Mercruiser ALPHA 1, GEN 2, 5121200TP

OEM MerCruiser Alpha One Gen 2 Outdrive – 5121200TP (1.47 Ratio)

Fits Alpha I Gen II Sterndrives | Genuine Mercury Marine OEM | 1-Year Warranty

Upgrade your marine performance with the MerCruiser Alpha One Gen 2 Outdrive (5121200TP) – a complete, genuine Mercury Marine OEM sterndrive system, engineered for reliable operation and long-lasting durability. Built specifically for the Alpha I Gen II platform, this unit features a 1.47 gear ratio, making it ideal for many standard marine applications.

This Alpha One Gen 2 outdrive is not a rebuilt or aftermarket unit – it is factory new and precision-engineered to the exact specifications required for seamless installation and optimal power transfer. It fits a wide range of boats and engines using MerCruiser Alpha 1 sterndrive systems, making it one of the most popular outdrives in the boating world.

If you’re looking for a MerCruiser Alpha 1 Gen 2 lower unit or a full outdrive replacement, this product delivers the perfect combination of performance, OEM reliability, and serviceability. With decades of success behind the MerCruiser Alpha One generation, you can count on this Gen 2 outdrive to keep your boat moving smoothly season after season.

Features & Benefits:

• 🔧 Genuine OEM Quality: Not a rebuilt or aftermarket part—100% Mercury Marine factory OEM
• 🛠️ Fully Assembled: Arrives ready to install—upper and lower units pre-assembled
• 📈 Optimal Performance: Matched ratio for ideal RPM range, power efficiency, and fuel economy
• 🌊 Saltwater Ready: Built with marine-grade corrosion resistance
• 🔁 Interchangeable: Direct replacement for MerCruiser Alpha One Gen 2 outdrive configurations
• 💰 Core Rebate Available: Save $400 when you return your used unit
• 🛡️ 1-Year Factory Warranty: Covers OEM parts for peace of mind

Pricing

Total Price: $3,775
Less $400 Core Rebate
Final Price: $3,375

Product Finish:

• High-strength marine black paint
• Factory corrosion-resistant finish
• Long-term durability for fresh or saltwater applications

Core Rebate Information

• Return your old core, get up to $400 back
• Rebate amount will vary based on the condition of your core
• ♻️ Recycle your core- keep boat parts out of the landfill

Useful Resources

• 🔍 How to find your Boat Engine serial number
• Still deciding? Watch our YouTube video How avoid common lower unit replacement mistakes
• To help extend the life of your gearcase, check out our Boat Maintenance Checklist