Used lower unit – outboard engine transmission
TOHATSU
Long shaft – 50 cm above the water pump
18HP 4-stroke 3V9 MFS18B MFS18B2
11 splines for the crankshaft
14 splines for the propeller shaft
From a 2003 18HP 4-stroke 3V9 MFS18B2
Part checked, cleaned, pressure-tested for sealing, and drained
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