4N0 121 284 BC · Air guide Audi genuine (OEM) part number 4N0 121 284 BC, Air guide. Fitted on (2)AIR GUIDE — pos 8 · PR:0K3+GP1 (KAT838.BIN)AIR GUIDE — pos 8 · PR:T2P+GP1 (KAT838.BIN) Open the interactive exploded diagram →