HT 398359C. HVAC Heater Core. Heater Core. Warranty Duration. 2650, 398359, 702650, 80398359, 8231352, 8330, 90764, 94764, 98764, GM8276, HC0252, HC0252-11B1. Part Numbers. Universal Air Conditioner. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.
