For the 2011 Chevrolet Tahoe, the low-beam headlight uses an H11 bulb, while the high beam uses a 9005 bulb. The supplied fitment data does not list a headlight-type distinction, so confirm the existing bulb before ordering if your Tahoe has equipment-specific lighting.
Front turn signal and parking bulb fitment varies by configuration: Hybrid models use 3157, while LS models use 3157A. The front and rear side markers use 194NA bulbs.
Rear lighting also differs by configuration. Hybrid models use 3157R for the brake and tail lights and 3157 for the rear turn signal. LS models use 3057R for the brake and tail lights and 3057 for the rear turn signal. The reverse light uses 7440, and the center stop light is LED.
Additional listed bulbs include 3157 for daytime running lights, 2825 or 98 for the license plate, 212-2 for dome and map lights, 921 for the trunk, and 6612F for the vanity light.