4D1 611 931 AK · Vacuum pipe Audi genuine (OEM) part number 4D1 611 931 AK, Vacuum pipe. Fitted on (2)PRESS.PIPE — pos 4 · PR:T8X (KAT256.BIN)PRESS.PIPE — pos 4 · PR:T7S,T8X (KAT257.BIN) Open the interactive exploded diagram →