4B9 817 021 · Roof Audi genuine (OEM) part number 4B9 817 021, Roof. Fitted on (4)ROOF — pos (6) (KAT261.BIN)ROOF — pos (6) (KAT262.BIN)ROOF — pos (6) (KAT264.BIN)ROOF — pos (6) (KAT290.BIN) Open the interactive exploded diagram →