4E0 121 130 S · Coolant hose Audi genuine (OEM) part number 4E0 121 130 S, Coolant hose. Fitted on (3)HOSE — pos 25 (KAT291.BIN)HOSE — pos 28 (KAT291.BIN)HOSE — pos 28 (KAT635.BIN) Open the interactive exploded diagram →