Chevrolet Suburban Turn Signal Indicator Bulb Size
Chevrolet Suburban turn signal indicator bulb sizes include PC74, 74, and 194 specifications across multiple vehicle generations. The replacement chart covers 1985 to 2006 production years with corresponding bulb size data.
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 |
|---|---|
| 2001-2006 | PC74 |
| 2000 | 74 (Early Model) |
| 1993-1999 | 74 |
| 1989-1991 | 194 |
| 1985-1988 | 168 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |