Sierra 18-2917 Thermostat Gasket Replaces 27-530451
Sierra 18-2917 Thermostat Gasket Replaces 27-530451, Thermostat housing gasket for Mercruiser, OMC, Volvo Gasket has brass grounding rivets Replaces: GLM - 35060; Merc - 27-33918, 27-53045-1; Mallory - 9-60007; OMC - 0312797; Volvo - 835417;