For the 2007 Lexus IS 250, the low-beam bulb depends on the headlight system: use H11 bulbs with halogen headlights or D4S bulbs with HID headlights. Confirm which factory headlight type is installed before ordering.
The high-beam fitment is 9005. The fog lights use 9006 LED bulbs, while both front and rear turn signals use 7440A bulbs.
- Front and rear side markers: 194NA
- Reverse lights: 921
- Parking and license plate lights: 168
- Courtesy lights: 194
- Dome light: DE3021
- Map and interior lights: 168
- Glove box light: 37
- Trunk light: DE3022
When replacing the headlights, match the replacement to the existing halogen or HID configuration. The low-beam bulb types are not interchangeable fitments for the two systems.