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Add to CartSterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.94 / 2.40 Ratios
For Mercruiser Alpha One Gen II Sterndrives 1991 - Present.
Click to Download Sterndrive Engineering SE116 Stern Drive Assembly Instructions
Item is subject to a 20% restocking fee (Boat Covers, Bimini Tops, Outdrives, Drop Ship Items and Special Order Parts)!
**Year, Serial Number, and Horsepower are required to order. Please contact us with this information after you place your order otherwise processing will be delayed.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Other Details
Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.94 Ratio 1.94 ratio also replaces 1.98 ratio Comes with a 9-9/16" [new style] input yoke. 3 Year Manufacturer's...
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Sterndrive Mercruiser Alpha One Replacement Upper Unit 1.94 Ratio with Short Yoke Replaces Mercruiser 1972-1982 2.5 and 3.0 Liter inline 4 Upper unit 1.94 ratio also replaces the 1.98...
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Mercruiser 43-853642A-2 Upper Gear Set - 1.94/2.4 Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) and Vazer drive 20-24 Teeth 1.94...
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SternDrive Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.81 Ratio 1.81 Ratio also replaces 1.84 ratio For Alpha One Gen I Sterndrives (1972-1990) Comes with a 9-9/16" [new style]...
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Mercruiser Alpha One Replacement Upper Unit 1.47 1.47 Ratio also replaces 1.5 ratio Comes with a 9-9/16" [new style] input yoke. For alpha One Gen I Sterndrives (1972-1990) For use up to 300...
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Sterndrive Replacement Upper Unit for Mercruiser R, MR, Alpha One 1.62 Ratio 1.62 Ratio also replaces 1.65 ratio Comes with a 9-9/16" [new style] input yoke. For Alpha One Gen I Sterndrives...
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