Bulb. Left.21 watt. PartQualifier: 21 watt. Right.21 watt. A Light Bulb for a back up Light. A Light Bulb for a brake Light. A Light Bulb for a fog Light. A Light Bulb for a license plate Light. A Light Bulb for a Light Bulb. A Light Bulb for a side marker Light. A Light Bulb for a turn Signal. Part included in tail Lamp assembly. 12V - 21W. Backup. Brake. Exterior S. Fog. License Plate. Side Marker. Stop. Tail. TURN. Included with: Backup Lamp assembly, Inner tail Lamp, Lamp assembly, License Lamp, Tail Lamp assembly.