057 121 061 B · Coolant hose Audi genuine (OEM) part number 057 121 061 B, Coolant hose. Fitted on (3)HOSE — pos 26 (KAT291.BIN)HOSE — pos 26 (KAT493.BIN)HOSE — pos 26 (KAT635.BIN) Open the interactive exploded diagram →