8 Years Available
Chevrolet Trailblazer Light Bulb Sizes
Complete bulb size reference for the Chevrolet Trailblazer from 2002 to 2009. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same 9006 low beam bulb for Chevrolet trailblazer entries from 2002 to 2009. Confirm your trim and factory lighting package before buying.
Year Range
2002 – 2009
8 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Low Beam | 9006(2002–2009) | 8 years | Consistent |
| High Beam | 9005(2002–2009) | 8 years | Consistent |
| Fog Light | 881(2006–2009) 880(2002–2005) | 8 years | Changed |
| Side Marker | 194(2002–2009) | 8 years | Consistent |
| Turn Signal Front | 3757AK(2002–2009) | 8 years | Consistent |
| Turn Signal Rear | 3157KX(2002–2009) | 8 years | Consistent |
| Reverse Light | 3157KX(2002–2009) | 8 years | Consistent |
| Dome Light | 212-2(2002–2009) | 8 years | Consistent |
| License Plate | 2825(2002–2009) | 8 years | Consistent |
| Map Light | 2825(2006–2009) 194(2002–2005) | 8 years | Changed |
| Parking Light | 3757AK(2002–2009) | 8 years | Consistent |
| Trunk Light | 212-2(2002–2009) | 8 years | Consistent |
| Tail Light | 3157CK(2002–2009) 3157(2006–2008) | 8 years | Changed |
| Brake Light | 3157CK(2002–2008) 3157(2006–2009) | 8 years | Changed |
Common Trailblazer Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Chevrolet Trailblazer from 2002 to 2009, covering 8 model years. Select your year below for a complete position-by-position bulb chart.
No, the Chevrolet Trailblazer has used the 9006 low beam bulb consistently across all 8 model years in our database. Any year in the 2002–2009 range uses the same bulb.
The Chevrolet Trailblazer uses a 9006 bulb for the low beam and a 9005 for the high beam, and a 881 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Chevrolet Trailblazer uses a 9006 low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.