This is an OEM Chevy tail light.
Please note, the upper tab on the inside is broken.  Nothing to do with the lighting, but on the inside, instead of using 2 screws to connect, you will only use the lower tab.        No biggy, but please note that


This is a high-quality right driver side rear tail light assembly for the 2003-2006 Chevy Silverado 1500 and 2500 JGY. It is made for General Motors and is perfect for those looking to replace their current tail light assembly. The assembly is specifically designed for this model and is guaranteed to fit seamlessly. With clear and bright lighting, this tail light assembly will ensure that you are seen on the road and will keep you and other drivers safe. It is easy to install and comes with all necessary hardware. Don't miss out on this great deal for a reliable and durable tail light assembly.