
PIAA 18880 880 Xtreme White Plus
$58.60
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Used for: Fog Light Bulb Front(LS)
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 for the 2006 Chevrolet TrailBlazer helps you verify the correct bulb size by lighting position, so you can match the right lamp to the right socket before you buy. Whether you are replacing an exterior signal bulb, a cabin light, or a cargo-area lamp, checking the bulb chart by location reduces guesswork and makes the job faster.
The 2006 TrailBlazer uses a mix of halogen and small interior bulbs, and some positions may vary by trim, body style, or lighting package. Use the listings on this page as a practical reference for common fitments such as headlights, parking lights, brake lights, reverse lights, and courtesy lighting on this model year.
For best fitment, compare the bulb type on the vehicle with the chart before ordering, especially if your TrailBlazer has a different trim or an optional lighting package. Some owners also convert certain halogen bulbs to LED, but LED replacements may change brightness, beam pattern, or warning behavior, so it is important to choose compatible parts and verify polarity where needed. Aftermarket conversions can work well for interior and some exterior positions, but the safest approach is to check the installed bulb first and confirm the base style before purchase.
The high beam bulb size listed for the 2006 Chevrolet TrailBlazer is 9005.
The daytime running light bulb size is 9005.
The front turn signal bulb size is 3757A.
The front parking light bulb size is 3757A.
The rear turn signal bulb size is 3157.
The brake light bulb size listed for the 2006 Chevrolet TrailBlazer is 3157R.
The tail light bulb size is 3157R.
The back up reverse light bulb size is 3157.
The front side marker light bulb size is 194NA.
The front fog light bulb size is 880 for LS models and 893 for SS models.
The license plate light bulb size is 2825 or 98.
Both the map light and glove box light use 2825 or 98 bulbs.
The dome light and trunk or cargo area light use 212-2 bulbs.
The center high mount stop light is listed as LED on this page, so it is not shown as a standard replaceable halogen bulb size.
Trim level, body style, and lighting package can change the bulb used in certain positions, so it is smart to confirm the installed bulb before ordering.
Either can work depending on the position, but LED upgrades should be checked for fit, brightness, and compatibility with the original housing and electrical system.