Buy 2004 Audi S4 Radiator Air Seal (Lower). 4.2 LITER, MAIN. 4.2 LITER, MAIN, A4/S4. 4.2 LITER, MAIN - OEM Audi Part # 4B0121221F (4B0-121-221-F)

Seal. Radiator. Strip.
Seal used on the Radiator. Air. ING. Outer. Side.

Radiator Air Seal

Fits RS4, S4

4.2 LITER, MAIN. 4.2 LITER, MAIN, A4/S4. 4.2 LITER, MAIN, RS4.
Radiator - Repair or Replace
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 2004 Audi S4 needs attention, contact a factory-trained Audi technician.