1K0 121 073 AF · Coolant hose Audi genuine (OEM) part number 1K0 121 073 AF, Coolant hose. Fitted on (3)HOSE — pos 35 (KAT412.BIN)HOSE — pos 35 (KAT609.BIN)HOSE — pos 35 (KAT638.BIN) Open the interactive exploded diagram →