Boxster. Cayman. Spyder. All Required. Gasket for Engine Coolant Water Inlet. Lower Housing. O-Ring. Thermostat Housing Gasket. Engine Coolant Pipe O - Ring. Engine Coolant Thermostat Housing Gasket. Engine Coolant Water Inlet Gasket. Pipe gasket. Thermostat hsng seal. Thermostat outlt gasket. Water inlet o - ring. Water inlet tube gasket. Water pump ASSEMBLY gasket. Included with: Pipe Part cannot be reused/reinstalled, Water pump assembly.