This is a high-quality radio that is compatible with 2015-2016 Chevrolet Express 2500 and 3500 as well as GMC Savana. It comes with an AUX port and is UNLOCKED for easy Plug & Play installation. This radio is manufactured by General Motors and has OE/OEM part numbers 23475277 and 28435272. It was made in Mexico and is not a vintage or performance part. The SKU is Gm704U and it is not for universal fitment. This radio will make a great addition to your vehicle and improve your driving experience.