Application: This 855676002 THERMOSTAT 60 Degrees fits Mercury the following models and components: 15HP 0R235949 THRU 0R833819 Cat.# 90898103160 Carb 2CYL CYLINDER BLOCK 30HP 0R106999 & Up USA Cat.# 90898126006 EFI 3CYL CYLINDER BLOCK 8HP 0P325500 & Up CYLINDER BLOCK 25HP 0R051710 & Up Cat.# 90895257005 SEAPRO CYLINDER BLOCK 20HP 0R235168 THRU 0R833819 Cat.# 90898103160 Carb CYLINDER BLOCK 25HP 0R106999 & Up USA Cat.# 90898126006 EFI 3CYL CYLINDER BLOCK 25HP 0R165086 & Up USA Cat.# 90898126006 Jet EFI 3CYL CYLINDER BLOCK 15HP 0R123565 & Up Cat.# 90895256006 SEAPRO CYLINDER BLOCK 15HP 0R558208 THRU 0R833819 Cat.# 90898103160 Carb 2CYL JCI CYLINDER BLOCK 8HP 0R042475 & Up CYLINDER BLOCK 15HP 0R051685 THRU 0R123564 Cat.# 90895256005 SEAPRO CYLINDER BLOCK 10HP 0R575531 THRU 0R833819 CYLINDER BLOCK