034 103 221 AD · Vent hose Audi genuine (OEM) part number 034 103 221 AD, Vent hose. Fitted on (3)HOSE — pos 1 · KV (KAT111.BIN)HOSE — pos 1 · KV (KAT141.BIN)HOSE — pos 1 · KV (KAT142.BIN) Open the interactive exploded diagram →