078 103 221 AH · Vent hose Audi genuine (OEM) part number 078 103 221 AH, Vent hose. Fitted on (3)HOSE — pos 22 (KAT249.BIN)HOSE — pos 54A (KAT261.BIN)HOSE — pos 54A (KAT262.BIN) Open the interactive exploded diagram →