WHT 004 740 · O-ring Audi genuine (OEM) part number WHT 004 740, O-ring. Fitted on (3)SEAL. RING — pos 9 (KAT642.BIN)SEAL. RING — pos 9 (KAT646.BIN)SEAL. RING — pos 9 (KAT708.BIN) Open the interactive exploded diagram →