Genuine OEM Porsche Thermostat Housing, part number 95810603220. This housing contains the thermostat and directs the flow of coolant through the engine's cooling system, regulating operating temperature. It is typically mounted to the engine block or cylinder head. Constructed from durable materials to resist heat and coolant exposure. Genuine OEM thermostat housings are manufactured to exact specifications for proper thermostat function and coolant circulation, preventing engine overheating.