1601-640816, 31-80064-AM, 3204HC, 5281188, 815106, 8241243, 85106, 902-3023, 9023023, 9CH4023, CH4023, NI, SKC85106. Engine Coolant Thermostat Housing. Engine Coolant Water Outlet. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.