For the 2000 Chevrolet Tahoe, the supplied fitment data lists a 9005 bulb for the high beam. No low-beam bulb is specified in the available data, so verify the original bulb before ordering a replacement.
Fog-light fitment varies by production timing: early models may use H3 or H3C, while late models use 880. Early and late models also differ in several exterior lights. Front turn signals and parking lights use 2357A on early models or 4157NA on late models. Rear turn signals are 3057 early or 3157 late; reverse lights are 3156 early or 3157 late.
Brake and tail lights use 3057R on early models and 3157R on late models. The daytime-running light uses 4114, while the center stop lamp is listed as LED. Rear side-marker fitment also changes from 194NA early to PC195 late. Compare the existing bulb where the data lists multiple options.