Photo 1 of QuickMariner Boating Thermostat Repair Kit for Vol-vo Penta 4.3 5.0 5.7 L V6 & V8 Marine Sterndrive Inboard Engine Replace 3587597 3852111 3852071 Sierra 18-3618 18-3615

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Photo 1 of QuickMariner Boating Thermostat Repair Kit for Vol-vo Penta 4.3 5.0 5.7 L V6 & V8 Marine Sterndrive Inboard Engine Replace 3587597 3852111 3852071 Sierra 18-3618 18-3615Photo 2 of QuickMariner Boating Thermostat Repair Kit for Vol-vo Penta 4.3 5.0 5.7 L V6 & V8 Marine Sterndrive Inboard Engine Replace 3587597 3852111 3852071 Sierra 18-3618 18-3615