SEI Mercury Outboard Replacement Lower Unit Gearcase
Grab your engine serial number and get in touch with us here at MarineEngine.com. We're happy to help order the correct replacement unit to get you back on the water.
SE205 (Replaces Most 3 & 4 Cylinder Mercury Outboards)
SE206 (Replaces most Mercury 2.0L, 2.4L and 2.5L engines of various HP ratings)
SE216 (Replaces Most Mercury 3.0L engines of various HP ratings)
SE218 (Replaces Most Mercury 3.0L Counter Rotation Engines of various HP ratings)
