Sierra 18-3644 Thermostat Kit

160 Degree Kit for late model Mercruisers Contains:•(1) 18-3649 Thermostat 160 Degree - replaces O.E.# 807252T2•(1) 18-2553 Thermostat Cover Gasket - replaces O.E.# 27-47510•(1) 18-2917 Thermostat Cover Gasket - replaces O.E.# 27-53045-1