Genuine Mercruiser 27-53045 1 GM Thermostat Housing Gasket
Thermostat housing gasket 530451 is for use on V6 and V8 Mercruiser stern drive and inboard engines made by General Motors. Also suits Volvo Penta 3852111 V6 and V8 models with GM based engines.
Replaces - 18-2917, 530451, 3701777
