GMC C3500 Courtesy Bulb Size
The GMC C3500 courtesy light uses bulb sizes 561, 168, 194, 1003, 1004, and 1895. Available data for the specified components spans the period from 1979 through 2000.
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
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2000 | 561 | 561 | Check Price |
| 1998-1999 | 168 | W5W | Check Price |
| 1997 | 194 | W5W | Check Price |
| 1996 | 1003 | 1003 | Check Price |
| 1992-1995 | 168 | W5W | Check Price |
| 1988-1991 | 1003 | 1003 | Check Price |
| 1986 | 194 | W5W | Check Price |
| 1985 | 168 | W5W | Check Price |
| 1981-1984 | 1004 | 1004 | Check Price |
| 1980 | 1895 | 1895 | Check Price |
| 1979 | 1004 | 1004 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 561 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W. | W5W | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1004 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1895 | Check Price |