For the 2007 GMC Sierra 1500, the low-beam headlights use H11 bulbs, while the high-beam headlights use 9005 bulbs. The supplied fitment data does not identify a projector or non-projector headlight variation, so these listings apply to the documented configuration.
Other useful exterior bulb locations include 5202 LED for the fog lights and H11 LED for the daytime running lights. The front turn signals and parking lights use 4157NA, while the front and rear side markers use 194NA.
- Reverse and rear turn signal: 3047
- Brake and tail light: 3047R
- Center stop light: 921
- License plate light: 168
Interior fitments include 212-2 for the dome and map lights, 194 for the glove-box light, and 912 for the trunk light. Verify the bulb location before ordering, especially where LED-specific fitments are listed.