GMC W4500 Forward Turn Signal Indicator Bulb Size
The GMC W4500 Forward turn signal indicator requires bulb sizes 158 and PC194 for the specific lighting components located within the instrument panel. Data for the specified bulb sizes covers the range from 1992 through 1996.
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 |
|---|---|---|---|
| 1995-1996 | 158 (Tiltmaster) | 158 | Check Price |
| 1993-1994 | PC194 (Tiltmaster) | W5W+PCB | Check Price |
| 1992 | 158 (Tiltmaster) | 158 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 | Check Price |