Buy 2012 Audi A6 Ring. Seal. Hose. (Rear, Upper, Lower). Radiator - Repair or Replace Typical Return, O-Ring, SUPPLY - OEM Audi Part # 4E0121666 (4E0-121-666)

A round Ring used to Seal between the Radiator Hose and it's mounting surface. At Water Pump Housing. Cooling System Bypass Line Adapter O-Ring. Engine Cooling Radiator. Lower Radiator Coolant Hose. Primary Radiator. Radiator Coolant Hose Seal. Center pipe. Connector o -. Cooling System Bypass Line Adapter O -. Coupling o -. Inlet o -. Radiator Coolant O -. Return o -. Included with: Connector Hose, Connector tube, Inlet Hose, Lower Coupling, Lower Hose, Lower Hose Part cannot be reused/reinstalled, Lower rear Hose, Upper Hose, Upper Hose Part cannot be reused/reinstalled.

Radiator Coolant Hose SealCooling System Bypass Line Adapter O-RingRadiator Coolant Hose O-Ring

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 2012 Audi A6 needs attention, contact a factory-trained Audi technician.