HVAC Heater Core. Heater Core Aluminum. Warranty Duration. WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. 2637, 2758338, 2759637, 398255, 398338, 808255, 8231335, 8231390, 8255, 90740, 93005, 94740, 98740, 9993, E9AZ18476A, F8VH18476AA, FM8384, H2MZ18476J, HC-4, HC31, HC4, YW7Z18476AA.
