Chevrolet Trailblazer Brake Bulb Size
The Chevrolet Trailblazer brake light utilizes 7440, 3157, and 2458 bulb sizes for the rear lighting system. Data for the specific components covers the period from 2002 through 2024.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Bulb Size by Year Range
| Years | Bulb Size |
|---|---|
| 2023-2024 | 7440 |
| 2021 | 7440 |
| 2002-2005 | 3157 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 |
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3157 |