Quicksilver Alpha One Gen II Sterndrive Ratio Standard Rotation Drives, Gearcases & Transoms

The Quicksilver Alpha One Gen II sterndrive is a complete drive unit for inboard/stern drive (I/O) marine engines. It is built around the Alpha One design used on many recreational powerboats. Each version is a standard rotation sterndrive. Gear ratio options are offered as separate variants within this product line.

Key Features:

• Standard rotation sterndrive for single-engine installations
• Gen II design with updated components over the original Alpha One
• Gearcase and drive housing designed for marine use
• Multiple gear ratio options to match engine, hull and propeller needs
• Quicksilver is the Mercury Marine parts and accessories brand

Use the Alpha One Gen II sterndrive when you are replacing or rebuilding a drive on a compatible I/O boat. Choose the gear ratio variant that matches your engine and performance requirements.