Seal used on the Radiator.
PACKING LOWER Radiator Air Seal
Fits Forester, Impreza, STI, WRX
Radiator
Typical symptoms for a failed radiator include both an overheating engine and a coolant leak. But some radiator failures can also result in burned or dark transmission fluid. If the cooling system in your Subaru needs attention, contact a factory-trained Subaru technician.