What Size Bulbs Does a 2007 GMC Sierra Classic Denali Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Easy (Plug and Play)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 2007 GMC Sierra Classic Denali Have?
Owners of the 2007 GMC Sierra Classic Denali will find a total of 9 lighting elements throughout the vehicle's exterior. It features a comprehensive lighting system powered by a halogen-based setup where a single 9005 dual-filament bulb handles both low and high beam duties within the same reflector.
Can You Put LED Bulbs in a 2007 GMC Sierra Classic Denali?
For a GMC built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. Since your Sierra Classic Denali uses a single 9005 bulb for both high and low beams, ensure your chosen LED kit is "dual-beam" compatible. This allows the LED circuitry to mimic the two-filament design of the original halogen bulb. Don't forget the 880 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.
2007 GMC Sierra Classic Denali Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
| High Beam | 9005 | Buy 9005 → |
| Low Beam | 9005 | Buy 9005 → |
| Side Marker | 194 | Buy 194 → |
| Fog Light | 880 | Buy 880 → |
| Reverse Light | 3157 | Buy 3157 → |
| Brake Light | 3157 | Buy 3157 → |
| Turn Signal Rear | 3157 | Buy 3157 → |
| Tail Light | 3157 | Buy 3157 → |
| License Plate | 194 | Buy 194 → |
How do the 2007 GMC Sierra Classic Denali's bulbs compare to other years?
This bulb configuration covers the 2007 model years.
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