MerCruiser SEI 97-102-06 97-102-03 SE106 Bearing Carrier Cover Nut Aftermarket Starters & Alternators Basically this would have been

Basically this would have been found on all alpha one models 1978 - early 1980's before they switched over to the Square / Square levers

Exhaust Housing: 379011

150hp   Force Models (and possibly others)

7L V8 350 260hp (Using 3" or 4" exhaust y-pipe)

MerCruiser SEI 97-102-06 97-102-03 SE106 Bearing Carrier Cover Nut Aftermarket Starters & Alternators Basically this would have beenPart Number(s) Included SEI 97 102 06 Bearing Carrier (OEM 818763A10) You should probably put a new seals in this (MerCruiser 26 12224 & 26 14077) SEI 97 102 03 Cover Nut (OEM 79448) SEI 98 102 42 Tab Washer (OEM 14 18323) SEI SE106 Lower Unit Parts Diagram (PDF) SEI SE106 Upper Unit Parts Diagram (PDF) General Application Compatibility These were removed from an actual Sterndrive Engineering SEI SE106 gearcase which is the replacement for MerCruiser