Quicksilver 5121300TP Alpha One Gen 2 Sterndrive 1.62 Ratio Standard Rotation

The Quicksilver 5121300TP is a genuine Mercury Marine OEM Alpha One Generation II complete sterndrive assembly featuring a 1.62:1 gear ratio with standard (right-hand) rotation. This factory-new outdrive unit is engineered to exact Mercury Marine specifications and replaces Alpha Gen 2 sterndrives from 1991 to current model years.

Key Features:

• Genuine Mercury Marine Quicksilver OEM factory part - not aftermarket
• 1.62:1 gear ratio provides balanced combination of speed and torque for cruising and towing
• Alpha One Gen II platform compatible with MerCruiser small block V6 and V8 applications including popular 4.3L configurations
• Complete sterndrive assembly includes upper and lower units, pre-filled and factory sealed
• Proprietary forged gear sets deliver years of durable, quiet operation
• Tri-paint corrosion protection system (Irridite, EDP, and powder coating) creates durable barrier against harsh marine environments
• Efficient hydrodynamic profile minimizes drag for improved fuel efficiency and performance
• Armored trim lines protect hydraulic system from debris
• Ready for immediate installation - arrives pre-assembled and tested

The Alpha One Generation II sterndrive earned its reputation as the world's most popular sterndrive by delivering reliable performance, value, and maintenance-free features. Quicksilver, Mercury Marine's original equipment parts division since 1950, manufactures this drive to the highest standards of quality and durability. This complete drive unit typically weighs approximately 97 pounds and includes installation hardware. Supersedes part number 5121300LP.