N90 452 003 · O-ring Porsche genuine (OEM) part number N90 452 003, O-ring. Fitted on (3)SEAL. RING — pos 46 (KAT1031.BIN)SEAL. RING — pos 51 (KAT1037.BIN)SEAL. RING — pos 8 (KAT1037.BIN) Open the interactive exploded diagram →