What is the low beam headlight bulb size for a 2008 GMC Yukon Denali?

The 2008 GMC Yukon Denali uses a H13 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2008 GMC Yukon Denali?

The high beam bulb size for the 2008 GMC Yukon Denali is H13 LED.

Why are my 2008 GMC Yukon Denali headlights dim?

Dim headlights on a 2008 GMC Yukon Denali can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H13 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2008 GMC Yukon Denali fog light?

The 2008 GMC Yukon Denali uses a 9145 LED bulb for the fog light position.

Is the 2008 GMC Yukon Denali single or dual beam?

The 2008 GMC Yukon Denali uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Can I install LED bulbs on my 2008 GMC Yukon Denali?

Yes, the 2008 GMC Yukon Denali comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H13 LED LED conversion kit for the low beams.

Does the 2008 GMC Yukon Denali have fog lights?

Yes, the 2008 GMC Yukon Denali takes a 9145 LED bulb for the fog light position.

Did the 2008 GMC Yukon Denali change headlight bulb sizes from the previous year?

Yes — the 2008 GMC Yukon Denali uses different bulb sizes than the 2007 model. The 2008 generation introduced this bulb configuration.

Is the 2008 GMC Yukon Denali the first or last year to use H13 LED bulbs?

The 2008 GMC Yukon Denali is the only year in the 2008 generation to use the H13 LED bulb for the low beam headlight.

How do I change the headlight on a 2008 GMC Yukon Denali?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old H13 LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2008 GMC Yukon Denali?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved H13 LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 2008 GMC Yukon Denali headlights?

A pair of halogen H13 LED bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 2008 GMC Yukon Denali?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the H13 LED position are available as direct plug-and-play replacements.

The 2008 GMC Yukon Denali has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2008 GMC Yukon Denali

What Size Bulbs Does a 2008 GMC Yukon 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 2008 GMC Yukon Denali Have?

Lighting on the 2008 GMC Yukon Denali is managed by a total of 14 bulbs, covering everything from primary headlights to signal indicators. It features an extensive lighting system powered by a halogen-based setup where a single H13 LED dual-filament bulb handles both low and high beam duties within the same reflector.

Can You Put LED Bulbs in a 2008 GMC Yukon Denali?

For a GMC built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. Since your Yukon Denali uses a single H13 LED 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 9145 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2008 GMC Yukon Denali Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H13 LED	Buy H13 LED →
High Beam	H13 LED	Buy H13 LED →
Fog Light	9145 LED	Buy 9145 LED →
Brake Light	3057	Buy 3057 →
Side Marker	194 LED	Buy 194 LED →
Turn Signal Front	5702AK LED	Buy 5702AK LED →
Turn Signal Rear	3157K LED	Buy 3157K LED →
Reverse Light	7441	Buy 7441 →
Dome Light	212-2	Buy 212-2 →
License Plate	2825	Buy 2825 →
Map Light	212-2	Buy 212-2 →
Parking Light	5702AK	Buy 5702AK →
Trunk Light	212-2	Buy 212-2 →
Tail Light	3057	Buy 3057 →

How do the 2008 GMC Yukon Denali's bulbs compare to other years?

The 2008 GMC Yukon Denali changed bulb sizes from 2007. The previous model year used a different configuration.

The 2009 model switched to a different bulb configuration.

This bulb configuration covers the 2008 model years. ← 2007 2009 →

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Other Yukon Denali Years

2011 2010 2009 2007 2006 2005 2004 2003 2002 2001 2000

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