999 084 621 09 · Locknut Porsche genuine (OEM) part number 999 084 621 09, Locknut. Fitted on (3)Locknut — pos 12 (KAT1013.BIN)Locknut — pos 19A (KAT1017.BIN)Locknut — pos 2 (KAT1017.BIN) Open the interactive exploded diagram →