1K0 820 741 BF · Refrigerant hose Audi genuine (OEM) part number 1K0 820 741 BF, Refrigerant hose. Fitted on (2)HOSE — pos (6) · 1 (KAT412.BIN)HOSE — pos (6) · 1 (KAT638.BIN) Open the interactive exploded diagram →