
PIAA 18880 880 Xtreme White Plus
$58.60
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Used for: Fog Light Bulb Front(Base)
Used for: Fog Light Bulb Front(SS)
Used for: Headlight Bulb High Beam, Daytime Running Light Bulb
Used for: Back Up Reverse Light Bulb, Turn Signal Light Bulb Rear
Used for: Brake Light Bulb, Tail Light Bulb
Used for: License Plate Light Bulb, Map Light Bulb
Used for: License Plate Light Bulb, Map Light Bulb
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front
Used for: Courtesy Light Bulb, Glove Box Light Bulb
Used for: Courtesy Light Bulb, Glove Box Light Bulb
Used for: Dome Light Bulb, Trunk or Cargo Area Light
Used for: Vanity Mirror Light Bulb
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.
The high beam headlight bulb is 9005.
The daytime running light bulb is 9005.
The front turn signal bulb is 3757A.
The front parking light bulb is 3757A.
The front fog light bulb for the base model is 880.
The front fog light bulb for the SS model is 893.
Both the brake light and tail light use 3157R.
The rear turn signal bulb is 3157, and the back up reverse light bulb is also 3157.
The license plate light uses 2825 or 98.
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.
The dome light and trunk or cargo area light use 212-2.
The vanity mirror light bulb is 7065.
No. The center high mount stop light uses LED.
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.