Keeps your FORD running the way it should — this APEC part restores the original function of a worn or failed Thermostat Housing APEC OE Ref XS4G 9K478 CB, built to OEM reference XS4G9K478CB rather than a generic approximation.
APEC identifies it as ATH1648, EAN: 5056667479906. Match that against OEM XS4G9K478CB or your old part before fitting, particularly if your vehicle's had any running changes across its production years.
Confirmed for selected FORD vehicles. Use the vehicle registration lookup tool if you're not certain, or browse Engine Cooling System for other options.