431 819 823 · knob Audi genuine (OEM) part number 431 819 823, knob. Fitted on (4)KNOB — pos 32A (KAT024.BIN)KNOB — pos 46A (KAT024.BIN)KNOB — pos 50 (KAT025.BIN)KNOB — pos 45 (KAT025.BIN) Open the interactive exploded diagram →