GMC W7500 Forward Parking Brake Indicator Bulb Size
The GMC W7500 Forward parking brake indicator uses bulb sizes 158, 168, and PC74. Data for the specific components spans the period from 1984 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 |
|---|---|---|---|
| 1996 | 158 (Tiltmaster) | 158 | Check Price |
| 1995 | PC74 (Tiltmaster) | T5+PCB | Check Price |
| 1994 | 158 (Tiltmaster) | 158 | Check Price |
| 1992-1993 | PC74 (Tiltmaster) | T5+PCB | Check Price |
| 1989-1991 | 158 (Tiltmaster) | 158 | Check Price |
| 1988 | 158 (Tiltmaster) | 158 | Check Price |
| 168 (With 2 Round Headlamps) | W5W | Check Price | |
| 1985-1987 | 158 | 158 | Check Price |
| 168 (With 2 Round Headlamps) | W5W | Check Price | |
| 1984 | 158 (Tiltmaster) | 158 | Check Price |
| 168 (With 2 Round Headlamps) | W5W | 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 (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 | 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 |