N90 774 501 · PIPE SEAT genuine (OEM) part number N90 774 501, PIPE. Fitted on (4)PIPE — pos (1) (KAT130.BIN)PIPE — pos (1) (KAT134.BIN)PIPE — pos (1) (KAT242.BIN)PIPE — pos (1) (KAT490.BIN) Open the interactive exploded diagram →