1601-640753, 31-90016-AM, 7502HC, 815629, 8241494, 85279, 902-1057, 9021057, 9CH2057, CH2057, CO34791, NI, XL1Z8592CB. 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.