Chevrolet TrailBlazer 2008 Bulb Size
Bulb size chart
This page helps you verify bulb sizes for the 2008 Chevrolet TrailBlazer by lighting position, so you can match the correct replacement before you buy. Whether you are changing a headlight, a tail light, or a small interior bulb, checking the exact socket location is the easiest way to avoid fitment mistakes.
The 2008 Chevrolet TrailBlazer uses several different bulb types across the exterior and interior lighting system. Some positions use standard halogen bulbs, while others may use LED or different base styles depending on trim, body style, and market. Use the bulb chart on this page to compare each lamp location with the correct bulb size.
Fitment can vary on the 2008 TrailBlazer, especially when comparing trims, lighting packages, and factory options. Base halogen setups may differ from aftermarket LED conversions, and a bulb that physically fits may still need an adapter, resistor, or proper aiming to work correctly. Before ordering, it is smart to remove the installed bulb and confirm the number printed on the base, since previous owners may have already changed some lights to non-original parts. That quick check is especially useful for fog lights, interior lamps, and rear lighting where replacements are often mixed during repairs.
FAQ
What bulb does the 2008 Chevrolet TrailBlazer use for the high beam headlight?
The high beam headlight bulb is 9005.
What is the daytime running light bulb size on a 2008 TrailBlazer?
The daytime running light bulb is 9005.
What bulb fits the front turn signal on this model?
The front turn signal bulb is 3757A.
What bulb is used for the front parking light on the 2008 Chevrolet TrailBlazer?
The front parking light bulb is 3757A.
Which bulb fits the front fog lights on a base TrailBlazer?
The front fog light bulb for the base model is 880.
Which bulb fits the front fog lights on the SS model?
The front fog light bulb for the SS model is 893.
What bulb is used for the brake light and tail light?
Both the brake light and tail light use 3157R.
What bulb fits the rear turn signal and reverse light?
The rear turn signal bulb is 3157, and the back up reverse light bulb is also 3157.
What bulb size is used for the license plate light?
The license plate light uses 2825 or 98.
What bulb fits the map light and glove box light?
The map light and glove box light use 2825 or 98, although some listings may also show 194 or 7441 for those positions depending on the specific lamp setup.
What bulb is used for the dome light and cargo area light?
The dome light and trunk or cargo area light use 212-2.
What bulb fits the vanity mirror light?
The vanity mirror light bulb is 7065.
Does the center high mount stop light use a standard bulb?
No. The center high mount stop light uses LED.
Why should I check the installed bulb before buying replacements?
Because trim level, market, and previous repairs can change the bulb already in the vehicle, and checking the installed part helps confirm the correct fit before purchase.