2.0 LITER. Thermostat outlt bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure The Engine Coolant Outlet Housing or related components. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure The Engine Coolant Thermostat to it's mounting point. Engine Coolant Inlet Flange Bolt. Engine Coolant Pipe Bolt. Engine Coolant Thermostat Housing Bolt. Engine Water Pump Bolt. Housing cover. Hsng. Inlet Flange. Outlet Pipe. Outlt. Pulley mount. Pump Assembly mount. Unit. Included with: Control Assembly, Thermostat Housing, Thermostat Unit.