For the 2005 Dodge Dakota, both the low-beam and high-beam headlights use an H13 bulb. The supplied fitment data does not list a separate fog-light bulb.
For exterior lighting, the front turn signals, parking lights, and front side markers use 3157A bulbs. Rear lighting uses several related sizes: the brake and tail lights use 3057R, the rear turn signals use 3057, and the rear side markers use 3057A. The reverse lights use 3157 bulbs, while the center stop light uses a 921.
License-plate lighting may use either a 168 or 917 bulb. Interior applications also have listed alternatives: the dome light uses 578, the trunk light uses 912, and both the glove-box and map lights may use 194 or 7441 bulbs. Verify the existing bulb and socket before ordering where multiple sizes are listed.