For the 2017 Toyota 4Runner, the low-beam headlights use H11 bulbs, while the high beams use 9005 bulbs. The same 9005 size is listed for the daytime running lights. No fog-light bulb fitment is provided in the supplied data.
Other useful exterior bulb details include 7444NA bulbs for the front turn signals and parking lights, 7440A bulbs for the rear turn signals, and 921 bulbs for the reverse lights. The front side markers use 168NA bulbs. The brake lights, center stop light, rear side markers, and tail lights are listed as LED rather than replaceable bulb sizes.
Interior fitment includes DE3175 bulbs for the dome and trunk lights. Map and general interior lighting may use either 168 or 917 bulbs, while vanity lights may use 194 or 7441 bulbs. For license-plate lighting, the supplied fitment lists either 168 or 917. Verify the existing bulb and socket before ordering where multiple sizes are shown.