Johnson Evinrude RH 20" Shaft O-Type Gear Case 91 UP Sterndrive
Brand: Sterndrive
Color: All Lower units come with BLACK PRIMER NOW
Condition: New
Propeller Rotation: RIGHT HAND
Manufacturer PN: 90-306B-60-20C-91-05
NEW aftermarket LOWER UNIT. Design to fit MOST BUT MAYBE NOT ALL engine V6 from 150-175 HP, years 1991 and UP.
INCLUDES: Lower unit, upper drive shaft and water pump.
IMPORTANT NOTE: PLEASE READ:
This lower unit includes the upper driveshaft and the water pump, but they are NOT INSTALLED.
Once you receive the box with the parts, any mechanic can install Upper driveshaft water pump for you.
You can also do it yourself with videos.
Just clip in the driveshaft, install the water pump, fill it with oil and install your old shifter rod.
Lower unit does not include shift rod. You will use yours
GENERAL INFORMATION
20" driveshaft for 20" mid sections.
15 spline propeller shaft for 15 spline propellers.
Designed for V6 engines 4-3/4 diameter in the bullet For propeller with diameter 14" and UP
You will need to use a 1991 or newer prop thrust washer. You can use your old one whne installing the propeller.
IMPORTANT DIMENSSIONS for you to compare to your lower unit:
Drive shaft measurements: From top of lower unit housing (same as the bottom of water pump) to top of drive shaft 22 1/4" (90 degree engines) shaft 21 1/4" (60 degree engines). If your measurements ends on 3/4 or 7/8 this lower unit do not fit, as yours will be the old style pre 1991-1992. We have those as well.
Propeller shaft with 15 splines. Propeller bullet 4 3/4 external diameter.
Shifter rod: you use your old one.