For the 2018 Dodge Grand Caravan, both the low-beam and high-beam headlights use an H11 bulb. The supplied fitment data does not specify a projector or non-projector headlight distinction, so verify the original bulb before ordering if the headlamp assembly has been replaced or modified.
- Fog lights: 2504 LED
- Front turn signals and parking lights: 3757A
- Front side markers: 2827
- Reverse lights: 3157
- License plate lights: 168
For interior lighting, the courtesy and glove-box lights use 194 bulbs. Dome, interior, and reading lights use 578, while the map lights use PC579 and the instrument lighting uses PC74. The trunk light has two listed possibilities: 561 or 578. Compare the existing trunk bulb with the original before selecting a replacement.