Thermostat, 143 degrees.  Used on wide range of Mercury outboards from 7.5 - 225 HP from 1977 - present.  Also prevalently used on Mariner outboards.  See model guide for specific applications.

Carburetor Gasket Kit for many V-6 models 1976 - 1988.

Carburetor Rebuild Kit for many V-6 models 1976 - 1988.