0HL 311 129 A · gear Audi genuine (OEM) part number 0HL 311 129 A, gear. Fitted on (4)GEAR — pos 3 (KAT1123.BIN)GEAR — pos (3) (KAT430.BIN)GEAR — pos (3) (KAT435.BIN)GEAR — pos 3 (KAT896.BIN) Open the interactive exploded diagram →