The Kohler 3275527-S Engine Thermostat Assembly supports proper temperature control in compatible Kohler engines by regulating coolant flow as the engine warms up. The thermostat assembly helps maintain the engine within its intended operating temperature range by controlling when coolant circulates through the cooling system. This replacement kit is designed for compatible Kohler eng... http://wholetoolbox.com/kohler-3275527-s-engine-thermostat-assembly/3275527-S.html