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SE218, 1.75:1, 30'' Counter Rotation
SE218 Replaces most
Mercury 3.0L Lower Units (SN 1B504989 and below). Does not replace the Torque
Master, Torque Master 2 or the Sport Master.
13 Spline one-piece
drive shaft.
and buy an upper driveshaft from an OE dealer.
30" 45-824115A 1 (This item is no longer available from the
OE. You will need to source a used one or fix your old drive.)
The SEI 218 gear cases
are supplied with the correct water tube coupling for units with a serial
number of OG438000 and higher. If your unit has a lower serial number, you will
need to use your old water coupling or buy the correct part (SEI part number
96-116-12K).
