1K0 122 157 EF · Coolant hose Audi genuine (OEM) part number 1K0 122 157 EF, Coolant hose. Fitted on (3)HOSE — pos 25 (KAT412.BIN)HOSE — pos 25 (KAT638.BIN)HOSE — pos 25 (KAT646.BIN) Open the interactive exploded diagram →