For the 2001 Dodge Neon, the low-beam and high-beam headlights both use a 9007 bulb. This fitment data does not indicate a separate bulb for each beam, so verify the existing headlamp and connector before ordering.
The front turn signals and parking lights use 4157NA bulbs, while the front side markers use 168NA. At the rear, the brake and tail lights use 3157R bulbs, and the rear turn signals use 3157.
For other exterior lighting, the reverse lights and center stop light use 921 bulbs. The license-plate light is listed with two possible sizes: 168 or 917. Check the bulb currently installed in the license-plate housing to confirm which option applies. No fog-light bulb fitment is listed for this model year in the supplied data.