What is the low beam headlight bulb size for a 2008 Chevrolet Trailblazer?

The 2008 Chevrolet Trailblazer uses a 9006 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 Chevrolet Trailblazer?

The high beam bulb size for the 2008 Chevrolet Trailblazer is 9005 LED.

Why are my 2008 Chevrolet Trailblazer headlights dim?

Dim headlights on a 2008 Chevrolet Trailblazer can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a 9006 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2008 Chevrolet Trailblazer fog light?

The 2008 Chevrolet Trailblazer uses a 893 LED bulb for the fog light position.

Is the 2008 Chevrolet Trailblazer single or dual beam?

The 2008 Chevrolet Trailblazer 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 Chevrolet Trailblazer?

Yes, the 2008 Chevrolet Trailblazer comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9006 LED LED conversion kit for the low beams.

Does the 2008 Chevrolet Trailblazer have fog lights?

Yes, the 2008 Chevrolet Trailblazer takes a 893 LED bulb for the fog light position.

Did the 2008 Chevrolet Trailblazer change headlight bulb sizes from the previous year?

Yes — the 2008 Chevrolet Trailblazer uses different bulb sizes than the 2007 model. The 2008 generation introduced this bulb configuration.

Is the 2008 Chevrolet Trailblazer the first or last year to use 9006 LED bulbs?

The 2008 Chevrolet Trailblazer is the only year in the 2008 generation to use the 9006 LED bulb for the low beam headlight.

How do I change the headlight on a 2008 Chevrolet Trailblazer?

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 9006 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 Chevrolet Trailblazer?

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 9006 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 Chevrolet Trailblazer headlights?

A pair of halogen 9006 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 Chevrolet Trailblazer?

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 9006 LED position are available as direct plug-and-play replacements.

The 2008 Chevrolet Trailblazer has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2008 Chevrolet Trailblazer

What Size Bulbs Does a 2008 Chevrolet Trailblazer 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 Chevrolet Trailblazer Have?

Lighting on the 2008 Chevrolet Trailblazer 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 dual-bulb halogen configuration using separate 9006 LED low beam and 9005 LED high beam bulbs for precise light distribution. This model belongs to the late years of the Trailblazer's 2002-2009 production span.

Can You Put LED Bulbs in a 2008 Chevrolet Trailblazer?

For a Chevrolet 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 9006 LED low beams, as they see the most use. Adding a matching 9005 LED LED kit later will complete the look and ensure consistent lighting performance. Don't forget the 893 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2008 Chevrolet Trailblazer Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	9006 LED	Buy 9006 LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	893 LED	Buy 893 LED →
Brake Light	3157CK	Buy 3157CK →
Side Marker	194 LED	Buy 194 LED →
Turn Signal Front	3757AK LED	Buy 3757AK LED →
Turn Signal Rear	3157KX LED	Buy 3157KX LED →
Reverse Light	3157KX	Buy 3157KX →
Dome Light	212-2	Buy 212-2 →
License Plate	2825	Buy 2825 →
Map Light	2825	Buy 2825 →
Parking Light	3757AK	Buy 3757AK →
Trunk Light	212-2	Buy 212-2 →
Tail Light	3157	Buy 3157 →

How do the 2008 Chevrolet Trailblazer's bulbs compare to other years?

The 2008 Chevrolet Trailblazer 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 →

Finding the best installation guide...

Other Trailblazer Years

2009 2007 2006 2005 2004 2003 2002

More from Chevrolet

3A 3B 3C 3D 3E 3F 3G All Light Trucks

Other Vehicles That Use 9006 LED Bulbs

2020 Dodge Journey 2019 GMC Savana 2500 HD 2019 GMC Savana 3500 HD 2015 Honda Civic 2015 Nissan Armada 2015 Nissan Titan