GetBoatGear.com header logo
GetBoatGear.com Home page Boating Products Boating Product News Self-Help for boat repair boat repair assistance and boat information About GetBoatGear.com Links to boating related websites Contact GetBoatGear.com

Upper Unit Boat Outdrives 1991 and newer

Upper Unit Outdrives for models from 1991 to today, replaces Alpha One Gen 2

New, Not Rebuilt! Sterndrive Engineering manufactures and markets new replacement drives with a 3-year Fault Free Manufacturer's Warranty. The SE-116 Upper Unit replaces most Mercruiser models made from 1990 to today. Comes with a 9-9/16 new style input yoke. Does not include SE-116 Complete Install Kit or Anode Kit, which can be ordered separately.

1.47 or 1.50 Ratio, Replaces Alpha One Gen 2 (1991 and newer model years)

90-116-01D - $795.00
350 cubic inch, 5.7 liter, 350 MAG, 5.0 EFI engines. Comes with a 9-9/16 new style input yoke.

1.62 or 1.65 Ratio, Replaces Alpha One Gen 2 (1991 and newer model years)

90-116-01C - $795.00
Carbureted 305 cubic inch, 5.0 liter carb, 4.3 liter EFI and Inline 6 engines. Comes with a 9-9/16 new style input yoke.

1.81 or 1.84 Ratio, Replaces Alpha One Gen 2 (1991 and newer model years)

90-116-01B - $795.00
4.3 liter V-6 engines with carb, 3.7 liter engines, and 470, 485, & 488 4-cylinder engines. Comes with a 9-9/16 new style input yoke.

1.94 or 1.98 Ratio, Replaces Alpha One Gen 2 (1991 and newer model years)

90-116-01A - $795.00
120, 140, 3.0 liter engines. Comes with a 9-9/16 new style input yoke.

 

 

To check for the proper gear ratio for your sterndrive, please reference table below:

Boat Engine Size Sterndrive Gear Ratio
350 cubic inch, 5.7 liter, 350 MAG, 5.0 EFI engines 1.47 ratio, 1.50 ratio
Carbureted 305 cubic inch, 5.0 liter carb, 4.3 liter EFI
and Inline 6 engines		 1.62 ratio, 1.65 ratio
4.3 liter V-6 engines with carb 1.81 ratio, 1.84 ratio
3.7 liter and 470, 485 and 488 4-cylinder engines 1.81 ratio, 1.84 ratio
120, 140, 3.0 liter engines 1.94 ratio, 1.98 ratio

Please note that Mercruiser changed their gear ratios somewhat in the mid-1980s (for example a V-8 gear ratio used to be 1.50, but Mercruiser now uses 1.47 ratio.) Select the outdrive gear ratio based on your engine size.

Phone photo Call us toll-free at (866) 969-0441 anytime to place an order or if you have questions or need further information. We welcome the opportunity to help find the correct upper unit outdrive or any Sterndrive Engineering Marine boating part you may need.


Shipping prices shown on www.GetBoatGear.com are for shipping within the 48 Continental United States.  For international shipping quotes please contact us at shipping@getboatgear.com.

Footer Phone Receiver ImageCall us toll-free at 866-969-0441 to place an order or for assistance at any time. Footer Phone ImageGetBoatGear.com is an authorized dealer for Sterndrive Engineering Marine products. Boating items we currently offer include complete, lower, and upper unit outdrives, outdrive install kits, transom repair parts, shift cables, anode kits, trim cylinders, trim cylinder hoses, and boat propellers. We welcome the opportunity to help find the parts and items you need for your boat.