T10 12V-3.8W. A Light Bulb For a Back up Light. A Light Bulb For a Courtesy Light. A Light Bulb For a HeadLight. A Light Bulb For a License Plate Light. NO.1. Parking Lamp. Side Marker Light Bulb. Sun Visor Light Bulb. T10 12V-3.8W. Tail Light Bulb. Turn Signal Light Bulb.