For the 2000 Dodge Durango, the low-beam and high-beam headlights both use a 9007 bulb. This means the same 9007 bulb type serves both headlight functions. The fog lights use 899 bulbs.
At the front, the turn signals and parking lights use 3157 bulbs, while the front side markers use 194NA. Rear lighting includes 3057 bulbs for the reverse lights and rear turn signals, with 3057R bulbs used for the brake and tail lights. The rear side markers use 3057A, and the center high-mounted stop light uses 921.
License plate lighting may use either 168 or 917 bulbs. Interior and auxiliary applications also have listed alternatives: courtesy lights use 579 or 904, depending on the original bulb, and the glove-box light uses either 194 or 7441. Instrument lighting may use 161, 2721, or PC194; compare the original bulb before ordering. Other listed applications include 211-2 for the dome light, 579 for map lights, 567 for the trunk, and 561 for the engine compartment.