New Mercury Alpha One Gen II Complete Sterndrive
This is a complete new Genuine Mercury OEM Alpha One Generation II sterndrive for single- and twin-engine applications.
Important: Select the correct drive ratio and rotation from the options above before adding the sterndrive to your cart. Do not select a drive based on appearance alone.
This Complete Sterndrive Includes:
- Upper gear housing assembly
- Lower gear housing assembly
- Yoke and universal joint assembly
- Integrated seawater pump
The upper and lower gear housings come together as one complete sterndrive assembly.
Not Included:
- Propeller
- Transom or gimbal housing assembly
- Trim cylinders
Available Configurations
Available in 1.47, 1.62, 1.81, 2.00, and 2.40 gear ratios with standard right-hand or counter left-hand rotation options.
Alpha One Gen II sterndrives are designed for boats capable of speeds up to 65 MPH and are commonly used with gasoline engines producing up to 300 HP and diesel engines producing up to 150 HP.
The efficient hydrodynamic profile helps reduce drag, while the integrated seawater pump and permanently lubricated pivot points help simplify routine maintenance.
🔧 BAM Tip: Before ordering, confirm that the gear ratio and rotation listed on this page match the drive being replaced. If you are unsure, contact us with both the engine serial number and sterndrive serial number so we can help verify the correct replacement.
