Sierra 18-3653 Thermostat Kit-OMC Sterndrives

Fits 4;6 and 8 Cylinder Engines-Many Years. Contains: ( 1 ) 18-3554 Thermostat; replaces O.E. # 383307 ( 1 ) 18-2858 Manifold Gasket; replaces O.E.# 314809 ( 1 ) 18-2917 Thermostat Gasket; replaces O.E.# 3701777(GM) ( 1 ) 18-2947 Thermostat Gasket; replaces O.E.# 310913