4G1 819 350 AH · Coolant hose Audi genuine (OEM) part number 4G1 819 350 AH, Coolant hose. Fitted on (3)HOSE — pos 10 (KAT711.BIN)HOSE — pos 10 (KAT717.BIN)HOSE — pos 10 (KAT738.BIN) Open the interactive exploded diagram →