Buy 2003 Audi A6 Tube. (Lower). 2.0 LITER PLUG-IN HYBRID, HEATER HOSES. Heater Hose - Repair or Heater, Hose, HOSES - OEM Audi Part # 80A819334AD (80A-819-334-AD)

Heater. HVAC Heater Hose. Pipe that is part of the engine cooling system. Breather. Center Hose. Connector. Coupling. Engine Coolant Pipe. Feed line. HVAC Heater Hose. Return Hose. Spacer. Water inlet.

Engine Coolant PipeHVAC Heater Hose

Fits Q5, Q5 PHEV, Q5 Sportback

2.0 LITER PLUG-IN HYBRID, HEATER HOSES.
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.