Used 1987 Mercury 9.9 hp 2 stroke twin cylinder Propeller Shaft part number 44-41370 and Bearing Carrier Retainer Assembly part number 42144A2 with casting number 42037 and clutch part number 52-43217 and clutch cross pin part number 17-30535.  Part numbers are per online manuals. Casting number is shown in attached picture. All of these parts were removed from the same lower leg assembly. This outboard motor had serial number 0A719610 and was assembled in USA. Similar models had serial number range of 0A197112 to 0D280999. Measuring Tape & Callipers are not included but only shown for dimensions. Since these parts are more than 10 years old we suggest to change gaskets and seals. To avoid injury, harm or malfunction we suggest that all our parts be installed by a certified outboard motor mechanic. We only ship to Canada & USA.