053 103 223 B · Vent hose Audi genuine (OEM) part number 053 103 223 B, Vent hose. Fitted on (3)HOSE — pos 4 (KAT071.BIN)HOSE — pos 4 · 3A (KAT074.BIN)HOSE — pos (4) · 3A (KAT142.BIN) Open the interactive exploded diagram →