Shop All Sterndrive Engineering
Total Price:
Add to CartSterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.47 Ratio
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
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...
Choose Options
Sterndrive Engineering Mercruiser Gen II Replacement Upper Unit 1.81 Ratio Replacement Upper Unit for Mercruiser Alpha One Gen II Sterndrives 1991- Current. SE116 1.81 Ratio replaces the 1...
Choose Options
Sterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.94 / 2.40 Ratios For Mercruiser Alpha One Gen II Sterndrives 1991 - Present. SE116 1.94 ratio also replaces the 1...
Choose Options
Sterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.62 / 2.0 Ratio Replacement Upper Unit for Mercruiser Alpha One Gen II Sterndrives 1991- Current. SE116 1.62 Ratio...
Choose Options
MerCruiser 5-5111200TP Alpha One Gen II 1.47 Counter Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen II (1998 and up) outdrives with a 1.47 gear ratio, 0L100040 & Up...
Add to Cart
Mercury-MerCruiser 5-5121200TP Alpha One Gen II 1.47 Standard Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen II (1998 & Up) outdrives with a 1.47 gear ratio, 0L100040...
Add to Cart
Mercruiser 43-853641A-2 Upper Gear Set - 1.47 Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) 22-20 Teeth 1.47 Ratio Special...
Add to Cart
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]...
Choose Options
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...
Choose Options