Mercury / Mariner / Force Outboards

SE218 Counter RotationReplaces Most Mercury 3.0L Counter Rotation Lower UnitsDo not use for standard rotation13 Splines25 and 30 inch Shafts.If you have an 8 Spline drive shaft you will need to buy the stub shaft unitand purchase an upper driveshaft...

SE216Replaces Most Mercury 3.0L Lower Units13 Splines20, 25, and 30 inch Shafts.If you have an 8 Spline drive shaft you will need to buy the stub shaft unitand purchase an upper driveshaft from an OE dealer.20" 45-824114A 125" 45-823901A 130" 45-824115A...

The SE 206 gear case replaces most Mercury 2.0, 2.4 and2.5 liter gear cases with 4-3/4 Bullet Diameter All SEI Outboard Lower Units come with a fully transferable No Fault Warranty for 3 Years.   To read full details and possible exclusions click...

Replaces most Mercury 3&4 Cylinder 2-Stroke 1987 and newer 70-125 HPAlso replaces most 75-115 HP 4-Stroke below Serial #OT801000.This unit will not replace a 3 jaw lower unit unless you also change the shift shaft in the midsection.  All SEI...