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

The 2008 GMC Yukon XL uses a H13 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 XL?

The high beam bulb size for the 2008 GMC Yukon XL is N/A.

Why are my 2008 GMC Yukon XL headlights dim?

Dim headlights on a 2008 GMC Yukon XL 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 conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2008 GMC Yukon XL fog light?

The 2008 GMC Yukon XL uses a H16 bulb for the fog light position.

Is the 2008 GMC Yukon XL single or dual beam?

The 2008 GMC Yukon XL uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

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

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

Does the 2008 GMC Yukon XL have fog lights?

Yes, the 2008 GMC Yukon XL takes a H16 bulb for the fog light position.

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

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

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

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

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

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 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 XL?

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 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 XL headlights?

A pair of halogen H13 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 XL?

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 position are available as direct plug-and-play replacements.

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

Fitment Guaranteed for 2008 GMC Yukon XL

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

When it comes to nighttime visibility, the 2008 GMC Yukon XL relies on an arrangement of 8 specialized bulbs. It features a comprehensive lighting system powered by a dual-bulb halogen configuration using separate H13 low beam and high beam bulbs for precise light distribution.

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

For a GMC built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. We recommend starting your upgrade with the H13 low beams, as they see the most use. Adding a matching LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H16 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2008 GMC Yukon XL Bulb Size Chart

Position	Bulb Size	Shop
Side Marker	W5W	Buy W5W →
Low Beam	H13	Buy H13 →
Fog Light	H16	Buy H16 →
Tail Light	3057	Buy 3057 →
Reverse Light	7441	Buy 7441 →
Brake Light	7443	Buy 7443 →
License Plate	W5W	Buy W5W →
Turn Signal Rear	7443	Buy 7443 →

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

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

The 2015 model switched to a different bulb configuration.

This bulb configuration covers the 2008 model years. ← 2007 2015 →

Finding the best installation guide...

Other Yukon XL Years

2020 2019 2018 2017 2016 2015 2007 2006 2005 2004 2003 2002 2001 2000

Other Vehicles That Use H13 Bulbs

2022 Ford E-350 Super Duty 2022 Ford F-250 Super Duty 2022 Ford F-350 Super Duty 2022 Ford F-450 Super Duty 2022 Ford F-550 Super Duty 2022 Ford F-600 Super Duty

H13 Comparisons

9008 vs H13