Chevrolet Trailblazer headlight bulb size by year
The low beam, high beam and fog light bulbs for every Chevrolet Trailblazer from 2002–2026. Pick your year to jump straight to it. Each answer links to the page in Chevrolet’s owner’s manual it came from.
Chevrolet Trailblazer bulb sizes at a glance
Where a year lists more than one bulb, it depends on trim or headlight type; see that year’s section below.
2002–2009 Chevrolet Trailblazer headlight bulbs
| Light | Bulb | Notes |
|---|---|---|
| High beam | 9005 also sold as HB3 | Two sources |
Where this comes from (8 sources)
- Chevrolet parts catalogue (gmpartsgiant) and 1993 Oldsmobile Eighty Eight Owner's Manual, p. 273 (confirms part 1999437/9441732 = 9005LL) (2002)
- Chevrolet parts catalogue (gmpartsgiant) and 1993 Oldsmobile Eighty Eight Owner's Manual, p. 273 (confirms part 1999437/9441732 = 9005LL) (2003)
- Chevrolet parts catalogue (gmpartsgiant) and 1993 Oldsmobile Eighty Eight Owner's Manual, p. 273 (confirms part 1999437/9441732 = 9005LL) (2004)
- Chevrolet parts catalogue (gmpartsgiant) and 1993 Oldsmobile Eighty Eight Owner's Manual, p. 273 (confirms part 1999437/9441732 = 9005LL) (2005)
- Chevrolet parts catalogue (gmpartsgiant) and 1993 Oldsmobile Eighty Eight Owner's Manual, p. 273 (confirms part 1999437/9441732 = 9005LL) (2006)
- Chevrolet parts catalogue (gmpartsgiant) and 1993 Oldsmobile Eighty Eight Owner's Manual, p. 273 (confirms part 1999437/9441732 = 9005LL) (2007)
- Chevrolet parts catalogue (gmpartsgiant) and 1993 Oldsmobile Eighty Eight Owner's Manual, p. 273 (confirms part 1999437/9441732 = 9005LL) (2008)
- Chevrolet parts catalogue (gmpartsgiant) and 1993 Oldsmobile Eighty Eight Owner's Manual, p. 273 (confirms part 1999437/9441732 = 9005LL) (2009)
Buy bulbs for your 2002–2009 Chevrolet Trailblazer
Same light as the original bulb, at the lowest price. Fits your high beam.
2021–2023 Chevrolet Trailblazer headlight bulbs
Where this comes from (3 sources)
- Chevrolet parts catalogue (gmpartsgiant) and 2010 GMC Terrain Owner's Manual, p. 312 (confirms part 13589425 = 9005) (2021)
- Chevrolet parts catalogue (gmpartsgiant) and 2010 GMC Terrain Owner's Manual, p. 312 (confirms part 13589425 = 9005) (2022)
- Chevrolet parts catalogue (gmpartsgiant) and 2010 GMC Terrain Owner's Manual, p. 312 (confirms part 13589425 = 9005) (2023)
Buy bulbs for your 2021–2023 Chevrolet Trailblazer
Same light as the original bulb, at the lowest price. Fits your low beam.
Same light as the original bulb, at the lowest price. Fits your high beam.
2024–2025 Chevrolet Trailblazer headlight bulbs
| Light | Bulb | Notes |
|---|---|---|
| Low beam | LED | uplevel headlamp assembly only (base headlamp type not stated) |
| High beam | LED | uplevel headlamp assembly only (base headlamp type not stated) |
LED headlights are usually serviced as a complete lamp assembly rather than a separate bulb; a dealer or parts counter can quote the assembly for your trim.
Where this comes from (2 sources)
2026 Chevrolet Trailblazer headlight bulbs
| Light | Bulb | Notes |
|---|---|---|
| Low beam | LED | uplevel headlight assembly only (base headlight type not stated) |
| High beam | LED | uplevel headlight assembly only (base headlight type not stated) |
LED headlights are usually serviced as a complete lamp assembly rather than a separate bulb; a dealer or parts counter can quote the assembly for your trim.
Where this comes from (1 source)
Always double-check the size printed on the old bulb’s base before you buy. See how we source our data. More Chevrolet models.