GMC W5500 Forward Turn Signal Bulb Size
GMC W5500 Forward front and rear turn signal bulbs use 1157, 1073, or 2057 size specifications. The replacement chart covers vehicle production years spanning 1988 to 2001.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
As an Amazon Associate, we may earn a commission from purchases made through links marked . Read more in our disclaimer .
Front Turn Signal
Years Bulb Size
1997-2001 1157 (Tiltmaster) 1994-1996 1073 (Tiltmaster) 1993 2057 (Tiltmaster) 1992 2057 (Medium Duty) 1073 (Tiltmaster) 1990-1991 1157 (Medium Duty) 1073 (Tiltmaster) 1989 1157 (Medium Duty) 2057 (Tiltmaster) 1988 1157 (Medium Duty) 1073 (Tiltmaster)
Rear Turn Signal
Years Bulb Size
1997-2001 1157 (Tiltmaster) 1995-1996 1073 (Tiltmaster) 1994 2057 (Tiltmaster) 1993 1073 (Tiltmaster) 1992 1157 (Medium Duty) 1073 (Tiltmaster) 1990-1991 2057 1989 2057 (Medium Duty) 1073 (Tiltmaster) 1988 1157 (Medium Duty) 2057 (Tiltmaster)
Bulb Specifications
Description
Bulb Size
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. 1157 ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. 1073 ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. 2057