N90 638 101 · Torx screw Porsche genuine (OEM) part number N90 638 101, Torx screw. Fitted on (3)Torx screw — pos 13 (KAT1024.BIN)Screw — pos 6 (KAT1024.BIN)Screw — pos 5 (KAT1031.BIN) Open the interactive exploded diagram →