2015 Lexus RX 350 headlight fitment depends on the factory headlight type. Models with halogen headlights use an H11 low beam, while models with HID headlights use a D4S low beam. The high beam is a 9005 bulb.
For other exterior lighting, the fog light uses an H16 LED bulb. Front parking and turn signals use 7444NA, while the rear turn signal uses 7440A. The reverse light uses 921, and the rear side marker uses 168NA. The tail light is listed as 168R.
- Step light: 194
- Interior and map lights: 168
- Trunk light: DE3022
Before ordering low-beam replacements, confirm whether your RX 350 has halogen or HID headlights, since these systems use different bulb types. Match the listed bulb specification to the lighting location being serviced.