For the 2014 Lexus IS 250, the headlight fitment varies by equipment. The listed low-beam options are D4S and H11, while high-beam options are 9005 and D4S. Confirm the bulb currently installed before ordering, especially when replacing both low- and high-beam bulbs.
Fog-light bulb choice is tied to the headlight type: models with halogen headlights use H16 LED fog bulbs, while models with HID headlights use H11 LED fog bulbs.
- Front turn signal and parking light: 7444NA
- Daytime running light: 9005
- Rear turn signal: 7440A
- Reverse light: 921
- Step light: 194
- Interior and map lights: 168
- Trunk light: 168 or DE3022; compare with the original bulb
Because multiple headlight bulb options are listed, use the existing bulb or vehicle configuration to confirm the correct replacement.