Radiators - 24 month. Condensers, compressors, evaporator cores, heater cores, fuel pumps, fuel tank filler necks, sending units, and refrigerant hoses - 12 months. Fuel tanks, fuel tank straps, and oil pans - three years. Fuel Tank Assemblies - Part numbers ending in "FA" 24 months. Ending in "FI" 12 months. IMPORTANT A/C COMPRESSOR WARRANTY NOTE: In order to ensure that proper warranty credit is issued if needed, the compressor installation instructions must be adhered to. All compressor defects… Read more must show proof of purchase of an Orifice Tube/Expansion Valve, Drier, and Approved A/C System Flush or a Work Order showing the purchase of these items and that the system was flushed using approved procedures.