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Sterndrive Mercruiser - Alpha One Gen I - Complete SEI-106

The alpha one generation I is sterndrive replacement’s flagship product. Known and renowned for this particular item, the Mercruiser alpha one generation I sterndrive is one of the most reliable pieces of hardware on the market. The alpha one comes with a 3 years warranty, making it the safest value on the aftermarket anyone can offer, plus it comes with a smile! All of our pre-built alpha one generation I units can come in varying ratios: 1.47, 1.62, 1.81 or 1.94.

To place an order, please dial 954-271-7183. For feedback or questions, do not hesitate to visit our Facebook or drop us a line by e-mail.
Gear Chart  
Ratio Chart

Gear Chart

$0.00
Ratio Chart for Mercruiser sterndrive, alpha one generation I and alpha one generation II
Upper & Lower 1.47 Ratio  
SEI-147

Upper & Lower 1.47 Ratio

$1 555.00
This is a Replacement for Mercruiser sterndrive alpha one generation I Complete, 1.47 Ratio Standard rotation & Counter rotation will fit 1973 to 1990

Upper & Lower 1.62 Ratio  
SEI-162

Upper & Lower 1.62 Ratio

$1 555.00
Sterndrive alpha one generation 1,1.62 ratio.This upper & lower unit is offered in standard & counter rotation, Oldstyle standard & counter rotation
Upper & Lower 1.81 Ratio  
SEI-181

Upper & Lower 1.81 Ratio

$1 555.00
Mercruiser alpha One gen I Complete Replacement Outdrive Unit, Replaces 1.81 ratio for Oldstyle and new style counter and standard rotation

Upper & Lower 1.94 Ratio  
SEI-194

Upper & Lower 1.94 Ratio

$1 555.00
Mercruiser sterndrive generation I Complete Out drive 1.94 Ratio. This will Replace 1967 - 1990 R/MR/Alpha One