescent or damaged lamps, which will make you drive Better! Safer! Brighter! and Smarter.
It is recommended to double check the stock bulb sizes based on your owner manual or stock lamps before purchasing, as a vehicle's specific bulb type maybe come with different bulbs for different Nissan Frontier's trims.