4K0 906 257 T · Breather line Audi genuine (OEM) part number 4K0 906 257 T, Breather line. Fitted on (3)PIPE — pos (7) (KAT538.BIN)PIPE — pos 7 (KAT538.BIN)PIPE — pos 7 (KAT538.BIN) Open the interactive exploded diagram →