The product is a 1979-1991 Mercury Colony Park left tail light assembly, specifically designed by Ford. The OEM part number is D9MB-13441-BC, with the manufacturer part number D9MB. This tail light fits on the left side of the vehicle, making it a crucial component for ensuring proper visibility and safety while driving. Made by Ford, this high-quality tail light assembly is a reliable and authentic part for Mercury Colony Park vehicles from the specified years.