8D0 854 955 B · lock ring Audi genuine (OEM) part number 8D0 854 955 B, lock ring. Fitted on (3)RING — pos 13 · S4 (KAT219.BIN)RING — pos 13 (KAT224.BIN)RING — pos 13 (KAT233.BIN) Open the interactive exploded diagram →