N10 285 503 · SCREW SEAT genuine (OEM) part number N10 285 503, SCREW. Fitted on (4)SCREW — pos 23 (KAT418.BIN)SCREW — pos 14 (KAT418.BIN)SCREW — pos 18 (KAT418.BIN)SCREW — pos (18) (KAT451.BIN) Open the interactive exploded diagram →