4D0 201 179 E · Vent hose Audi genuine (OEM) part number 4D0 201 179 E, Vent hose. Fitted on (2)HOSE — pos (26) · AFB,AKN (KAT152.BIN)HOSE — pos (26) · AFB,AKN (KAT153.BIN) Open the interactive exploded diagram →