999 701 481 40 · O-ring Porsche genuine (OEM) part number 999 701 481 40, O-ring. Fitted on (3)O-ring — pos 14 (KAT1003.BIN)O ring — pos 14 (KAT1003.BIN)O ring — pos 12 (KAT1006.BIN) Open the interactive exploded diagram →