4E0 121 449 Q · Coolant hose Audi genuine (OEM) part number 4E0 121 449 Q, Coolant hose. Fitted on (3)HOSE — pos 31 (KAT291.BIN)HOSE — pos 31 (KAT291.BIN)HOSE — pos 31 (KAT291.BIN) Open the interactive exploded diagram →