The product is a MerCruiser Alpha One Gen 1 lower unit, manufactured in the United States. It's off a 190 horsepower 4-stroke engine and comes with no warranty. The manufacturer part number is 16238950-0. It is designed for use in complete outboard lower units and is categorized under outboard engines and components, boat parts, and parts and accessories in eBay Motors. In good working condition, just replaced with a newer unit.