N90 231 405 · SCREW SEAT genuine (OEM) part number N90 231 405, SCREW. Fitted on (4)SCREW — pos (3) (KAT254.BIN)SCREW — pos 3 (KAT401.BIN)SCREW — pos 3 (KAT468.BIN)SCREW — pos 3 (KAT469.BIN) Open the interactive exploded diagram →