4E0 121 445 N · Coolant hose Audi genuine (OEM) part number 4E0 121 445 N, Coolant hose. Fitted on (3)HOSE — pos 35 (KAT291.BIN)HOSE — pos 35 (KAT291.BIN)HOSE — pos 35 (KAT635.BIN) Open the interactive exploded diagram →