This Genuine Mazda RX-7 FD3S Back Lamp set includes both the left and right tail light assemblies. It is compatible with specific models and comes with OE/OEM part numbers F100-51-240B and F100-51-250B, as well as manufacturer part numbers F10051250B and F10051240B. This product is listed under the Tail Light Assemblies category in eBay Motors, and is perfect for those looking to replace their old or damaged tail lights.