Buy 2003 Audi A6 HVAC Heater Hose. Radiator Coolant Hose. 3.0 LITER, MAIN, #6. MAIN, #6. Heater Hose MAIN, Make, LITER, Repair - OEM Audi Part # 4K0819374Q (4K0-819-374-Q)

Auxiliary Water Pump to "T" Connector. Flexible Hose that is part of the engine Cooling system. HVAC Heater Hose.

Radiator Coolant HoseHVAC Heater Hose

Fits A6, A6 allroad, A7

3.0 LITER, MAIN, #6. MAIN, #6.
Heater Hose - Repair or Replace
A heater hose transfers heat from your engine’s cooling system to your vehicle’s heater. If the hose is leaking, ruptured, or appears to be on the verge of failure, bring your 2003 Audi A6 to our Audi service department for repair.