
PIAA 18880 880 Xtreme White Plus
$58.60
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Used for: Fog Light Bulb Front(LT)
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 covers bulb sizes for the 2009 Chevrolet TrailBlazer and is organized by lighting position so you can quickly verify the correct fit before ordering. Whether you are replacing an exterior lamp or a small interior bulb, checking the bulb chart by location helps reduce guesswork and makes replacement faster.
The 2009 TrailBlazer uses several different bulb types depending on the light assembly, and some positions may vary by trim, market, or body style. Use this guide to match the bulb to the exact location on your vehicle, such as headlights, tail lights, license plate lights, dome lights, and fog lights.
For the best fit, compare your TrailBlazer’s trim and lighting package with the bulb chart before buying. Some positions may use halogen bulbs from the factory, while others may be converted to LED by a previous owner, so it is smart to inspect the installed bulb first. Aftermarket LED upgrades can work well, but beam pattern, polarity, and housing compatibility may differ from stock halogen bulbs. If a light has been changed before, the bulb currently in the vehicle is often the most reliable reference for replacement.
The high beam headlight bulb size listed for the 2009 Chevrolet TrailBlazer is 9005.
The daytime running light bulb size is 9005.
The front turn signal bulb size listed for this model is 3757A.
The front parking light uses a 3757A bulb.
Fog light fitment can vary by version. The listed front fog light bulb sizes are 880 for LT and 893 for SS.
The rear brake light bulb size is 3157R.
The rear tail light bulb size is 3157R.
The rear turn signal bulb size listed for this vehicle is 3157.
The back up reverse light bulb size is 3157.
The license plate light bulb size is listed as 2825 or 98.
The map light bulb size is listed as 2825 or 98.
The dome light bulb size is 212-2.
The trunk or cargo area light uses a 212-2 bulb.
The glove box light bulb size is listed as 194 or 7441.
Not always. Trim level, lighting package, market, and body style can change the bulb used in some positions, so it is best to confirm by location.
Yes. Checking the installed bulb is one of the easiest ways to confirm fitment, especially if the vehicle has had aftermarket repairs or LED conversions.