Buy 2003 Audi A6 4.2L V8 M/T Quattro Base Sedan Hose. (Front, Upper, Lower). RIGHT, #1. Heater Hose Heater, HVAC, Coolant - OEM Audi Part # 9J1121629 (9J1-121-629)

Flexible Hose that is part of the engine cooling system. HVAC Heater Hose. Pipe to Coolant Distributor. and tube Assembly. Connector. HVAC Heater. Inlet. Outlet. Radiator Coolant. Return. Water.

Radiator Coolant HoseHVAC Heater Hose

Fits e-tron GT

RIGHT, #1.
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.