

Genuine Mercruiser 17494A1 Thermostat Housing Cover
Genuine Mercruiser 863457A2 MPI Thermostat Housing
3 Point drain thermostat housing for a range of Mercruiser V6 and V8 GM based MPI models.
Includes 8M0204687 and 530451 gaskets and 3 8M0180565 .375-18 brass pipe plugs.