Shop by Brand Mercury OutboardSwitch ; Tab Trim ; Thermostat ; Tube ; Tool Back Thermostat 864493 Viewer:85 OEM No.: 864493 For Mercury Outboard Engine 4.3L, 4.5L, 5.0L, 5.7L, 6.2L You May Also Be Interested In Thermostat 864493 Switch Assy 87-17009A5/17009A5 Washer, Plate 90201-15017-00 Gasket, Reed Valve Seat 13122-98100-000/13122-98101-000/13122-98110-000