The GMC Savana front inner turn signal uses 3157 or 2057NA bulb sizes, the front outer turn signal uses 12961 bulb size, the front turn signal uses 194, 12961, or 3157 bulb sizes, and the rear turn signal uses 3157 or 2057 bulb sizes. The replacement chart contains vehicle production years and bulb size specifications spanning 1996 to 2024.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.