Description
New MerCruiser Alpha One Complete Lower Unit/Gearcase – Gen I (1972–1990)
This New Mercruiser Alpha One Sterndrive is a high-performance aftermarket replacement for MerCruiser Alpha One I/O models from 1972 to 1990, including R/MR drives. Built to deliver long-lasting reliability and power, it includes multiple gear ratio options and is designed to seamlessly replace worn or damaged Alpha One Gen 1 lower units.
This complete (New Mercruiser Alpha One Sterndrive) is a direct-fit solution with factory-style design and quality components. Whether you’re replacing a damaged unit or restoring an older Alpha One drive, this lower unit delivers value and dependability for Alpha One sterndrive owners, especially for those who require exact MerCruiser Alpha Gen 1 compatibility.
Features & Benefits:
- Fits MerCruiser Alpha One Gen 1 drives (R/MR models, 1972–1990)
- Works with multiple gear ratio configurations
- Fully assembled with shift shaft and internal components
- Strong aftermarket alternative to OEM parts
- Backed by a 3-Year FAULT-FREE Warranty
- Compatible with various Alpha One drive setups
Pricing
Total Price: $1,935
Less $200 Core Rebate
Final Price: $1,735
Product Finish:
- Rugged cast aluminum housing
- Non-OEM, aftermarket engineered
- OEM-matching quality & performance
- Black factory-style finish
- Includes internals, ready to install
Core Rebate Information
- Return your old core, get up to $200 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 to avoid common lower unit replacement mistakes
- To help extend the life of your gearcase, check out our Boat Maintenance Checklist
Reviews
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