This Johnson 5.5HP (CD-20) Lower Unit Gear Case comes with both an upper and lower housing, making it a complete outboard lower unit. It is designed for a 2-stroke engine and has a manufacturer part number of 378595. This item is perfect for those looking to upgrade their outboard engine and has no warranty. The brand of this lower unit is Johnson and it has an engine of 5.5 HP. It is compatible with a variety of boats and is a great addition to any boater's collection. This item is located in the Complete Outboard Lower Units category and is a must-have for those looking to improve their boat's performance.