4D1 611 931 N · Vacuum pipe Audi genuine (OEM) part number 4D1 611 931 N, Vacuum pipe. Fitted on (2)PRESS.PIPE — pos (3) · AAH,AEJ (KAT152.BIN)PRESS.PIPE — pos (3) · AAH,AEJ (KAT153.BIN) Open the interactive exploded diagram →