GMC P4500 High Beam Indicator Bulb Size
The GMC P4500 high beam indicator utilizes bulb sizes 1445, 194, and 168 for the instrument panel lighting system. Available data for the specified components covers the span from 1979 to 1988.
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 |
|---|---|---|---|
| 1988 | 1445 | 1445 | Check Price |
| 1985-1987 | 1445 | 1445 | Check Price |
| 194 (Medium Duty) | W5W | Check Price | |
| 1980-1984 | 1445 | 1445 | Check Price |
| 1979 | 1445 | 1445 | Check Price |
| 168 (Medium Duty) | W5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 | 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, 4.9W. | 168 | Check Price |