For the 2004 Toyota Highlander, the supplied fitment data lists a 9005 bulb for the high beam and also for the daytime running light (DRL). No low-beam bulb is listed in the available data, so verify the existing bulb and headlight assembly before ordering a replacement. No projector or non-projector headlight distinction is specified.
Other notable exterior bulb locations include 7528 for the front turn signals, parking lights, and front side markers. The rear turn signal uses 7440A, while the reverse light uses 7440. The tail and brake lights use 7443R, and the center stop light uses 921. The rear side marker is listed as 168NA.
- License plate and courtesy lighting may use 168 or 917.
- The dome light uses DE3175.
- The glove-box light uses 2721.
- Map lights may use 168 or 917.