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Alpha One® Gen I Kits

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Gear Set 1.94 / 2.40 — Gear Set 1.94 / 2.40 $219.37

Gear Set 1.81 — Gear Set 1.81 $232.12

Gear Set 1.47 — Gear Set 1.47 $333.89

Complete Gear Set, 1.62:1, 3.500" OD Case — Complete Gear Set, 1.62:1, 3.500" OD Case $398.55

Complete Gear Set, 1.62:1, Counter Rotation — Complete Gear Set, 1.62:1, Counter Rotation $556.11

Gear Set 1.62-HD — Gear Set 1.62-HD $333.89

Complete U-Joint Assembly — Complete U-Joint Assembly $299.51

Roller Bearing Kit (For Press Fit Gears Only) — Roller Bearing Kit (For Press Fit Gears Only) $113.29

Upper Seal Kit Alpha One Gen I — Upper Seal Kit Alpha One Gen I $37.64

Lower Housing Seal Kit Alpha I Gen I — Lower Housing Seal Kit Alpha I Gen I $60.02

Bell Housing Gasket Set — Bell Housing Gasket Set $10.00

Alpha I Gen I Water Pump Kit — Alpha I Gen I Water Pump Kit $70.95

Alpha I Gen I Impeller Kit — Alpha I Gen I Impeller Kit $27.51

Water Pocket Cover Kit — Water Pocket Cover Kit $25.52

Water Pump Base MC-1/R — Water Pump Base MC-1/R $25.56

Water Pump Base MR/Alpha I Gen I — Water Pump Base MR/Alpha I Gen I $27.93

Alpha I Gen I Top Cover Assembly — Alpha I Gen I Top Cover Assembly $82.79

Intermediate Shift Shaft Install Kit — Intermediate Shift Shaft Install Kit $45.39

Water Pick Up Insert Kit — Water Pick Up Insert Kit $10.03

Shim Set (For 93-102-03/04 Bearing) — Shim Set (For 93-102-03/04 Bearing) $7.49

Shim Set (For 93-102-01 Bearing) — Shim Set (For 93-102-01 Bearing) $6.14

Shim Set (For 93-102-06K Bearing Kit) — Shim Set (For 93-102-06K Bearing Kit) $8.75

Shim Kit, Drive Shaft — Shim Kit, Drive Shaft $7.23

Shim Kit (3.500" Diameter Case) — Shim Kit (3.500" Diameter Case) $10.92

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Anode Kit (2) Bearing Kit (1) Bell Housing Gasket Kit (1) Gear Kit (7) Install Kit (1) Misc. (1) Seal Kit (3) Shim Kit (7) Top Cover (1) Trim Cylinder Hoses and Hardware (10) U-Joint Assembly (1) Water Intake Screens (1) Water Pump (5)

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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.