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MERCRUISER...
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For Alpha One® Gen I Sterndrives (1972-1990)

Alpha One® Gen I Sterndrive Applications — Alpha One® Gen I Sterndrive Applications

Alpha One® Gen I Sterndrive Applications; Counter Rotation — Alpha One® Gen I Sterndrive Applications; Counter Rotation

Alpha One® Gen I Sterndrive Lower Applications — Alpha One® Gen I Sterndrive Lower Applications

Alpha One® Gen I Sterndrive Upper Applications — Alpha One® Gen I Sterndrive Upper Applications

Alpha One® Gen I Housing Replacements — Alpha One® Gen I Housing Replacements

Alpha One® Gen I Shaft Replacements — Alpha One® Gen I Shaft Replacements

Alpha One® Gen I Gear Replacement Parts — Alpha One® Gen I Gear Replacement Parts

Alpha One® Gen I Bearing Replacement Parts — Alpha One® Gen I Bearing Replacement Parts

Alpha One® Gen I U-Joints and Components — Alpha One® Gen I U-Joints and Components

Alpha One® Gen I Bearing Carrier — Alpha One® Gen I Bearing Carrier

Alpha One® Gen I Gaskets & Seals — Alpha One® Gen I Gaskets & Seals

Alpha One® Gen I Shims — Alpha One® Gen I Shims

Alpha One® Gen I Miscellaneous — Alpha One® Gen I Miscellaneous

Alpha One® Gen I Water Pump — Alpha One® Gen I Water Pump

Alpha One® Gen I Trim Cylinders — Alpha One® Gen I Trim Cylinders

Alpha One® Gen I Trim Cylinders Hoses & Hardware — Alpha One® Gen I Trim Cylinders Hoses & Hardware

Alpha One® Trim Pump — Alpha One® Trim Pump

Alpha One® Gen I Transom — Alpha One® Gen I Transom

Alpha One® Gen I Kits — Alpha One® Gen I Kits

Alpha One® Gen I Manuals — Alpha One® Gen I Manuals

Alpha One® Driveshower — Alpha One® Driveshower

Gen I Anodes — Gen I Anodes

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©Copyright 2025. Sterndrive Engineering Inc. All Rights Reserved.

The three year fault-free warranty covers any damage to the drive that requires it to be repaired or replaced including failures resulting from lack of oil, fishing line, impact, neglect, and other abuse. Sterndrive Engineering, Inc. (SEI) manufactures a stern drive designed to replace Mercury Marine's MerCruiser®, Alpha One®, R, MR, Gen II and Bravo One® stern drives. MerCruiser®, Alpha One®, Gen II, R, MR and Bravo One® are trademarks of the Brunswick Corporation. SEI has no affiliation with the Brunswick Corporation. Consequently, any warranties governing products manufactured and/or sold by Brunswick Corporation will not apply to products manufactured and/or sold by SEI, or to products damaged due to the operation of an SEI product. Sterndrive Engineering, Inc. is not affiliated with Mercury®; Yamaha®; OMC® or their products. All reference to their trademarks and trade names are the property of the respective owners.