6.0 LITER. Thermostat seal. Engine Coolant Thermostat Gasket. Engine Coolant Thermostat Housing Seal. Engine Coolant Thermostat O-Ring. Engine Coolant Thermostat Seal. O-Ring. Thermostat Housing Gasket. hsng o - Ring. Housing. Water inlet. Water Neck. Included with: Thermostat, Thermostat Housing, Thermostst Housing, Water manifold, Water pump, Water pump assembly.