OMC 312776 312775 Alternator Bracket Brace 5.7L 5.0L GM 305 350 1973-1976 Exhaust Boots ---- Found on "470" models

---- Found on "470" models 1985-1989 with downward facing fuel filter

Always check your impeller first as that's likely your real issue unless your water pump is rotted out

From a 1963 Mercury 350 4cyl Outboard

This item may work on these other  models please do your research or ask for help

and you can swap out the top plate to make it the same

OMC 312776 312775 Alternator Bracket Brace 5.7L 5.0L GM 305 350 1973-1976 Exhaust Boots ---- Found on "470" modelsPart Number(s) Included OMC 312776 0312776 Alternator Brace OMC 312775 0312775 Alternator Bracket General Application Compatibility OMC 5. 0L 305 & 5. 7L 350 V8 225hp 245hp applications 1973 1976 Other Details Freshwater Used Parts Overall Good Condition! Purchase with confidence! 1973 1974 1975 1976