4K8 121 333 D · Air guide Audi genuine (OEM) part number 4K8 121 333 D, Air guide. Fitted on (3)AIR GUIDE — pos 18 (KAT430.BIN)AIR GUIDE — pos 12 (KAT435.BIN)AIR GUIDE — pos 18 (KAT435.BIN) Open the interactive exploded diagram →