GMC R1500 Suburban Side Marker Bulb Size
The GMC R1500 Suburban uses a 168 bulb size for front side marker applications and a 194 bulb size for rear side marker positions. The replacement chart covers 1987 to 1991 model years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Side Marker
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1987-1991 | 168 | W5W | Check Price |
Rear Side Marker
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1987-1991 | 194 | W5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| 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 |