Genuine OEM Audi Heater Coolant Hose, part number 4N0819374B. This hose is designed to carry coolant for the vehicle's heating and air conditioning system, facilitating efficient cabin climate control. It is positioned within the coolant circuit that supplies the heater core. Weighing 0.0144 kg and measuring approximately 14.5 cm in length, it is engineered for specific routing and thermal demands. Choosing a genuine OEM hose ensures the correct material composition and precise routing geometry, preventing leaks and maintaining system integrity under thermal stress.

Catalogue entry: HOSE.