057 121 497 M · Coolant hose Audi genuine (OEM) part number 057 121 497 M, Coolant hose. Fitted on (3)HOSE — pos 16 (KAT429.BIN)HOSE — pos 16 (KAT838.BIN)HOSE — pos (16) (KAT859.BIN) Open the interactive exploded diagram →