Install in the reverse order of removal.
Be careful not to damage the O-ring (A). If the O-ring is damaged, replace with a new one.
Smear and cover splines (B) with molybdenum type high pressure grease.
TECHLUBE MEGAMAX - ALPHA or equivalent
Install the propeller shaft to be near runout marking (Transfer assembly 1ea, propeller shaft 1ea) each other.