GMC C3500HD Luggage Compartment Bulb Size
The GMC C3500HD luggage compartment utilizes 912 and 921 bulb sizes for the internal lighting components. Data for the specified vehicle covers the period from 1993 through 2002.
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 |
|---|---|
| 1999-2002 | 912 |
| 1993-1998 | 921 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W. | 912 |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 |