06M 121 444 B · Coolant hose Audi genuine (OEM) part number 06M 121 444 B, Coolant hose. Fitted on (3)HOSE — pos 37 (KAT429.BIN)HOSE — pos 37 (KAT838.BIN)HOSE — pos 37 (KAT859.BIN) Open the interactive exploded diagram →